Question

1. the building up and breaking down of cell material is called

a. catabolism.
b. anabolism.
c. metabolism.
d. homeostasis.

Explanation:

• Catabolism only refers to the breakdown of cell material.
• Anabolism only refers to the building up of cell material.
• Metabolism encompasses both the building up (anabolism) and breaking down (catabolism) of cell material.
• Homeostasis is the maintenance of a stable internal environment in cells/organisms, not related to building/breaking down cell material.

Answer:

c. metabolism.