For the following questions answer them individually
In the heart, as the action potential reaches the AV node from the SA node, there is a delay of the action potential. This delay is important because :
Consider the following statments and choose the correct option :
(a)Six codons do not code for any amino acid
(b)Codon is read in m-RNA in a contiguous fashion
(c))Three codons function as stop codons
(d) The initiator codon AUG codes for methionine