State whether true or false All cells have a plasma membrane,cytoplasm and ribosomes

Answer:

Explanation:

Plasma membrane is the outer covering of cell made up of the phospholipid bilayer. Chemically, cell membrane or plasma membrane is composed of proteins (20 - 70 %), lipids (20 - 79 %), carbohydrates (1 - 5 %) and water (20 %). Nucleic acids, i.e., DNA and RNA are absent.

Explanation:

Lipids and proteins are synthesised in the ER [Endoplasmic Reticulum].

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Where do the lipids and proteins constituting the cell membrane get ...

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What is the cell membrane formed by?

Where are the protein and lipids for cell membrane synthesized?

Where are membrane lipids produced?

Where do lipids come from?

Where are lipids found in the cell?

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Answer:

The plasma membrane allows or permits the entry and exit of some materials in and out of the cell so the cell membrane is called a selectively permeable membrane.

Answer:

The plasma membrane allows or permits the entry and exit of some materials in and out of the cell so the cell membrane is called a selectively permeable membrane.

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If the plasma membrane ruptures or breaks down then the cell will not be able to exchange material from its surrounding by diffusion or osmosis. Thereafter the protoplasmic material will disappear and the cell will die.