2. Solved Papers
  3. WB JEE Medical

WB JEE Medical WB JEE Medical Solved Paper-2015

  • question_answer
    What will be the percentage of guanine in a DNA molecule having 20% adenine?

    A)  20%            

    B)  30%

    C)  40%            

    D)  60%

    Correct Answer: B

    Solution :

     According to Chargaffs rule, \[A=T;C=G\] If the % of.   \[A=20%\] Therefore T is also 20% or,       \[A+T=40%\] Therefore.\[~G+C=100-40=60%\] Hence,     \[G=30%\]


You need to login to perform this action.
You will be redirected in 3 sec spinner