Which of the following is $NOT$ a main characteristic of the genetic code?

$A$ change in which of the following leads to an alteration in the sequence or number of amino acids in a protein?

Streptomycin,kanamycin,and neomycin bind to the small subunits of prokaryotic ribosomes and cause:

$A$ single base mutation in a gene may not 'always' result in loss or gain of function. Do you think the statement is correct? Defend your answer.

During protein synthesis in an organism,at one point the process comes to a halt. Select the group of the three codons from the following,from which any one of the three could bring about this halt.

When more than one codon codes for the same amino acid,this is called as