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Multiple Choice
Within a double-stranded DNA molecule, adenine (A) forms hydrogen bonds with thymine (T), and cytosine (C) forms hydrogen bonds with guanine (G). What is the significance of the structural arrangement?
A
It allows variable width of the DNA double helix.
B
It permits complementary base pairing.
C
It determines the tertiary structure of the DNA molecule.
D
It determines the type of protein produced from the DNA.
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