Multiple Choice
In the context of DNA structure, what is the five-carbon (pentose) sugar found in DNA nucleotides?
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7. DNA and Chromosome Structure
DNA Structure
Multiple Choice
In the context of DNA structure, DNA is classified as which type of biological macromolecule?
A
Protein
B
Carbohydrate
C
Nucleic acid
D
Lipid
Verified step by step guidance1
Recall the four main types of biological macromolecules: proteins, carbohydrates, lipids, and nucleic acids.
Understand that DNA (deoxyribonucleic acid) is composed of nucleotide monomers, each containing a sugar, phosphate group, and nitrogenous base.
Recognize that nucleotides are the building blocks of nucleic acids, which store and transmit genetic information.
Eliminate options that do not fit the structure and function of DNA: proteins (made of amino acids), carbohydrates (sugars), and lipids (fats and oils).
Conclude that DNA is classified as a nucleic acid because it is a polymer made of nucleotides responsible for genetic information storage.
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