Which one of the following is not applicableto $RNA$ ?
Heterocyclic nitrogenous bases
Chargaff’s rule
Complementary base pairing
$5’ $ phosphoryl and $3’$ hydroxyl ends
Which amino acids are present in histones
Which of the following statements is correct$?$
Give the historical background of $DNA.$
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:
Adenine is $30\%$ then what would be the $\%$ of guanine