The diagram shows an important concept in the genetic implication of $DNA$. Fill in the blanks $A$ to $C$.
$A$ -Transcription, $B$ - Translation, $C$ - Francis Crick
$A$ - Translation, $B$ - Extension, $C$ - Rosalind Franklin
$A$ - Transcription, $B$ - Replication, $C$ - James Watson
$A$ - Translation, $B$ - Transcription, $C$ - Ervin Chargaff
Read the following statements and choose the set of correct statements:
$(a)$ Euchromatin is loosely packed chromatin
$(b)$ Heterochromatin is transcriptionally active
$(c)$ Histone octomer is wrapped by negatively charged DNA in nucleosome
$(d)$ Histones are rich in lysine and arginine
$(e)$ A typical nucleosome contains $400\,bp$ of DNA helix
Choose the correct answer from the options given below:
The substance that acts as connecting link between two generations is
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
If the sequence of one strand of $DNA$ is $5^{\prime}$ $A T G C A T C G 3'$ , find the sequence of complementary strand in $5^{\prime} \rightarrow 3^{'}$ direction
Which one of the following pairs of nitrogenous bases of nucleic acids, is wrongly matched with the category mentioned against it ?