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Which of the following regions of RNAs are translated?


Which of the following regions of RNAs are translated?

Select one:

a. 5′ UTR

b. exons

c. introns

d. 3′ UTR

e. poly-A

✅ Answers (1)

Private answer

b. exons
Exons are the regions of RNA that are translated.
RNA molecules are transcribed from DNA, and they contain both exons and introns. Exons are the coding regions of RNA that contain the genetic information necessary to produce proteins. Introns, on the other hand, are non-coding regions that do not contain the necessary genetic information and are spliced out of the RNA molecule before translation occurs.
During translation, the ribosome reads the sequence of codons in the mRNA molecule and translates it into a sequence of amino acids that make up a protein. This process takes place on the ribosome and involves the participation of transfer RNAs (tRNAs), which bring specific amino acids to the ribosome based on the codon sequence in the mRNA.
Therefore, only the exons are translated, as they contain the necessary information to produce a functional protein. The other regions of RNA, such as the 5′ UTR, 3′ UTR, and poly-A tail, have regulatory functions or play a role in RNA stability but are not directly involved in protein synthesis.

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Answered on June 12, 2020 4:25 pm

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