Select the incorrect statement$(s)$.
$i.$ Six codons do not code for any amino acid.
$ii.$ Codon is read in $mRNA$ in a contiguous fashion.
$iii.$ Three codons function as stop codons.
$iv.$ The initiation codon $AUG$ codes for methionine.

  • A
    $(i) \text{ only}$
  • B
    $(ii) \text{ only}$
  • C
    $(i), (ii) \text{ and } (iv)$
  • D
    $(i), (ii) \text{ and } (iii)$

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What is meant by degenerate code?

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$A$ naturally occurring coding strand composed of alternating $C$ and $U$ residues would result in the formation of

Statement $I$: The codon $\text{UAA}$ codes for lysine.
Statement $II$: Genetic code is usually ambiguous.
In the light of the above statements,choose the correct answer from the options given below.

Which amino acid is encoded by only a single codon?

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