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12. The function of a ribosome is A. To direct transcription B. To process pre-m

ID: 1430 • Letter: 1

Question

12. The function of a ribosome is

A.      To direct transcription

B.      To process pre-mRNAs intomature mRNAs.

C.      To hold mRNA and tRNAs in thecorrect postions to enable translation.

D.      To make more mRNA

E.       To attach amino acidsonto the appropriate tRNAs.

13. Which of the following is a characteristicof a rho-dependent terminator?

A.      Hairpin loop

B.      Termination requires ATP

C.      Rich in AT nucleotides

D.      Both A and B

E.       All of the above

14. Where does translation take place?

A.      In the cytoplasm

B.      In the nucleus

C.      In the nucleolus

D.      Anywhere in the cell

E.       In the centriole

Explanation / Answer

12. The function of a ribosome is

A.      To direct transcription

B.      To process pre-mRNAs intomature mRNAs.

C.      To hold mRNA and tRNAs in thecorrect postions to enable translation.

D.      To make moremRNA

E.       To attach amino acidsonto the appropriate tRNAs.

13. Which of the following is a characteristicof a rho-dependent terminator?

A.      Hairpin loop

B.      Termination requiresATP

C.      Rich in AT nucleotides

D.      Both A and B

E.       All of the above

14. Where does translation take place?

A.      In thecytoplasm

B.      In the nucleus

C.      In the nucleolus

D.      Anywhere in the cell

E.       In the centriole