Identify the following point mutations in $mRNA : UAU\ ACC\ UAU$ to $UAU\ AAC\ CUA$ and $UUG\ CUA\ AUA$ to $UUG\ CUG\ AUA$

In a cell, protein synthesis occurs by the linking together of amino acids. The base sequence of $mRNA$ defines the primary structure of proteins because

One codon codes for only one amino acid, hence the code is

What is false about $t\ RNA$

Which one of the following pairs of terms/names mean one and the same thing