Question

look at the picture below. match the letter with the name of the structure. a b c d a choose choose cholesterol protein phospholipid bilayer b c d choose

Explanation:

In a cell - membrane structure, the phospholipid is the basic building block forming a bilayer. Cholesterol is embedded in the membrane for stability, proteins are embedded or associated with the membrane for various functions like transport and signaling. Based on typical membrane - structure knowledge and the appearance of the structures in the picture.

Answer:

A. phospholipid
B. protein
C. cholesterol
D. phospholipid