"Plasmolysis in onion cells" Essays and Research Papers

Sort By:
Satisfactory Essays
Good Essays
Better Essays
Powerful Essays
Best Essays
Page 1 of 50 - About 500 Essays
  • Better Essays

    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

    Free Cell membrane Cell wall Cell

    • 743 Words
    • 6 Pages
    Better Essays
  • Good Essays

    Onion Cell

    • 493 Words
    • 2 Pages

    1: fundamentals of science. Title 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. Introduction: Plant cells have a cell wall and cell membrane which animal cells do not have. The cell wall provides support and is relatively rigid‚ which consists

    Premium Cell Cell wall Microscope

    • 493 Words
    • 2 Pages
    Good Essays
  • Good Essays

    osmosis in onion cell

    • 743 Words
    • 3 Pages

    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

    Free Cell Microscope Sodium chloride

    • 743 Words
    • 3 Pages
    Good Essays
  • Good Essays

    Osmosis in Onion Cell

    • 668 Words
    • 3 Pages

    in relation to three onion cells and the impact on the cells structure. A small square of a red onion skin (membrane) was observed under a microscope at high power (X40) magnification. The observation showed a large number of onion cells. The structure of one onion cell had a general rectangular shape with a developed cell wall‚ which gives the rectangular shape to the cell and a cell membrane just beneath it. The observation under the microscope of a cell of an onion skin soaked for 15 minutes

    Premium Osmosis Cell Concentration

    • 668 Words
    • 3 Pages
    Good Essays
  • Good Essays

    The Onion Cell Lab

    • 363 Words
    • 2 Pages

    The Onion Cell Lab Background: Onion tissue provides excellent cells to study under the microscope. The main cell structures are easy to see when viewed with the microscope at medium power. For example‚ you will observe a large circular nucleus in each cell‚ which contains the genetic material for the cell. In each nucleus‚ are round bodies called nucleoli. The nucleolus is an organelle‚ which synthesizes small bodies called ribosomes. Ribosomes are so small you cannot see them with the light microscope

    Premium Cell nucleus Bacteria Cell

    • 363 Words
    • 2 Pages
    Good Essays
  • Powerful Essays

    Osmosis in Red Onion Cells

    • 1397 Words
    • 6 Pages

    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

    Premium Bacteria Protein Microbiology

    • 1397 Words
    • 6 Pages
    Powerful Essays
  • Good Essays

    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

    Free Microscope Cell Golgi apparatus

    • 260 Words
    • 3 Pages
    Good Essays
  • Good Essays

    Osmosis/Plasmolysis Lab Name: Problem: How do solutions of various salt concentrations influence osmosis in relation 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

    Premium Sodium chloride Cell membrane Cell nucleus

    • 442 Words
    • 2 Pages
    Good Essays
  • Powerful Essays

    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

    Premium Laboratory equipment

    • 1055 Words
    • 5 Pages
    Powerful Essays
  • Good Essays

    Red Onion Cell Lab

    • 573 Words
    • 3 Pages

    this principle‚ a purple onion cell is going to be bathed in different concentrations of salt (NaCl) water. Problem: How do solutions of various salt concentrations influence osmosis in relation to an onion cell? Hypothesis What will happen to the onion cell if it is placed in salt water? What will happen to the onion cell if it is placed in distilled water? If ..the onion cell is placed in salt water then... the cell will shrivel up

    Premium Cell membrane Cell Cell wall

    • 573 Words
    • 3 Pages
    Good Essays
Previous
Page 1 2 3 4 5 6 7 8 9 50