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Genetics - Section 2 Multiple Questions and Answers.
| 1. | Which of the following is the smallest of the RNAs? | ||
| A. | Messenger RNA | ||
| B. | Transfer RNAs | ||
| C. | Ribosomal RNAs | ||
| D. | All of these | ||
| 2. | 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 | ||
| 3. | What modified base is at the 5′ extremity of a capped eukaryotic m-RNA? | ||
| A. | 1-methyl-guanosine | ||
| B. | 1-methyl-adenosine | ||
| C. | 2′-O-methyl-guanosine | ||
| D. | 7-methyl-guanosine | ||
| 4. | What is the function of messenger RNA? | ||
| A. | What is the function of messenger RNA? | ||
| 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 | ||
| 5. | Retroviruses replicate via __________ intermediate | ||
| A. | RNA | ||
| B. | DNA | ||
| C. | mRNA | ||
| D. | rDNA | ||
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