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Scorpion4ik [409]
3 years ago
15

How many amino acids are found in living organisms

Biology
1 answer:
loris [4]3 years ago
5 0
20.

They told me that my answer was too short so I'm just adding this on, don't mind me.                                    
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<em><u>The correct option is A) carbohydrate chain</u></em>

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The carbohydrate chain present in the cell membrane helps determine the characteristics of the cell and it also helps to identify the chemical signals from outside the cell. Hence, option A is correct.

Other options, like option B, is not correct because the function of the cholesterol in the cell membrane is to prevent the fatty acids from sticking together. Option D is not correct because transport proteins help some molecules to move inside the cell.

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