Rough Endoplasmic Reticulum. it has a rough surface and is covered in ribosomes.
Answer:
B. the making of proteins
Explanation:
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Answer:
<em><u>The correct option is A) carbohydrate chain</u></em>
Explanation:
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.
The answer is C, because it has a negative charge -1. All groups with charges called ions, unless they are organic compounds.
