Multiple Choice
In double-stranded DNA, what type of chemical bonds hold complementary nitrogenous bases together across the two strands?
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7. DNA and Chromosome Structure
DNA Structure
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Which types of chemical bonds are primarily responsible for holding the two strands of DNA together in the double helix?
A
Hydrogen bonds between complementary base pairs
B
Peptide bonds between adjacent nucleotides
C
Phosphodiester bonds between the two strands along their entire length
D
Glycosidic bonds between bases on opposite strands
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