In eukaryotes, the $RNA$ polymerase that synthesises $tRNA$ is $RNA$ polymerase ______ and is also responsible for formation of ______ $rRNA$.
$II, 5.8 S$
$I, 5 S$
$III, 5 S$
$II, 18 S$
Each chromosome at the anaphase stage of a bone marrow cell in our body has
A gene is said to be dominant, if
$DNA$ gyrase, the enzyme that participates in the process of $DNA$ replication is a type of
In the construction of chromosome maps, the evidence is derived mainly from
Which of the following group of codons is called stop codons ?