Multiple Choice
What is a primary application of obtaining a small amount of a person's DNA?
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7. DNA and Chromosome Structure
DNA as the Genetic Material
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Which type of monomer combines to form DNA molecules?
A
Monosaccharides
B
Amino acids
C
Fatty acids
D
Nucleotides
Verified step by step guidance1
Understand that DNA is a polymer, which means it is made up of repeating smaller units called monomers.
Recall the four main types of biological macromolecules: carbohydrates, proteins, lipids, and nucleic acids, each made from specific monomers.
Identify that DNA belongs to the category of nucleic acids, which are polymers made from monomers called nucleotides.
Recognize that monosaccharides are the monomers of carbohydrates, amino acids are the monomers of proteins, and fatty acids are components of lipids, so these do not form DNA.
Conclude that nucleotides, which consist of a sugar, a phosphate group, and a nitrogenous base, are the monomers that combine to form DNA molecules.
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