Multiple Choice
In DNA structure, the molecule is often described as having a “twisted ladder” shape; what is the correct name for this overall shape?
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7. DNA and Chromosome Structure
DNA Structure
Multiple Choice
In terms of biological macromolecule classes, DNA is best classified as which type?
A
Carbohydrate (polysaccharide)
B
Lipid
C
Protein
D
Nucleic acid
Verified step by step guidance1
Recall the four major classes of biological macromolecules: carbohydrates, lipids, proteins, and nucleic acids.
Understand that carbohydrates are primarily composed of sugar molecules and serve as energy sources or structural components.
Recognize that lipids are hydrophobic molecules mainly involved in energy storage and membrane structure.
Know that proteins are made of amino acids and perform a wide range of functions including enzymatic activity and structural roles.
Identify that DNA is composed of nucleotide monomers, which places it in the nucleic acid category, responsible for storing and transmitting genetic information.
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