Multiple Choice
Complementary relationships between purines and pyrimidines
A) allow adenine to form two hydrogen bonds with thymine (or uracil) and guanine to form three hydrogen bonds with cytosine to form double-stranded nucleic acids.
B) allow the interaction of the oppositely charged amino acids to form the tertiary structure of proteins.
C) allow adjacent bases in a nucleotide chain to stack tightly,stabilizing the DNA double helix.
D) provide highly ordered,repetitive bonding to form α helices and β sheets within proteins.
E) Both A and C are correct.
Correct Answer:
Verified
Correct Answer:
Verified
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