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Lac Operon

Introns are f...

Question

Introns are found in the circular chromosomes of prokaryotes.

A

True

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B

False

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Solution

The correct option is B False
Introns are only found in eukaryotes. When DNA transcription takes place in eukaryotes, the primary transcript contains both introns and exons. Introns are eventually removed in a process known as splicing before mature functional mRNA is formed. Mature mRNA contains exons only which have genes that are expressed.
So, the correct option is 'False'.

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Q. Assertion (A): In eukaryotes, both introns and exons are transcribed to form hnRNA.
Reason (R): Splicing is required in prokaryotes.

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1. Capping and tailing takes place in prokaryotes.
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4. Prokaryotes have introns.

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