MCQ
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.

  • $(i) \;only$
  • B
    $(ii)\; only$
  • C
    $(i), (ii) \;and \;(iv)$
  • D
    $(i), (ii) \;and \;(iii)$

Answer

Correct option: A.
$(i) \;only$
a
$3$ codons do not code for any amino acid. Such codons are called non-sense codons or terminator codon. $Eg\; UAG, UAA \& UGA.$

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