Apentix/AP Biology/Unit 2: Cell Structure and Function/Question
AP Biologymediummcq1 pt

What is a major advantage of maintaining a lysosome at an acidic pH while the surrounding cytosol remains near neutral pH?

A.It removes the need for a membrane around the lysosome
B.It permanently inactivates digestive enzymes stored in the lumen
C.It provides acidic conditions in which lysosomal hydrolases function efficiently
D.It converts soluble hydrolases into protective membrane lipids

Explanation

Core Concept

Lysosomal hydrolases function efficiently in the acidic lumen, while many cytosolic reactions operate near neutral pH. Compartmentalization lets the cell maintain both environments simultaneously; acidic pH itself is not what protects the lysosomal membrane from those enzymes.

Correct Answer

CIt provides acidic conditions in which lysosomal hydrolases function efficiently

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