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Biology

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Which of the following statements about the two strands of a DNA molecule is true?

The strands have identical base sequences.
An A base on one strand always pairs with a G base on the other strand.
The strands are a pair of sister chromatids.
The strands are connected to each other by sugar-phosphate bonds.
A T base on one strand always pairs with an A base on the other strand.

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a T base on one strand always pairs with an A base on the other strand

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