Which of the following nitrogenous bases are common for both $RNA$ and $DNA$?
$C, G, A$
$G, A, U$
$T, A, C$
$U, A, C$
$Pu \longrightarrow A , G$ Common
$Py \longrightarrow C$
If the length of a $DNA$ molecule is $1.1$ metres, what will be the approximate number of base pairs?
The substance that acts as connecting link between two generations is
Which of the following statements is correct$?$
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:
Nucleic acids were discovered by
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