Which triplet codons were first deciphered by Khorana?

Which of the following statements is $NOT$ true regarding the genetic code?

$A$ single amino acid can be specified by more than one codon. What are such codons called?

For the genetic code,choose the correct option for the given statements. Where $T$ stands for True and $F$ stands for False.
$(1)$ Phenylalanine $(Phe)$ amino acid is coded by more than three codons.
$(2)$ The codon is read in $t-RNA$ in a contiguous fashion.
$(3)$ $UUC$ would code for phenylalanine.
$(4)$ $AUG$ codes for Methionine.

Who was awarded the Nobel Prize for the synthesis of an artificial gene?

$A$ single amino acid can be specified by more than one codon. Such codons are called ......... codons.