BIO NMDCAT Concept of Evolution

nmdcat.online July 14, 2026

49. Which characteristic distinguishes living cells from protocells in the context of the origin of life?

A. Presence of a surrounding membrane

B. Ability to carry out self-sustained metabolism and reproduction

✓

C. Presence of lipids

D. Formation in aqueous environments

📝 Explanation

Correct: True living cells possess regulated metabolism and reproduce independently. A, C, D: These features may also occur in protocells. Concept: Characteristics of living cells.

📖 Additional Information

Presence of a surrounding membrane
Ability to carry out self-sustained metabolism and reproduction
Presence of lipids
Formation in aqueous environments

Correct: True living cells possess regulated metabolism and reproduce independently. A, C, D: These features may also occur in protocells. Concept: Characteristics of living cells.

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