Question

the diagram represents a section of a cell membrane. what does structure x represent? a. glycogen b. glucose c. a lipid d. a protein

Explanation:

Cell membranes are composed of a lipid - bilayer. The structure shown as X represents the lipid component of the cell - membrane. Glycogen is a storage polysaccharide, glucose is a monosaccharide, and proteins are different in structure from the lipid - bilayer structure shown.

Answer:

C. a lipid