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BIO NMDCAT Concept of Evolution
nmdcat.online July 14, 2026

29. Which characteristic would most likely have given protocells an evolutionary advantage over free organic molecules?

A. Ability to maintain an internal chemical environment
✓
B. Presence of chloroplasts
C. Possession of multicellular tissues
D. Complex nervous coordination

📝 Explanation

Correct: Membrane-bound organization allows efficient biochemical reactions and greater stability. B: Chloroplasts evolved much later. C, D: Far more advanced features. Concept: Functional significance of protocells.

📖 Additional Information

  • Ability to maintain an internal chemical environment
  • Presence of chloroplasts
  • Possession of multicellular tissues
  • Complex nervous coordination

Correct: Membrane-bound organization allows efficient biochemical reactions and greater stability. B: Chloroplasts evolved much later. C, D: Far more advanced features. Concept: Functional significance of protocells.

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