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Q.
In a DNA segment having six coils, there are 22 nitrogen base pairs linked by two hydrogen bonds. How many cytosine bases are found in that segment
EAMCETEAMCET 2008
Solution:
One coil of DNA has 10 base pairs hence, the s six coils contain 60 base pairs. The nitrogen base pairs linked by two hydrogen bonds are 22 hence, the nitrogen base pair with three hydrogen bonds, i.e., G = C will be 60 - 22 = 38.