Which Statement Does Not Correctly Describe Structural Differences Between DNA

question 9

Multiple Choice

Which statement does not correctly describe structural differences between DNA and RNA?

• A)RNA contains uracil instead of thymine.
• B)RNA molecules have a lower molecular mass than DNA molecules.
• C)RNA molecules are generally single-stranded.
• D)The sugar in RNA has one more hydroxyl group than the sugar in DNA.
• E)All of the statements are correct.

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Definitions:

Carbon

A chemical element with symbol C and atomic number 6, essential to all known life, forming the basis of organic chemistry.

Molecular Evidence

Information obtained from the molecular level, including DNA and proteins, that supports scientific theories or findings.

Carbon Isotopic Signatures

Differences in the ratio of carbon isotopes (carbon-12 to carbon-13) found in organic materials and carbonates, used as a tool for studying past environmental conditions and biological processes.

Diets

Pertains to the habitual nourishment or eating patterns of an individual or group, often tailored to specific health or nutritional goals.