Multiple Choice
Which of the following best describes the overall structure of DNA as depicted in the diagram?
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7. DNA and Chromosome Structure
DNA Structure
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DNA and RNA are both:
A
nucleic acids
B
proteins
C
lipids
D
carbohydrates
Verified step by step guidance1
Understand the basic categories of biological macromolecules: nucleic acids, proteins, lipids, and carbohydrates.
Recall that DNA (deoxyribonucleic acid) and RNA (ribonucleic acid) are molecules that store and transmit genetic information.
Recognize that both DNA and RNA are composed of nucleotide monomers, which consist of a sugar, a phosphate group, and a nitrogenous base.
Since molecules made of nucleotides are classified as nucleic acids, conclude that DNA and RNA belong to the nucleic acids category.
Therefore, the correct classification for both DNA and RNA is nucleic acids.
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