Nucleotides are the building blocks of nucleic acids, which include DNA and RNA. They contain a phosphate group, a sugar molecule, and a nitrogenous base. These components combine in specific ways to form the unique sequences of nucleotides found in DNA and RNA molecules, which encode genetic information.

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Nucleotides

Question 136

Multiple Choice

Nucleotides

A) hold the nucleus together.
B) are proteins that function as enzymes.
C) have nothing to do with the genetic information in the nucleus.
D) are the building blocks of nucleic acids.
E) are part of DNA molecules but not RNA molecules.

Correct Answer: