Question

question 2 of 10
what type of protein controls what goes in and out of cells?
a. amino
b. globular
c. fibrous
d. membrane

Explanation:

Membrane proteins are embedded in the cell - membrane and regulate the movement of substances across the cell - membrane. Amino acids are the building blocks of proteins, not a type of protein that controls cell transport. Globular and fibrous proteins have different structural and functional roles not directly related to controlling what enters and exits cells.

Answer:

D. Membrane