A) protease
B) pepsin
C) dehydrpgenase
D) permease
Correct Answer: D
Solution :
Membrane proteins that speed the movement of solute across a membrane by facilitating diffusion are called transporters or permeases. These membrane proteins lower the activation energy for transport by providing an alternative path for specific solutes through the lipid bilayer. The enzyme proteases catalyse the hydrolytic cleavage of peptide bonds. Pepsin is also a protese. Pepsin causes the cleavage of polypeptide chain at Phe, Trp. Tyr. amino acids points.
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