객관식
Which sugar is found in the backbone of DNA?
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7. DNA and Chromosome Structure
DNA Structure
Multiple Choice
In terms of biological macromolecules, DNA is classified as which type?
A
Nucleic acid
B
Lipid
C
Protein
D
Carbohydrate (polysaccharide)
검증된 단계별 안내1
Recall the four major types of biological macromolecules: carbohydrates, lipids, proteins, and nucleic acids.
Understand that DNA (deoxyribonucleic acid) is composed of nucleotide monomers, which include a sugar, phosphate group, and nitrogenous base.
Recognize that molecules made up of nucleotides are classified as nucleic acids.
Eliminate other options: lipids are fats and oils, proteins are made of amino acids, and carbohydrates are sugars and polysaccharides.
Conclude that DNA is classified as a nucleic acid based on its molecular structure and function.
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