Which amino acids are present in histones
Lysine and histidine
Valine and Histidine
Arginine and lysine
Arginine and histidine
Which one of the following makes use of $RNA$ as a template to synthesize $DNA$
Assertion : Histones are basic proteins of major importance in packaging of eukaryotic $DNA$. $DNA$ and histones comprise chromatin forming the bulk of eukaryotic chromosome.
Reason : Histones are of five major types $H_1,\,H_2A\,, H_2B,H_3$ and $H_4$ .
Study the given figure of nucleosome and select the option that correctly identifies the part $A, B$ and $C$ ?
$A\;\;;\;\;B\;\;;\;\;C$
Which of the following nitrogenous bases are common for both $RNA$ and $DNA$?
$DNA$ polymerase links nucleotide by forming which type of bond: