Which Statement Is Supported by the Discovery That RNA Can

question 102

Multiple Choice

Which statement is supported by the discovery that RNA can function as a catalyst?

• A) Proteins were the first catalysts.
• B) An "RNA world" of early life preceded the existence of DNA.
• C) Prebiotic synthesis of the four bases of RNA is not necessary for life.
• D) The prebiotic origin of small molecules was in ice on cold moons.
• E) The prebiotic origin of small molecules occurred around hydrothermal vents.

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Definitions:

Growth Rate

The rate at which an organism grows, often measured in terms of size, height, or mass increase over time.

Births

The occurrence of a baby or babies being born.

Deaths

The cessation of all biological functions that sustain a living organism, marking the end of an organism's life.

Climax Community

In ecology, community that results when succession has come to an end.