Why Would It Take More Energy to Separate DNA with the Sequence

question 90

Multiple Choice

Why would it take more energy to separate DNA with the sequence GCGCGCGC and its complementary strand than the sequence ATATATAT and its complementary strand?

• A) A's and T's do not form pairs between separate DNA strands.
• B) The helix is wound more tightly in G and C base pairs.
• C) G and C base pairs form more hydrogen bonds between DNA strands.
• D) The sequence containing G's and C's is longer.
• E) G and C base pairs form more covalent bonds between DNA strands.

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