The Fact That a Nucleic Acid Is a Very Complicated

question 14

Multiple Choice

The fact that a nucleic acid is a very complicated molecule suggests that

• A) the RNA-first hypothesis is impossible.
• B) the protein-first hypothesis is therefore the only plausible hypothesis.
• C) sophisticated enzymes were not present or available to synthesize it.
• D) no natural system could ever generate them.
• E) RNA could not have arisen on its own by chance, but required enzymes to guide the synthesis of nucleotides and nucleic acids.

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The process of providing or obtaining the food necessary for health and growth.

Worms

Invertebrate animals with a long, soft body without limbs, found in many environments.

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The ecological principle that birds' survival and reproductive success depend on various environmental factors.