Balbiani discovered special type of chromosome from the salivary gland of Chironomus larva which are recognized by the presence of
Bands
Loops
Both bands and loops
All of the above
Which one of the following hydrolyses internal phosphodiester, bonds in a polynucletide chain
$TATA$ box of eukaryotic promotor lies
Balbiani rings are found in ……
$A$ : Nutritional mutant strain of pink mould is auxotroph.
$R$ : It is not able to prepare its own metabolites from the raw materials obtained from outside
The possibility of three letter genetic code was pointed out by