A is a unit of DNA that is made up of one sugar molecule, one phosphate molecule, and one
A
nucleosome
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B
nucleotide
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C
nitrogenous base
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D
amino acid
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E
lipid
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Solution
The correct options are B nucleotide C nitrogenous base Each single strand of DNA is composed of repeating units of nucleotides which are made up of 3 components - a phosphate group, a deoxyribose sugar (pentose) and a nitrogenous base.