Which of the following is not correct
$\frac{{\rm{A}}}{{\rm{T}}} = 1$
${\rm{A}} + {\rm{T}} = {\rm{G}} + {\rm{C}}$
${\rm{A}} + {\rm{G}} = {\rm{C}} + {\rm{T}}$
None of these
$NHC$ structural proteins are
Octamer which form complex unit with $DNA$ is called
By using diagram, select the correct option for $X$ and $Y$
The figure gives an important concept in the genetic implication of $DNA$. Fill the blanks $A, B$ and $C$.
If the distance between two consecutive base pairs is $0.34\, nm$ and the total number of base pairs of a $DNA$ double helix in a typical mammalian cell is $6.6 \times 10^{9}$ $bp,$ then the length of the $DNA$ is approximately