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Biology, 27.05.2021 01:00 sm908361

The diagram below shows two bases, X and Y, joined by hydrogen bonds in DNA. X represents _ and Y represents _. a. cytosine, guanine
b. adenine, uracil
c. adenine, cytosine
d. uracil, adenine
e. thymine, adenine


The diagram below shows two bases, X and Y, joined by hydrogen bonds in DNA. X represents _________

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