Sunday, July 26, 2009

What is the relationship between any two strands of DNA?

a. An A base on one always pairs with a G base on the other.


b. One was the template for the synthesis of the other.


c. They are a pair of sister chromatids.


d. They are connected to each other by sugar-phosphate bonds.


e. They have identical base sequences.

What is the relationship between any two strands of DNA?
b. is correct. You have a strand of DNA and then an antisense strand that matches in terms of its bases (A, T, G and C). The strands unzip when they replicate.


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