• Dbq carnegie
    (Protocol) Data: Pictures/Graphs/Charts Conclusion: (What went well,, what did you find out, what went wrong) BackGround & Problem: The nucleus of the membrane. Human Cheek cells are called Eukaryotic cells because it has nucleus which has DNA in it. The onion cells look like fish scales. It looks see...
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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...
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    Alex Yankey Biology I Mrs. Stegmann 18 November 2011 I. Background Information and Purpose A cell is surrounded by a membrane. In some ways, the plasma membrane is like a window screen. It allows certain things to pass through while keeping other...
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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...
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  • Bio. Lab. Report - Membrane Transport
    solutions on plant and animal cells. Materials and Apparatus: * Microscope * Electronic balance * Stirring rod * Small knife * Glass slide and cover * 250, 500 ml beakers * Distilled water * Cotton * Test tubes * Spatula * Onion * Ethanol (70%) * Filter...
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  • Report
    Objective: * To identity plant cells and animal cells. * To observe the similarities and differences between plant cells and animal cells. * To observe the difference between onion cells and potato cells. * To learn irrigation technique. Title: Preparation of Biological...
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  • Osmosis
    OBJECTIVE: To describe the effect of water gain or loss in animal and plant cells. INTRODUCTION: Osmosis is the tendency of water to flow from a hypotonic solution (low concertration of dissolved substances) to hypertonic solution ( higher concerntration of dissolved substances) across...
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  • epidermic cell observation
    epidermal cell number or size in various age layers of three month (61 day) old Allium cepa? Terry Lan Beijing World Youth Academy Data Collection and Presentation Data collection The number of layer in 1 Allium cepa sample* is counted by the researcher. 4 samples of epidermal cell in each layer...
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  • research
    Observing Onion Cells Science 8 Observing Onion Cells ***Do not write anywhere on this piece of paper!!! It will be used again this afternoon!!!***** Instructions. On a piece of paper, write the title (see above), the date, your block, and your name. Then copy out the problem...
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  • Onion Cell
    An investigation of an onion cell using a light microscope. Aim: The aim of this investigation is to identify the cells within an onion skin using a light microscope. An onion cell is a plant cell which through the light microscope, it should outline the cell wall, cell membrane and the nucleus. ...
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  • The Cell structure and function
    01) The Cell Structure and function Abstract In this lab the structures of various cells were viewed through a compound microscope. The bacteria in yogurt was viewed a long with a slice of potato, and a thin skin of red onion. The potato was dyed with...
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  • Compare the Size of Cheek Cell and Onion Cell
    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...
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  • Cells Biological
    Examination Objectives: 1. To learn how to use a microscope. 2. To study the cell structure of starch grains, onion cells and cheek cells. 3. To differentiate the difference between starch grains, onion cells and cheek cells. Introduction: Microscope is an optical instrument use to magnify micro...
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  • research Paper
    Animal Cells Objective The objective of this lab was to learn what a microscope reveals about plant and animal cells. The completion of this lab should teach the participant the differences between plant and animal cells and how to examine samples of the covering tissues of a plant (the onion) and of...
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  • Macromoleules of Life
    reagent sugar should be positive for glucose. Starch mixed with the Benedict reagent is probably positive for glucose because it is a polysaccharide. Onion juice mixed with Benedict reagent is probably positive for glucose because it is a fructose. Distilled water with Benedict reagent should be negative...
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  • Title
    Problem: What does a cheek cell look like? Hypothesis: A group of cells that look like a brick wall with a possibility to see something moving. Materials: * Microscope * Tweezers * Syringe * Wet mounts(Slides and slide covers) * Toothpicks * Onion(Onion cell) * Methylene blue...
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  • Comparing Plants and Animal Cells Lab
    Comparing Plant and Animal Cells Hypothesis: I predict I will see the following organelles when observing a plant and animal cell under a microscope: the cell membrane, cell wall, nucleus, and the endoplasmic reticulum. Frog Blood: Analysis: 1. The shape of the frog blood cell was in a circle, or...
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  • Ap Biology: Cells Have Kinetic Energy
    ntroduction:   Cells have kinetic energy.  This causes the molecules of the cell to move around and bump into each other.  Diffusion is one result of this molecular movement.  Diffusion is the random movement of molecules from an area of higher concentration to areas of lower concentration.  Osmosis...
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  • Biology
    plant (onion) and an animal (cheek) cell under a light microscope. The stain methods I am going to use are iodine for my onion cell and methylene blue for my cheek cell. Introduction All animals and plants are made up of cells. Animal and plant cells are made from millions of tiny cells, so small...
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  • Biology Lab Report
    (a) Osmosis in a Model Cell The results at the end of the experiment is shown below : The Solution A turns blue-black and the dialysis tubing becomes bigger at the end of the experiment. (b) Osmosis in a Living Cell At the beginning of the experiment, the onion cell looks like as below : ...
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