Which of the following is the key difference between exons and introns?S. NoExonsIntronsIThey are non-coding sequencesThey are the coding sequencesIIThey are interrupted by IntronsThey appear in mature RNAIIIThey appear in mature RNAThey interrupt the sequences of the exonsIVThey are the unexpressed sequencesThey appear in non-coding sequences

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Which of the following is the key difference between exons and introns?<br><table><tr><td>S. No</td><td>Exons</td><td>Introns</td></tr><tr><td>I</td><td>They are non-coding sequences</td><td>They are the coding sequences</td></tr><tr><td>II</td><td>They are interrupted by Introns</td><td>They appear in mature RNA</td></tr><tr><td>III</td><td>They appear in mature RNA</td><td>They interrupt the sequences of the exons</td></tr><tr><td>IV</td><td>They are the unexpressed sequences</td><td>They appear in non-coding sequences</td></tr></table>