Ncert Exercises & Solutions

4. What would be the molar concentration of human DNA in a human cell? Consult your teacher.

The molar concentration of human DNA in a human diploid cell is as follows:

$\begin{array}{l} \Rightarrow Total number of chromosomes \times 6 .023 \times 10^{23} \\ \Rightarrow 46 \times 6 .023 \times 10^{23} \Rightarrow 2 .77 \times 10^{23} moles \end{array}$

Hence, the molar concentration of DNA in each diploid cell in humans is 2.77 x 10^23 moles.

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