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Minchanka [31]
3 years ago
8

Please help me as soon as possible!!!!

Biology
1 answer:
antiseptic1488 [7]3 years ago
4 0

Answer:

The answers are:

Cell Wall:

  1. Gives plant cell its shape
  2. Rigid

Cell Membrane:

  1. Acts like a skin.
  2. More selectively controls what goes in and out of cell.
  3. Is not rigid.

Explanation:

  • The question entails the structural and functional differences of the cell wall and cell membrane.
  • The cell wall is a rigid and strong layer that covers the outside of plant cells. It is absent in animal cells.
  • The cell wall is largely composed of cellulose, hemicellulose and pectin in plants and peptidoglycan in bacteria. The cell membrane, on the other hand, is comprised of a lipid bilayer.
  • The strong and complex network of cellulose renders the cell wall rigid; whereas, as it is made up of lipid bilayer, the cell membrane is flexible and elastic.
  • Unlike the cell membrane, which allows the movement of selective substances, the cell wall does not allow any substances to pass through.
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