Out of $64$ codons,$61$ codons code for $20$ different amino acids. What is this property of the genetic code called?

Khorana and his colleagues synthesized an $RNA$ molecule with a repeating sequence of $U$ and $G$ nucleotides. The $RNA$ sequence "$UGU\ GUG\ UGU\ GUG$" produced a tetrapeptide with alternating chains of cysteine and valine. The codons for cysteine and valine are, respectively:

The anticodon found on the $t-RNA$ for tryptophan amino acid is

What controls the primary structure of a protein?

During protein synthesis in an organism,the process stops at a certain point. Select the set of codons from the following that can terminate this process.

The genetic code is composed of .......