Multiple Choice
In the context of chemical evolution, DNA's structure is interesting because it suggests a possible copying mechanism. What about DNA's structure facilitates copying?
A) It has the same number of purines and pyrimidines.
B) The nitrogenous bases are located on the inside of the double helix.
C) DNA always goes from 5 to 3.
D) The strands of the double helix are complementary.
Correct Answer:

Verified
Correct Answer:
Verified
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