Multiple Choice
Which component is found in DNA but not RNA?
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7. DNA and Chromosome Structure
DNA Structure
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In nucleic acids, the backbone of DNA and RNA is primarily composed of which repeating structural components?
A
Alternating sugars linked directly to each other by glycosidic bonds, with phosphates as side groups
B
Alternating sugar and phosphate groups linked by phosphodiester bonds
C
Alternating nitrogenous bases and phosphate groups linked by hydrogen bonds
D
A repeating chain of amino acids linked by peptide bonds
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