What Is an Argument Against the Theory That RNA Was

question 67

Multiple Choice

What is an argument against the theory that RNA was the first polymer of life?

• A)Only limited replication of proteins is possible.
• B)The transfer of information from RNA to DNA under primordial conditions is difficult.
• C)The primordial nucleotides could not form a polymer.
• D)RNA cannot transfer genetic information to xeno-nucleic acids.
• E)The synthesis of RNA nucleotides under primordial conditions is difficult.

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Definitions:

Abnormal Dilations

unusual expansions or widenings of vessels, cavities, or organ passages in the body.

Metabolism

The set of life-sustaining chemical reactions in organisms that involve the conversion of food to energy, the construction of proteins and nucleic acids, and the breakdown of waste products.

Fats

Nutrients that give energy, support cell growth, and help in the absorption of certain vitamins.

Niacin

A water-soluble B vitamin (B3) that is essential for energy metabolism and the health of the nervous system, skin, and digestive system.