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Are exons responsible for the coding sequences in mRNA?

1. Yes, that is correct.
2. No, that is incorrect.
3. They are only partially involved in coding.
4. This does not apply.

Correct answer: Yes, that is correct.

Solution

Exons are the sequences in mRNA that code for proteins, while introns are non-coding regions removed during RNA splicing. Thus, the statement is true.

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