Comparing Plant Cells Purpose: Students will observe plant cells using a light microscope. Two cells will be observed, one from the skin of an onion, and the other from a common aquarium water plant (anacharis). Students will compare both types of cells and identify structures visible in each. See also: Plant Cell Lab Makeup, which utilizes web resources to complete lab guide.
Prelab Questions 1. What is the function of chloroplasts? 2. Name two structures found in plant cells but not animal cells. 3. Name three structures found in plant cells AND in animal cells. 4. What structure surrounds the cell membrane (in plants) and gives the cell support.
Part A Onion Cells Obtain a prepared slide of onion cells or prepare one yourself. View under the microscope and sketch the cells at each magnification. Label the cells as they appear under high power.
Part B Elodea Cells View a prepared slide of elodea (anacharis), which is an aquarium plant. As the slide warms from the light of the microscope, you may see the chloroplasts moving, a process called cytoplasmic streaming.
Post Lab Questions 1. Describe the shape and the location of chloroplasts. 2. Why were no chloroplasts found in the onion cells? (hint: think about where you find onions) 3. Which type of cell was smaller the onion cells or the elodea cells? How do you know? 4. Fill out theVenn Diagram below to show the differences and similarities between the onion cells and the elodea cells.
5. Did you notice the chloroplasts moving within the cytoplasm of the elodea plant? Do they all move in the same pattern or direction? Suggest a reason why these structures move. Develop a quick experiment to test your hypothesis. Describe the test below, and if you have time conduct the test.
Describe the test below, and if you have time. conduct the test. Page 2 of 2. Plant Cell Lab - Onion and Elodea.pdf. Plant Cell Lab - Onion and Elodea.pdf. Open.
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Smooth Endoplasmic Reticulum (pink). Rough Endoplasmic Reticulum (pink). 1. Name two things found in a plant cell that are not found in an animal cell: 2.
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3 E-mail: [email protected]. 4 Present address: .... a geographic information system that included historic maps and aerial ...... Amazon Basin. Biological ...
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fastest recovery occurring in the first 10 min follow- ing treatment. On the basis of these results, we performed our microwell filling within the first few minutes after ...
contact information for at least three references to the Stanford Careers website, http://stanfordcareers.stanford.edu/. For more information, contact Dr. Mordecai ...
The Mordecai lab at Stanford University is seeking a full-time Life Science ... Qualifications: The candidate must have a B.S. in ecology, biology, or related field. ... frequently stand, walk, bend, squat, perform desk-based computer tasks, lift, ..
... for more information on the Keller Lab (http://www.uvm.edu/~srkeller) and the Department of. Plant Biology at UVM (http://www.uvm.edu/~plantbio/index.php).
electrophoresis, primer design, PCR, qRT-PCR, DNA sequencing, genotyping, restriction digests, etc. Desirable experience includes making next-generation ...