2 6. The sequence within mRNA that are spliced out (removed) are called: b. Exon

Question

2 6. The sequence within mRNA that are spliced out (removed) are called: b. Exons c. Introns 7. Transcription occurs in the and translation occurs in the of eukaryotic cells. a. Nucleus; cytoplasm b. Cytoplasm; nucleus c. Cytoplasm; cytoplasm d. Nucleus; nucleus 8. Transcription occurs in the and translation occurs in the of prokaryotic cells. a. Nucleus; cytoplasm b. Cytoplasm; nucleus c. Cytoplasm; cytoplasm d. Nucleus; nucleus In the modification of eukaryotic mRNA, a "cap" consisting of a/anand a tail consisting of are usually added to the transcript a. Acetyl group; multinle citoni

Explanation / Answer

6. Answer is option C. Introns.

In pre mRNA both introns and exons are present. Before translation, the introns are removed and all exons are joined together.

7. Answer is option A. Nucleus, cytoplasm

In eukaryotes, both transcription and translation are uncoupled. They both occur independently at different times and different places.

8. Answer is option D. Nucleus, nucleus

In prokaryotes both transcription and translation are coupled. Y occur simultaneously at the same place.

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