What is meant by the description "antiparallel" regarding the strands that make up DNA?

What is meant by the description "antiparallel" regarding the strands that make up DNA?


A) the 5' to 3' direction of one strand runs counter to the 5' to 3' direction of the other strand

B) one strand contains only purines and the other only pyrimidines

C) Base pairings create unequal spacing between the two DNA strands

D) the twisting nature of DNA creates nonparallel strands


Answer: A) the 5' to 3' direction of one strand runs counter to the 5' to 3' direction of the other strand



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