Which of the following is genetically inert and does not transcribe messenger $RNA$ for protein synthesis
$DNA$ of euchromatin
$DNA$ of heterochromatin
$DNA$ of euchromatin and heterochromatin
None of the above
During replication of a bacterial chromosome $DNA$ synthesis starts from a replication origin site and
Match List $I$ with List $II$.
List $I$ | List $II$ |
$A$. Gene $a$ | $I.\; \beta$-galactosidase |
$B$. Gene $y$ | $II$. Transacetylase |
$C$. Gene $i$ | $III$. Permease |
$D$. Gene $z$ | $IV$. Repressor protein |
Choose the correct answer from the options given below:
Which of the following group of codons is called stop codons ?
During $DNA$ replication, the strands separate by