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What Is The Main Difference Between Plant And Animal Cells

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Difference Between Plant Cell and Animal Cell

Although plant and animal cells have the same basic structure, there are certain differences between them. Figures show a plant cell and an animal cell.

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What Is The Main Difference Between Plant And Animal Cells 2

Plant cell

Animal cell

1. Cell wall is present.

1. Cell wall is absent.

2. Cytoplasm is not as dense as in an animal cell.

2. Cytoplasm is dense.

3. A large vacuole is present.

3. Vacuoles are generally absent. If present, they are small in size.

4. Plastids are usually present.

4. Plastids are absent.

5. Centrosome is absent.

5. Centrosome is present.

Activity

Aim: To prepare a temporary slide of an onion peel and observe the cells under a microscope.
Materials needed: Onion, blade, forceps, glass slides, coverslip, glycerine, iodine solution, dropper, blotting paper, and microscope.
Method:

What Is The Main Difference Between Plant And Animal Cells 3

  1. Cut the onion into four halves.
  2. Separate the fleshy scales with the help of a pair of forceps and carefully peel out a piece of the onion scale.
  3. Place the peeled scale on a glass slide and add a drop of dilute iodine solution to colour the onion peel.
  4. Take another glass slide and put a drop of glycerine at its centre. Place the coloured oriion peel on the glycerine drop and carefully cover it with a coverslip. Wipe any extra glycerine on the sides of the coverslip using a blotting paper.
  5. View the slide under the microscope.

Observation: You should be able to see the large vacuoles and thick cell walls peculiar to plant cells.

Aim: To prepare a temporary slide of human cheek cells and observe them under a microscope.
Materials needed: Plastic spoon, forceps, glass slides, coverslip, distilled water, dropper, blotting paper, and microscope.
Method:

What Is The Main Difference Between Plant And Animal Cells 4

  1. Gently scrape the inner lining of your cheek with the backside of a plastic spoon.
  2. Place a drop of distilled water at the centre of a clean glass slide.
  3. Using a pair of forceps, carefully place a small piece of the scraped lining on the water drop.
  4. Carefully place a coverslip on the glass slide and wipe off extra drops of water on the sides of the coverslip.
  5. View the slide under the microscope.

Observation: You should be able to see the cell membrane, cytoplasm, and nucleus.


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