Question

Which of the following is NOT true concerning prokaryotic genes and their transcription? Select one: a....

Which of the following is NOT true concerning prokaryotic genes and their transcription?

Select one:

a. Prokaryotic gene transcription is initiated at the promoter.

b. Related prokaryotic genes may be transcribed together under the control of one promoter

c. After transcription, mRNA must be processed in order to promote transport into and stability in the cytoplasm.

d. Prokaryotic ORFs do not contain introns

e. Prokaryotic gene transcription is terminated at the transcription terminator.

Homework Answers

Answer #1

Option C is not correct,because in prokaryotic transcription and translation events occurs in couple. After transcription mRNA immediately translated into protein. So prokaryotic mRNA does not undergoes any post transcriptional modification like Eukatryotic capping and polyadenylation.

Whereas, other options are correct.

1.yes ,prokaryotic transcription initiated at specific promoter sequence of DNA.

b. Related gene are transcribed together under one promoter knows as operon.

D. Prokaryotic Open reading Frame do not contain intron. Because itron is a noncoding part of mRNA, but most prokaryotic gene is intronless

E. Prokaryotic gene transcription is terminated at the transcription terminator this statement also true

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