"Mitosis In Onion Root Tip Cells" Essays and Research Papers

Mitosis In Onion Root Tip Cells

USE OF ONION ROOT TIPS FOR MITOTIC DIVISION OBSERVATIONS Introduction The zone of cell division on the onion root tip is a great place to observe mitotic cell divisions. Through the observation and comparison of different regions of the root tip, the duration of mitotic stages and mitotic indexes are determined for the various divisions of the root tip. Methods Each group used a compound microscope to analyze the different sections of the onion root tip. The root tip was visually...

Cell cycle, Cell division, Cell nucleus 781  Words | 5  Pages

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Cell Biology Meiosis and Mitosis

Cell Biology (CP8121) Experiment 2: Observing Mitosis and Meiosis on cell specimens (Formal report) Name: Wong Chung An Class: DMLS/FT/1B/02 Admin number: P1138687 Summary This experiment aims to observe mitosis and meiosis on cell specimens. It involves the modelling of the stages of meiosis and also the staining procedures to identify mitosis in onion root tip. There are two parts to the procedure of the experiment whereby the first is staining and observing mitosis in onion root tips...

Cell, Cell cycle, Cell division 1451  Words | 6  Pages

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Using Garlic Root Tips to Observe Mitosis

Mitosis is a cellular process that replicates chromosomes and produces two identical nuclei in preparation for cell division, from the original cell two cells are derived, each of which possesses the same genetic material. Mitosis has five phases: interphase, prophase, metaphase, anaphase and telophase. Interphase The DNA duplicates during interphase to prepare for mitosis. Chromosomes are not clearly discerned in the nucleus. Prophase Chromatin in the nucleus begins to condense and becomes visible...

Cell, Cell cycle, Cell nucleus 1042  Words | 4  Pages

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Cell Cycle And Mitosis LAB

 Mitosis Under Microscope Lab Report A. The purpose of the investigation is to determine the time an onion cell spends in each part of the cell cycle. B. The significance of this investigation is to help us understand and know how long cells are undergoing mitosis. My personal interest is to know the phases of mitosis in cells in order to someday help find cures for cancer. C. The cell cycle is a chronological set of events, culminating in cell growth and division into two daughter cells. Some...

Cell cycle, Cell nucleus, Centrosome 529  Words | 4  Pages

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Mitosis Lab

: Observing Mitosis – Onion Root Tip and Whitefish Blastula  V. Observations: ​ 175 cells              1. What percentage of the cells in the field of view is going through mitosis? 10%     Relative Duration of Each Phase of Mitosis – Onion Root Tip  Phase of Mitosis  Count  Percentage  Time (min.)  Prophase  3    14%  11    Metaphase  2    9%   7   Anaphase  5   23%   19   Telophase  12   54%   43  Total   22   100%   80     Relative Duration of Each Phase of Mitosis – Whitefish Blastula ...

1, Cell cycle, Harshad number 418  Words | 2  Pages

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 Mitosis Lab Mitosis in Onion Root Tips Make a sketch of a representative cell in each of the four stages of mitosis in the space provided below. Prophase Metaphase Anaphase Telophase Can you distinguish any cells?  Yes, you can identify cells that are undergoing development. In prophase, the chromosomes make and x shape. In metaphase, the chromosomes are moved to the middle of the cell. In anaphase, the chromosomes look like they are being pulled apart. And in telophase, the cell starts...

Cell, Cell cycle, Cell division 350  Words | 3  Pages

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Observing Mitosis and Meiosis on Cell Specimens

Observing Mitosis and Meiosis on Cell Specimens Name: Low Celine Tables of Content…………………………………………………………………………….ii List of Illustrations…………………………………………………………………………… iii Synopsis………………………………………………………………………………………. iv 1. Objectives of Experiment………………………………………………………………… 1 2. Introduction……………………………………………………………………………….1 3. Theory…………………………………………………………………………………….. 2 4. Procedures………………………………………………………………………………... 3 5.1 Preparation of Onion Root Tip…………………………………………………………...

Cell cycle, Chromosome, Eukaryote 1967  Words | 6  Pages

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Cell Cycle and Dividing Cells Number

Science 9-Biology Observing Cell Division Lab Purpose: To use the microscope to observe and sketch plant cells and animal cells in various stages of the cell cycle. Equipment and Materials: Compound Microscope Laptops Prepared Slide of Onion (Allium) Root Tips Prepared Slide of Whitefish Mitosis BC Science 9 Text pg. 162-163 Part 1-Plant Cells Procedure: 1. Take a prepared slide of an onion tip root and observe it under low power...

Binary fission, Cell, Cell cycle 645  Words | 5  Pages

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Meiosis and Mitosis Lab

AP LAB # 3: MITOSIS AND MEIOSIS Website to go for quizzes and activities: Print out the quizzes for mitosis and meiosis http://www.phschool.com/science/biology_place/labbench/ OVERVIEW Exercise 3A is a study of mitosis. You will simulate the stages of mitosis by using chromosome models.You will use prepared slides of onion root tips to study plant mitosis and to calculate the relative duration of the phases of mitosis in the meristem of root tissue. Prepared slides of the whitefish blastula...

Cell, Cell cycle, Chromosome 990  Words | 4  Pages

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Mitosis lab

Title- Mitosis Abstract –For this lab there is no experiment to be done only questions to be answered. In this experiment we will categorize and count the cells to compute the mitotic index of the total root area. Introduction – The purpose of this experiment is to answer questions associated with the onion root tip photos that are pictured in the lab. The questions for this lab will be drawn from the discussion and review section at the beginning of the mitosis lab. Once that section has been...

Cell, Cell cycle, Cell division 1028  Words | 4  Pages

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Lab 8, Mitosis and Meiosis

Shawn Lab 8 Title: Mitosis and Meiosis Exercise 1: Mitosis in Animal and Plant Cells Questions: A.) What is the purpose of mitosis? The purpose of mitosis is to create or produce more cells for a living organism. Mitosis occurs when genetic substance in the nucleus divides or separates in order to create more cells. Cytokinesis normally occurs next and the single cell develops into two separate cells. This same process continues to occur over and over creating more cells for an organism replacing...

Cell cycle, Cell division, Cell nucleus 886  Words | 8  Pages

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MItosis 1

1WW Lab Report for Mitosis (pages 182 – 187) Instructions 1. Carefully study the information about the phases associated with mitosis in the Discussion and Review section of your lab manual (pages 182- 187). 2. Closely examine the six photos in this Lab Report. These photos represent cells from the apical meristem of an onion root in various stages of mitosis. 3. Record all answers on this Lab Report. Upload this completed document into the Wk6 Lab Report Dropbox. Onion root tip photos at 600X and...

Cell, Cell cycle, Cell nucleus 530  Words | 4  Pages

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Synopsis for Cell Division Report

1 | | | 1. Introduction | 2 | 1.1 Mitosis | 2 - 3 | 1.2 Meiosis | 4 | | | 2. Theory | 5 | 2.1 Mitosis | 6 | 2.2 Meiosis | ...

Cell, Cell cycle, Cell wall 487  Words | 4  Pages

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Garlic Root Tip - Miosis

Garlic Root Tip Mitosis is the process of cell division; it is the process by which a eukaryotic cell separates the chromosomes in its cell nucleus into two identical sets in two nuclei. It is generally followed immediately by cytokinesis, which divides the nuclei, cytoplasm, organelles and cell membrane into two cells containing roughly equal shares of these cellular components. Mitosis and cytokinesis together define the mitotic phase of the cell cycle—the division of the mother cell into two...

Cell, Cell cycle, Cell division 1721  Words | 7  Pages

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Mitosis Write-Up

Mitosis: (onion roots) Root cells are good for observing mitosis; this is because they're in the tip of the root which is an area of the plant that grows quickly. This results in more cells going through mitosis all at once, also allowing us to examine the different stages of mitosis. Stages: 1. Interphase: DNA replicates, but has not formed the condensed structure. They remain as loosely coiled chromatin. The nucleus is still intact. 2. Prophase: The DNA molecules progressively shorten...

Cell cycle, Cell nucleus, Cell wall 899  Words | 4  Pages

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Root Tip

Why is the root tip used? - This is the region of active cell division by mitosis Why is hydrochloric acid used? - Breakdown the pectins in the middle lamella that hold the cells together. Helps produce a preparation that is one cell thick. Why is the stain used? -makes chromosomes more visible why do we press down on cover slip? - Forms a thin layer of cells with no overlapping cells present. Why do we heat? -Helps intensify the stain. Systematic errors - Errors in calibration of measuring...

Bacteria, Eukaryote, Hydrogen peroxide 327  Words | 3  Pages

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Cell Division

October 2014 Cell Division Mitosis Abstract Mitosis and Meiosis: Cells can be divided in unicellular organisms or in multi-cellular organisms. DNA controls the cell division. Bacteria reproduce by a process called binary fission. Bacteria have one chromosome that's attached to the cell membrane. The chromosome replicates and the two copies separate as the cell grows. Over a period of time this one cell makes two cells. Eukaryotes do the process of mitosis. In mitosis, each daughter cell gets about...

Cell, Cell cycle, Chromosome 1622  Words | 7  Pages

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Mitosis and Garlic Root Tips

 Mitosis in Plant and Animal Cells OBJECTIVES Observe and identify cells undergoing the process of mitosis. Compare the stages of mitosis in plant cells with these stages in animal cells. MATERIALS • compound light microscope • prepared slides (longitudinal sections of onion or garlic root tips) • prepared slides (whitefish blastula or other animal tissue) Procedure PART 1: MITOSIS IN PLANT CELLS 1. Observe a prepared slide of a longitudinal section of onion or garlic root tips. Use...

Archaea, Cell cycle, Chromatid 287  Words | 2  Pages

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Mitosis and Meiosis Practical Report

AND REPLICATION WITHIN MITOSIS AND MEIOSIS ABSTRACT The processes of mitosis and meiosis were examined along with their frequency as well as each of the different steps and their time duration. It was found that the interphase stage of both mitosis and meiosis was the longest of all the stages as this was where most of the ‘action’ was happening such as cell growth and duplication of all cell organelles and chromosome replication also. It was also found that mitosis and meiosis have similar...

Cell, Cell cycle, Centromere 1451  Words | 5  Pages

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The Amount of Time a Cell Spends in Each Stage of Mitosis

time that was spent by a cell in each of the phases of mitosis. Also, it is used to be able to compare the process of mitosis between plant and animal cells. Background: • Mitosis: This is the process by which a cell duplicates the chromosomes in its cell nucleus in order to generate two identical daughter nuclei. • Interphase: This particular stage is divided into three phases, G1 (first gap), S (synthesis), and G2 (second gap). During all three phases, the cell grows by producing proteins...

Cell, Cell cycle, Cell nucleus 1242  Words | 4  Pages

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Observing Mitosis Practical 3 Tutor: Andy Hawkins Biology lab report By Nazgul Sakenova Group I Lab partner: Elnaz Kembaeva 24.10.2013 Page 2 Introduction All cells come from existing parent cells. There are two types of cellular division: mitosis and meiosis. In this experiment, mitosis will be studied. It is easily investigated in root tips (apical meristem) of garlic, where cells growth quickly and which are used in this lab. The cell undergo interphase before mitosis, where...

Cell, Cell cycle, Cell nucleus 972  Words | 5  Pages

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Biology Mitosis Lab

AP BIOLOGY- Mitosis and Meiosis Cell Division Lab Part 1-MITOSIS summary: In this experiment first the stages of an onion cell undergoing mitosis are going to be observed and every stage is going to be detected and drawn on paper. A brief description to what is going on should be attached to the pictures. This is important to understand the basics of cell division which is necessary growth,repair...

Cell, Cell cycle, Chromosome 1242  Words | 5  Pages

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Mitosis and Cell

increase in size as their cells grow and divide. Almost all cells complete a full cell cycle that includes interphase and cell division. In interphase, cells serve their specialized functions, grow, and copy their genetic material. Mitosis is the first stage of cell division, in which the copied chromosomes are separated into two new nuclei. Then in cytokinesis the cell divides into two daughter cells. If no mutations or errors occur, the genetic material in each daughter cell is identical to what was...

Binary fission, Cell cycle, Cell division 472  Words | 2  Pages

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MITOSIS What is Mitosis? There are various structures within the cell, but many are too difficult to see. For example, within the nucleus lie the chromosomes. These are important for heredity and reproduction. When a cell splits and becomes two, certain processes occur within the nucleus first. One of these processes involves the splitting of the chromosomes. This process is called Mitosis and there are four distinct stages. Mitosis takes place in Regular Body Cells or Somatic Cell. It keeps...

Binary fission, Cell, Cell cycle 761  Words | 3  Pages

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mitosis experiment

Practical 1: Observation of mitosis in garlic root tips Introduction The practical will involve the preparation, observation, and classification, of the various stages of mitosis by observing garlic root tips using a microscope. The study comes under the heading of cytogenetics which is the visual characterisation of genetic material and the study of how that material reacts during the life of the cell. Strictly speaking, mitosis is the division of the nucleus into two daughter nuclei that are...

Cell, Cell cycle, Cell nucleus 1075  Words | 4  Pages

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Observation of Mitosis

Observation of Mitosis Introduction: Reproduction is the biological process by which new individual organisms are produced. There are two types of reproduction, which are; asexual and sexual reproduction. Asexual reproduction is creation of offspring whose genes all come from one parent. Sexual reproduction is creation of offspring by fusion of male gametes (sperm) and female gametes (eggs) to form zygotes. Asexual reproduction involves a type of cell division known as mitosis. Mitosis is the scientific...

Cell cycle, Chromosome, Eukaryote 1229  Words | 4  Pages

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Biology Write Up If Mitosis

of mitosis in a garlic root tip. Apparatus: Garlic roots 5 Molar hydrochloric acid Toluidine blue stain 2 watch glasses or small sample tubes Hollow glass blocks Pipettes Microscope slides and cover slips Pair of fine forceps Filter paper Microscope with magnifications of x100 and x400 Stop watch Method: 1. Firstly cut out about 1cm from several root tips of growing garlic roots. Choose root tips which are white and have rounded edges, not ones that are turning brown 2. Place the root tips in...

Cell nucleus, Chromosome, Hydrochloric acid 736  Words | 3  Pages

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Anion Root Tip

experiment, onion root tips are choosen to be observed under microscope. It is because the chromosomes are larger than most of the others plants. The root tips of onion are picked to observed as the root tips are the region where the cell division occurs mostly. The cells at the tips of the onion are actively dividing, therefore they are always in stages of mitosis. The tips on the slide are squashed with the aim to show a better and clearer observation of the chromosomes of individual cells. Adding...

Cell, Cell cycle, Cell nucleus 587  Words | 2  Pages

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Observing Mitosis

Lab Report №3 Title:Observing Mitosis By Yerkebulan Yesbolatov Biology course, tutorial group I October 18, 2012 Lab partner: Azhar Zhaisanova Introduction Experiment is intend to show mitotic stage of cell cycle, phases of mitotic stage, to define predominance in the number of each phases over the others, if it is possible. Objectivity of lab is to observe the different phases...

Cell cycle, Cell nucleus, Centrosome 1220  Words | 5  Pages

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Compare the Size of Cheek Cell and Onion Cell

the size of cheek cell and onion cell DCP: Introduction: In this experiment, Onion cells (Allium cepa) Cheek cells (Homo sapiens) were measured and compared. The aim of this experiment is to find out how both cells differ by comparing their size. Onion cells (Allium cepa) is plant cell and Cheek cells (Homo sapiens) is an animal cell. Hypothesis: The size of an animal cell (Homo sapiens) should be smaller than a plant cell (Allium cepa). Because a plant cell has cell wall which is to maintain...

Cell, Cell wall, Eukaryote 793  Words | 4  Pages

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summary of mitosis

@ Mitosis begins Cell moves from interphase into mitosis-----DNA and chromosome (have been replicated and ready to separate) 细胞相间移动,DNA和chromosome已经复制,准备分离 Biologists often refer to the process in separate subphases because of significant events that occur. 一般当成单独的子阶段,因为重要 @The phases of mitosis 1. Prophase (before phase) Chromosomes become visible as thread-like form when using light microscope. Each chromosome is duplicated and consists of two sister chromatids, join together by a centromere...

Cell, Cell cycle, Cell nucleus 807  Words | 3  Pages

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Mitosis on plant cells

Virchow, that new cells can only arise from previously existing cells. This is done in two ways: mitosis and meiosis. Somatic (body) cells divide exclusively by mitosis followed by cytokinesis, while germ cells produce gametes by the process of meiosis. Plant cells grow by enlargement, essentially by taking up water. When they reach a certain size, they divide, forming two identical daughter cells. The various parts of the cell are divided in such a way that the new daughter cell is identical to the...

Cell, Cell cycle, Cell division 515  Words | 2  Pages

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Osmosis in Red Onion Cells

Osmosis in Red Onion Cells By: Youssef Gharib Brief Description of Osmosis in Red Onion cells: Osmosis is the diffusion of water from an area of low concentration to an area of high concentration across a semi-permeable membrane. The purpose of this lab is to compare the three different types of solutions affect on the relative size of the vacuole to the cell, the outer membrane of onion red cells (tunics) are used to figure out the different types. In the red onion you can see effects promptly...

Cell, Onion, Organelle 1397  Words | 5  Pages

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Cheek and Onion Cell experiment.

Cheek and Onion Cell Experiment The aim of this experiment will be to show that different cells have different structures and textures. Hypothesis I believe that viewing these different cell types under the microscope will show more detail and variations between the cells. Method Apparatus All apparatus was collected and setup as shown in the table below. CHEEK CELL ONION CELL Microscope Microscope Slide Slide Methylene Blue Iodine Spatula Microscopic Cover Slip Microscopic Cover...

Cell, Cell type, Cell wall 260  Words | 3  Pages

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Mitosis and Cell Cycle Worksheet

THE CELL CYCLE WORKSHEET Name: ___________________________________ Matching: match the term to the description |A. Prophase |B. Interphase |C. Telophase |D. Metaphase |E. Anaphase | _____ 1. The sister chromatids are moving apart. _____ 2. The nucleolus begins to fade from view. _____ 3. A new nuclear membrane is forming around the chromosomes. _____ 4. The cytoplasm of the cell is...

Cell, Cell cycle, Cell division 515  Words | 4  Pages

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ROOTS * is an organ of a plant that typically lies below the surface of the soil. * a part of a plant body that bears no leaves, and therefore also lacks of nodes. * is the beginning of the vascular system pipeline that moves water and minerals from the soil up to the leaves and fruits. FUNCTIONS OF ROOTS: * Underground (usually) * Anchor the plant in the soil * Absorb water and nutrients * Conduct water and nutrients * Food Storage ROOT SYSTEM: 1. Tap root system ...

Meristem, Phloem, Plant 1006  Words | 5  Pages

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Mitosis and Cell Cycle Study

Cell Growth and Reproduction Study Guide The Cell Cycle Study Guide Vocabulary – Cell Cycle, Mitosis, Cytokinesis 1. How did the G1 and G2 stages get their names? 2. Cells must pass through a critical checkpoint during which two stages of the cell cycle? 3. Where does DNA synthesis happen in eukaryotic cells? 4. What two processes make up the M stage? 5. Among different types of cells, which stage of the cell cycle varies most in length? 6. Why does a skin cell divide...

Cell, Cell cycle, Cell division 747  Words | 3  Pages

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experiment onion cell-biology

B04 onion skin lab SNC 2D Name:______________________________ Lab:  Investigation of the Structure of Onions Cells Purpose: To investigate the structure of onion cells and become familiar with some of the basic parts of  a cell.  This lab will also introduce you to the technique of preparing a wet mount slide. Materials: microscope pencil  cover slips lens paper paper towels blank white paper ruler known field of views beaker tweezers glass slides  eraser medicine dropper ...

Laboratory equipment 1055  Words | 4  Pages

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Mitosis and Meiosis Experiment

Lab #3: Mitosis and Meiosis To investigate the processes of mitosis and meiosis. Cells come from previous existing cells. New cells are formed by cell division, which involves karyokinesis and cytokinesis. Karyokinesis is the division of the cell's nucleus and cytokinesis is the division of the cytoplasm. Mitosis and meiosis are the two types of nuclear division. Mitosis results in body cells: the formation of an adult organism from a fertilized egg, regeneration, asexual reproduction,...

Binary fission, Cell cycle, Cell division 596  Words | 2  Pages

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osmosis in onion cell

EFFECT OF SODIUM CHLORIDE ON ONION EPIDERMAL CELLS INRODUCTION A living plant cell will shrinks or swells depending on the solute concentration of the cell in relation to the solute concentration of the fluid surrounding the cell (1). It follows that water will move from a region of high water concentration to a region of low water concentration therefore, if a cell is placed in a hypertonic solution water will move from the cell into the solution until the cell shrinks(1). Further water loss...

Cell, Cell biology, Cell membrane 743  Words | 3  Pages

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Mitosis And Meiosis Study Guide

 Biology Mitosis and Meiosis Study Guide    Videos if you want/need them.  https://www.youtube.com/watch?v=L0k­enzoeOM  https://www.youtube.com/watch?v=qCLmR9­YY7o    Maybe helpful sites?  http://www.cellsalive.com/mitosis.htm  http://www.cellsalive.com/cell_cycle.htm      1.​        ​ Diagram and label a chromosome.    2.​        ​ Describe the structure of a nucleosome. What is the role of the nucleosome in  supercoiling AND in the regulation of transcription (You will have to check Campbell ...

Cell cycle, Cell nucleus, Centromere 1789  Words | 8  Pages

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301 Virtual Lab Report Template

Virtual Lab: Cell Cycle Lab (Onion Root Tip) In this virtual lab activity, you will be observing the cell cycle in the tip of an onion root. The root tip is responsible for the downward growth of the root and is one of the regions in the plant where cells are actively dividing and growing. Because of this, the root tip is an excellent system in which to observe the entire cell cycle, including the processes of nuclear division (mitosis) and cell division (cytokinesis). You will be submitting...

Binary fission, Cell cycle, Cell division 392  Words | 2  Pages

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Osmosis: Sodium Chloride and Onion Cells

to an onion cell? Materials: (per student group): red onion epidermis forceps, dropper distilled water NaCl solution paper towels microscope slide cover slip Procedure 1. Make a wet mount of the red onion epidermis. 2. Examine under low power. When you have a clear view of several cells, switch to high power. Make a labeled drawing (cell wall, membrane, cytosol) of your cells. This will give you a record of the original appearance of the onion cells. ...

Cell membrane, Cell nucleus, Onion 442  Words | 3  Pages

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ap bio mitosis and meiosis

Introduction: Mitosis occurs in all eukaryotic cell tissues and produces genetically identical daughter cells with a complete set of chromosomes. In humans, mitosis produces somatic cells that are diploid, which means they contain two non-identical copies of each of the twenty-three chromosomes. One copy is derived from the person's mother and the other from the person's father. Meiosis, on the other hand, occurs only in testis and ovary tissues, producing sperm and ova (eggs). The gametes...

Cell, Cell cycle, Cell division 3309  Words | 10  Pages

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MITOSIS The Stages of Mitosis Mitosis is simply described as having four stages—prophase, metaphase, anaphase, and telophase; the steps follow one another without interruption. The entire four-stage division process averages about one hour in duration, and the period between cell divisions, called interphase or interkinesis, varies greatly but is considerably longer. During INTERPHASE the chromosomes are dispersed in the nucleus and appear as a network of long, thin threads or filaments, called...

Cell cycle, Cell nucleus, Centromere 929  Words | 5  Pages

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Mitosis in a Nutshell • The stages of the cell cycle can be broken down into six stages: o Interphase, Prophase, Metaphase, Anaphase, Telophase Interphase • Is the "resting" or non-mitotic portion of the cell cycle. • It is comprised of G1, S, and G2 stages of the cell cycle. • DNA is replicated during the S phase of Interphase Prophase - the first stage of mitosis. • The chromosomes condense and become visible • The centrioles form and move toward opposite ends of the cell ("the poles") ...

Cell cycle, Centromere, Chromatid 569  Words | 3  Pages

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Mitosis is the process in which a cell breaks apart its chromosome to eventually produce two identical daughter cells. The cell spends 10% of its time in mitosis. The cell goes through four stages in order to complete this task. The stages are Prophase, Metaphase, Anaphase and Telophase. Mitosis only occurs in eukaryotic cells and the process is different for different species. Mitosis is fast and very complex. The first phase is Prophase. In prophase, the chromosomes the chromosomes start to...

Cell, Cell cycle, Cell nucleus 1015  Words | 3  Pages

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Mitosis Lab

Biology March 5, 2015 Introduction In the Mitosis lab an onion root was observed under a microscope to observe whether or not cell division takes place. Also, whether cells replicate in order for it to reproduce. By observing the onion root under the microscope it allows many layers to be looked at through each cell division. The goal of Mitosis is the replication of cells to produce multiple like cells. The steps involved in Mitosis are what is known as the PMAT stages, which are the following:...

Cell cycle, Cell division, Cell nucleus 634  Words | 3  Pages

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Ap Lab 3: Mitosis and Meiosis

Lab 3: Mitosis and Meiosis Purpose: The purpose of this lab was to recognize the stages as well as events of mitosis and meiosis in a plant cell or an animal cell. The relative duration of each stage in the cell cycle will also be learned during this lab. By doing this lab we will also create a model of and understand the process of crossing over. This lab also helps students understand the similarities along with differences between mitosis and meiosis. Hypothesis: I predict that...

Cell cycle, Cell division, Cell nucleus 499  Words | 2  Pages

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The Phases Of Mitosis Mitosis is when the cell divides into 2 identical cells. It has 4 phases- prophase, metaphase, anaphase and telophase. The stage before these 4 phases is the interphase, when a cell has not yet started dividing. In this experiment, I used the root tips of onion where is the place of growth and is active in cell division, to identify the number of cells in each stage of division including interphase, and determine the relative duration of the phases of mitosis. Result: ...

Cell cycle, Cell division, Cell nucleus 868  Words | 3  Pages

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3.01 Cell Cycle Lab Report

3.01 Cell Cycle Lab Report Safety Notes: * Always handle microscopes and glass slides carefully. * Wash your hands after handling the prepared specimens. Materials: * Compound light microscope * Glass microscope slide with prepared onion root tip specimen Purpose: * understand and identify the stages of the cell cycle and mitosis. * apply an analytical technique to estimate the relative length of each stage of the cell cycle. Hypothesis Procedure:  I predict that...

Binary fission, Cell, Cell cycle 523  Words | 2  Pages

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Assignments 3. Prokaryotic vs. eukaryotic, cell cycle, cell division. Name: ____________________________________________________________________ 1. Complete the following table with the differences between prokaryotic and eukaryotic cells. Prokaryotic cells Eukaryotic cells DNA location In the nucleoid In the nucleus Membranous organelles Absent Golgi complex, lysosomes, endoplasmic reticulum, mitochondria, and chloroplasts. Other organelles Plasmids Cytoplasm Granules ...

Bacteria, Cell, Cell cycle 487  Words | 6  Pages

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Biology One

include mitosis and meiosis. Mitotic cell division is involved in the formation of an adult organism from a fertilized egg, asexual reproduction, regeneration, and maintenance or repair of body parts. Mitosis typically results in new somatic, or body cells. Meiosis results in the formation of either gametes in animals or spores in plants. The cells formed have half the chromosome number of the parent cell. Mitosis is best observed in cells that are growing at a rapid pace, such as in the onion root...

Cell cycle, Chromatid, Chromosome 1525  Words | 6  Pages

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Mitosis Lab

Objectives You will fix, stain, and make slides of onion root tips. These slides will be studied for the presence of cells in the four stages of mitosis. At the completion of this laboratory you should be able to • Stain tissue for the identification of cells in the various stages of mitosis • Identify the stages of mitosis in plant cells Introduction All new cells come from previously existing cells. New cells are formed by the process of cell division which involves both replication of the...

Cell, Cell cycle, Cell nucleus 632  Words | 2  Pages

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Dna in Plant Cells

that contains the genetic info. 4 billion codes in length Gene- a segment of DNA that controls a certain protein production. A gene is made up of hundreds to thousands of codes. Chromosomes- genetic material that is coiled up into structures during cell division. Importance of DNA- genes control the production of proteins..(look like, body function, body communications, and enzyme control) DNA screening- the process of testing individuals to determine whether they have the gene(s) associated w/...

Blood, Bone marrow, Cell 1196  Words | 4  Pages

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Ap Biology Lab Report 4

on mitosis and meiosis. This lab was done by observing mitosis in plant and animal cells, comparing the relative lengths of the stages of mitosis in onion root tip cells, stimulating the stages of meiosis, observing evidence of crossing-over in meiosis using Sordaria fimicola, and estimating the distance of a gene locus from its centromere. Mitosis is the scientific term for nuclear cell division, where the nucleus of the cell divides, resulting in two sets of identical chromosomes. Mitosis is accompanied...

Cell, Cell cycle, Cell division 1276  Words | 5  Pages

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Key Mitosis Stages And Cell Division Math

STAGES OF MITOSIS Name +r-« ~ber the following six diagrams of the stages of mitosis in animal cells in the proper _ .Jr. Label each stage with the proper name. 5 .- Ie-I )0 0 ohCtJ~ I the same for the following diagrams of mitosis in plant cells. 5 - --:r n-k/l ohG(~ i Biology IF8765 29 +-eloph~ ©Instructional Fair, Inc. Name: --.t.&=-+~+--------\ ( Cellular Division DIRE C T ION S: Answer the following math problems. Use the space below each problem or a separate piece of paper...

Blood, Bone marrow, Cell 298  Words | 2  Pages

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Observing Plasmolysis in Onion Cells (Allium cepa)

OBSERVING PLASMOLYSIS IN ONION CELLS (_ALLIUM CEPA_) I. INTRODUCTION Plasmolysis is the process in plant cells in which the cytoplasm is separated from the cell wall as a result of water loss through osmosis. Osmosis is a type of passive transport involving movement of water molecules across a partially permeable membrane. 1. RESEARCH QUESTION How does 15% NaCl solution affect the appearance of onion cells? 2. HYPOTHESIS If onion cells are submerged in solutions of NaCl of different concentrations...

Bacteria, Cell, Cell membrane 743  Words | 6  Pages

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Discuss in Detail the Cell Cycle, Mitosis and Meiosis.

detail the Cell Cycle, Mitosis and Meiosis. Cells have the ability to grow, have particular functions, and replicate during their life. Although cell enlargement is part of organismal growth, cell replication is also required and allows growth without each cell becoming too large. All of these activities are part of a repeating set of events known as the cell cycle. The major feature in the cell cycle is cellular replication and what enables for cellular replication is the process of mitosis. Mitosis...

Cell cycle, Cell nucleus, Chromosome 1023  Words | 3  Pages

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correct. High Power should show only a couple of cells that take up most of the viewing field. The micoscope is designed to view the slide at different spots, so not all drawings will look like this one. Images were snipped from the virtual microscope's flash animation. Scanning (4) | Low (10) | High (40) | 3. Go to google and type "cheek cells" into the search box. Click on "images" to see all the images google has found on the web showing cheek cells (there should be hundreds). What do all of...

Bacteria, Cell, Cell membrane 1269  Words | 4  Pages

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