BIO NMDCAT Concept of Evolution

nmdcat.online July 14, 2026

21. During chemical evolution, which property of lipids most likely contributed to the formation of protocells?

A. They stored genetic information.

B. They spontaneously formed membrane-like structures in water.

✓

C. They acted as respiratory enzymes.

D. They catalyzed DNA replication.

📝 Explanation

Correct: Lipids can self-assemble into membrane-bound vesicles, an important step in protocell formation. A: Genetic information is stored by nucleic acids. C: Lipids are not enzymes. D: DNA replication requires proteins and nucleic acids. Concept: Protocell formation.

📖 Additional Information

They stored genetic information.
They spontaneously formed membrane-like structures in water.
They acted as respiratory enzymes.
They catalyzed DNA replication.

Correct: Lipids can self-assemble into membrane-bound vesicles, an important step in protocell formation. A: Genetic information is stored by nucleic acids. C: Lipids are not enzymes. D: DNA replication requires proteins and nucleic acids. Concept: Protocell formation.

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