Multiple Choice
How many phosphate groups are present in a single strand of DNA?
A) the same number as there are adenine bases
B) the same number as there are adenine + thymine bases
C) the same number as there are guanine + cytosine bases
D) the same number as there are adenine + thymine + guanine + cytosine bases
Correct Answer:

Verified
Correct Answer:
Verified
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