Question

question 2
cell membranes have specific protein channels for the movement of water, these structures are

a hydrophilic heads
b carbohydrate markers
c peripheral
d aquaporins

Explanation:

Cell membranes have specific protein channels for water movement called aquaporins. Hydrophilic heads are phospholipid components, carbohydrate markers aid recognition, and peripheral proteins have various roles but not water transport.

Answer:

d. aquaporins