BIO NMDCAT BIOLOGICAL MOLECULES

nmdcat.online June 27, 2026

The term “metabolism” encompasses all chemical reactions occurring in a cell, and the two fundamental, opposing processes of metabolism are

A. Oxidation and reduction

B. Anabolism and catabolism

✓

C. Hydrolysis and dehydration

D. Photosynthesis and respiration

📝 Explanation

Metabolism is the sum of all cellular reactions. Catabolism is the breakdown of complex molecules into simpler ones, releasing energy. Anabolism is the synthesis of complex molecules from simpler ones, consuming energy. Their regulation is central to life.

📖 Additional Information

Oxidation and reduction
Anabolism and catabolism
Hydrolysis and dehydration
Photosynthesis and respiration

Metabolism is the sum of all cellular reactions. Catabolism is the breakdown of complex molecules into simpler ones, releasing energy. Anabolism is the synthesis of complex molecules from simpler ones, consuming energy. Their regulation is central to life.

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