Question

pls answer this question with explaination..!
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Answer 1

Answer:

Purines pair with the pyrimidines by hydrogen bonds. Adenine pairs with thymine by two hydrogen bond while the cytosine pairs with the guanosine by three hydrogen bonds. Therefore, the strand having least number of C and G will melt at the lowest temperature.

Answer 2

Answer:

the nitrogenous base are purines and pyrimidines

Explanation:

the strand giving the least number of Cand G will will melt at lowest temperature

hope it helps