Multiple Choice
In DNA structure, which nitrogenous base forms complementary base pairs with thymine (T) via hydrogen bonds?
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7. DNA and Chromosome Structure
DNA Structure
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
In the DNA double helix often described as a twisted ladder, what molecules form the “stairs” (rungs) of the ladder?
A
Alternating deoxyribose sugars and phosphate groups forming the sugar-phosphate backbone
B
A single continuous strand of deoxyribose sugars attached directly to another sugar strand
C
Amino acids linked by peptide bonds
D
Pairs of nitrogenous bases (A with T, and G with C) held together by hydrogen bonds
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