Multiple Choice
In DNA structure, what is the backbone of DNA primarily composed of?
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7. DNA and Chromosome Structure
DNA Structure
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In DNA structure, what determines the genetic code (information) carried by a DNA molecule?
A
The overall diameter and helical twist of the DNA double helix
B
The sequence (order) of nucleotide bases along the DNA strand
C
The sugar-phosphate backbone alone, regardless of base order
D
The number of hydrogen bonds in a double helix (2 vs 3) independent of base sequence
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