Multiple Choice
The strands in the double helix
A) both run in the same 3' → 5' direction, i.e., they are parallel.
B) have their 3' → 5' directions opposed, i.e., they are anti-parallel.
C) can be either parallel or anti-parallel.
D) are perpendicular to one another.
E) None of these
Correct Answer:

Verified
Correct Answer:
Verified
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