Biochemistry - RNA Structure

Exercise :: RNA Structure - Section 1

  • RNA Structure - Section 1
11. 

Which of the following is the smallest of the RNAs?

A. Messenger RNA
B. Transfer RNAs
C. Ribosomal RNAs
D. All of these

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

12. 

The mRNA from which of the following would contain a poly-A tail?

A. A restriction endonuclease from E. coli
B. Bacterial alpha-amylase
C. Human insulin
D. Bacteriophage DNA ligase

Answer: Option C

Explanation:

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13. 

What is the average size (in bp) of a mature t-RNA?

A. 80 bp
B. 100 bp
C. 120 bp
D. 140 bp

Answer: Option A

Explanation:

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14. 

What modified base is at the 5' extremity of a capped eukaryotic m-RNA?

A. 1-methyl-adenosine
B. 2'-O-methyl-guanosine
C. 7-methyl-guanosine
D. 1-methyl-guanosine

Answer: Option C

Explanation:

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15. 

What is the function of messenger RNA?

A. It carries amino acids
B. It is a component of the ribosomes
C. It is a direct copy of a gene
D. It is the genetic material of some organisms

Answer: Option C

Explanation:

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