The word anabolism refers to constructive, build-up, or synthesis reactions while the word catabolism refers to destructive, breakdown, or digestive reactions. What does it mean to say that in a cell, catabolism fuels anabolism?
a) Digesting food gives predators the ability to hunt more food.
b) Cellular respiration (catabolism) forms the ATP that is used to power anabolic reactions.
c) Photosynthesis produces fuel molecules that power cellular respiration.
d) All molecules made in a cell must be broken down first before they can be remade.
e) Plants don't need to perform catabolic reactions since they make ATP directly from sunlight.
Ans: b) Cellular respiration (catabolism) forms the ATP that is used to power anabolic reactions.
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