Question
If an atom has electronic configuration $1s^22s^22p^63s^23p^63d^34s^2$, it will be placed in :-
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(Given : Density of solution $=1.25 \mathrm{~g} \mathrm{~mL}^{-1}$, Molar mass in $\left.\mathrm{g} \mathrm{mol}^{-1}: \mathrm{Na}-23, \mathrm{Cl}-35.5\right)$
$A. RNA$ is regarded as the reserve of genetic information.
$B. DNA$ molecule self-duplicates during cell division
$C. DNA$ synthesizes proteins in the cell.
$D$. The message for the synthesis of particular proteins is present in $DNA$
$E$. Identical $DNA$ strands are transferred to daughter cells.