Multiple Choice
In the DNA double helix, what 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 type of bonds hold complementary nitrogenous bases together across the two strands?
A
Covalent peptide bonds
B
Hydrogen bonds
C
Ionic bonds between the sugar-phosphate backbones
D
Phosphodiester bonds
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