BIO NMDCAT Concept of Evolution

nmdcat.online July 14, 2026

7. According to the concept of evolution, protocells are best described as:

A. Fully developed bacterial cells

B. Virus-like infectious particles

C. Membrane-bound aggregates showing some properties of living systems

✓

D. The first multicellular organisms

📝 Explanation

Correct: Protocells were primitive structures with limited life-like characteristics. A: Too advanced. B: Viruses require host cells. D: Multicellular organisms evolved much later. Concept: Protocell formation.

📖 Additional Information

Fully developed bacterial cells
Virus-like infectious particles
Membrane-bound aggregates showing some properties of living systems
The first multicellular organisms

Correct: Protocells were primitive structures with limited life-like characteristics. A: Too advanced. B: Viruses require host cells. D: Multicellular organisms evolved much later. Concept: Protocell formation.

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