Multiple Choice
In the DNA double helix, what primarily holds the two antiparallel strands together?
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7. DNA and Chromosome Structure
DNA Structure
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In the DNA double helix, what holds the two antiparallel strands together?
A
Covalent phosphodiester bonds between bases on opposite strands
B
Peptide bonds linking nucleotides across the helix
C
Disulfide bonds between deoxyribose sugars on opposite strands
D
Hydrogen bonds between complementary base pairs (A–T and G–C)
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