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.
Answer:
d
Explanation:
others can offered and get it
C) the lungs.
The air moves down the trachea and into the lungs where it is picked up by the blood
Answer:
Insulators
Explanation:
The purpose of insulators are to convert the energy into thermal or heat energy
