A gyre of DNA consist of 40% Adienine bases ,the number of hydrogen bonds is likely to be ...................? a...

A gyre of DNA consist of 40% Adienine bases ,the number of hydrogen bonds is likely to be ...................? and how

a)30 b)32 c)22 d)16

plz ans.its urgent..................

Given, percentage of adenine = 40%. Thus percentage of thymine will also be 40% as the amount of A and T is always equal.

Now, one gyre contains 10 base pairs.

Therefore, number of adenine will be 40% of 10 = 4

As A=T, then T will be also 4.

Thus, A+T wiil be 8 and G and C will be 10 - 8 = 2

Now, there are two hydrogen bonds between A and T and three bonds between G and C.

Thus, total hydrogen bonds between (A and T) will be 8 x 2 = 16 bonds

and total hydrogen bonds between (G and C) will be 2 x 3 = 6

Total hydrogen bonds will be 16 + 6 = 22

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