Which one of the following statements about RNA processing is correct? (A) Exons are cut out before mRNA leaves the nucleus. (B) Ribozymes may function in RNA splicing. (C) RNA splicing can be catalyzed by tRNA. (D) A primary transcript is often much shorter than the final RNA molecule that leaves the nucleus.

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23-08-2022
Biology

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Which one of the following statements about RNA processing is correct? (A) Exons are cut out before mRNA leaves the nucleus. (B) Ribozymes may function in RNA splicing. (C) RNA splicing can be catalyzed by tRNA. (D) A primary transcript is often much shorter than the final RNA molecule that leaves the nucleus.

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AakanshaC AakanshaC · Answer 1 · 2022-08-31T11:25:39+02:00

The correct statement is that the ribozymes may function in RNA splicing.

Non-proteinaceous RNA enzymes are known as ribozymes. They function as molecules that catalyze reactions in which RNA is the catalyst. Within the nucleic acid molecules, these molecules have the capacity to both break and create covalent bonds. RNA splicing may be facilitated by ribozymes. Despite having a small chemical repertoire, they have a wide range of biological functions and are essential for the three kingdoms of life. They are involved in the maturation of transfer RNA, intron splicing, the replication of RNA viruses or viroids, the control of messenger RNA stability, and protein synthesis.

To learn more about ribozymes and splicing here,

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