Study of plasmolysis
To study the phenomenon of plasmolysis and deplasmolysis in plant cells
onion bulb,watchglass,petridish,forceps,brush,needles,microscope,coverslip,sucrose solution.
(Onion is taken as it is easily available)
1. Take an...
This lab report is based on an experiment on cell division. The process by which cells go through from the time it is formed and the time it reproduces itself. Clearly we understood the two stages and the stages of these cell divisions and their functions including characteristics. N...
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This article is about the plant term. For other uses, see Onion (disambiguation).
4.I believe that our observations are repressentative of cell division taking place in the oinon root tip. Firstly, this is because our numbers of the number of cells in each phase of mitosis are similar to the rest of the groups, so we can assume our results are most likely correct. We can also a...
The human body is made up of trillions of cells; these cells are the body’s living building blocks. The cells themselves, as with the human body, are highly organised and within their interior have many highly specialized organelles. Through the coordinated actions of these cellula...
Biology, 7e (Campbell)
Chapter 12: The Cell Cycle
1) The centromere is a region in which
A) chromatids are attached to one another.
B) metaphase chromosomes become aligned.
C) chromosomes are grouped during telophase.
D) the nucleus is located prior to mitosis.
ANSWERS TO STUDENT QUESTIONS
1. Buffer: A solution that will maintain a constant pH, chelate metal ions and generally maintain an environment that will prevent disruption of the experiment.
Precipitate: The solid which is visible when a substance becomes insoluble from a solution.
Cell Biology Exam 1 Notes
Lecture 1: Introduction to Cell Biology
• Biology is studied at different levels of organization
• [Figure 1-9] How big is a cell and how big are its parts?
• There are important simil...
Extraction of DNA from an Onion
Molecular biologists and biochemists are involved with research in finding out as much as possible about the DNA in plants. DNA was discovered in the 1950’s, there still remains a lot to be known about it, especially how it is used to determine the physical trait...
Cell Biology (CP8121)
Experiment 2: Observing Mitosis and Meiosis on cell specimens
Name: Wong Chung An
Admin number: P1138687
This experiment aims to observe mitosis and meiosis on cell specimens. It involves the modelling of the stages of me...
Class IX: Biology
Chapter 5: The fundamental unit of life.
1) In 1665, Robert Hooke first discovered and named the cells.
2) Cell is the structural and functional unit of all living organisms.
3) Organisms may be unicellular or multicellular. A single cell co...
"Onion and Calamansi Extract as Cockroach Killer"
A. Background of the study
Cockroaches are one of the most commonly noted pest insects due to their population. More than 3000 species live in tropical regions. They are abundant in and aroud dwellings in temperate areas. Cockroaches are also...
Cell: Structure And Function
Discovery of the Cell
In 1655, the English scientist Robert Hooke made an observation that would change basic biological theory and research forever. While examining a dried section of cork tree with a crude light microscope, he observed small chambers and named them c...
The cell is the basic structural and functional unit of life. It is the smallest unit of life that is classified as a living thing and is often the building block of life. Humans contain about ten trillion cells. Cells are generally self containing and self maintaining. Each cell takes in energy and...
The plasma membrane, or cell membrane plays a huge role in regulating how things get in and out of cells. The plasma membrane’s unique structure enables it to let only certain molecules pass through the cell. This ability is called selective permeability. Most of the plasma membrane in most cells...
Purpose: The purpose of this lab was to calculate the amount of 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.
• Mitosis: This is the process by which a cell duplicate...
-All living things are composed of one or more cells.
-Cells are the basic unit of structure and function in an organism.
-Cells come from the reproduction of existing cells.
Unicellular organisms carry out the functions of life:
Homeostasis: The balanced state of a livin...
Observing Mitosis and Meiosis on Cell Specimens
Name: Low Celine
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Plant cell is the basic unit of structure and function in nearly all plants. The range of specialization and the character of association of plant cells are very wide. In the simplest plant forms a single cell constitutes a whole organism and carries...