Question

part c
identify structure a.
image of cell membrane structure with labels a - f
options:
○ protein
○ glycoprotein
○ cholesterol
○ phospholipid
○ extracellular matrix

Explanation:

Structure A is a protein with a carbohydrate (sugar) chain attached to its extracellular end, which matches the definition of a glycoprotein. Glycoproteins are located on the cell membrane surface and function in cell recognition and signaling.

Answer:

glycoprotein