MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Vector Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is a source of Poly(A) sites, incorporated into mammalian vectors? |
| A. | tMouse beta-globin |
| B. | tBovine serum albumin |
| C. | tMaltose binding protein |
| D. | tAgrobacterium |
| Answer» B. tBovine serum albumin | |
| 2. |
What are polyadenylation signals? |
| A. | tInducers |
| B. | tTerminators |
| C. | tPromoters |
| D. | tReplicons |
| Answer» C. tPromoters | |
| 3. |
An epstein-barr virus causes a latent infection. |
| A. | tTrue |
| B. | tFalse |
| Answer» B. tFalse | |
| 4. |
Which type of infection is caused by the human BK virus? |
| A. | tViral |
| B. | tLytic |
| C. | tLatent |
| D. | tCarcinogenic |
| Answer» D. tCarcinogenic | |
| 5. |
What function does an oncoprotein serve? |
| A. | tControlled cell proliferation |
| B. | tCeased cell proliferation |
| C. | tUncontrolled cell proliferation |
| D. | tInitiates cell proliferation |
| Answer» D. tInitiates cell proliferation | |
| 6. |
What is the function of the T-antigen of SV40 viral vectors? |
| A. | tGenome replication |
| B. | tTranslation |
| C. | tTranscription |
| D. | tConjugation |
| Answer» B. tTranslation | |
| 7. |
How many proteins are produced during the first stage of SV40 infection cycle? |
| A. | t1 |
| B. | t2 |
| C. | t3 |
| D. | t4 |
| Answer» C. t3 | |
| 8. |
Transcription in SV40 is controlled by ___________ |
| A. | tRegulatory element |
| B. | tLate genes |
| C. | tEarly genes |
| D. | tPromoter |
| Answer» B. tLate genes | |
| 9. |
Which is the first virus to be developed as an animal vector? |
| A. | tPapillomavirus |
| B. | tSV40 |
| C. | tAdenovirus |
| D. | tHIV |
| Answer» C. tAdenovirus | |
| 10. |
Polyomavirus vectors such as SV40 are used especially for ____________ |
| A. | tGene expression |
| B. | tGene manipulation |
| C. | tRecombinant proteins |
| D. | tHybrid vector production |
| Answer» D. tHybrid vector production | |
| 11. |
Simian Virus 40 (SV40) is an example of ____________ |
| A. | tCaulimovirus |
| B. | tPolyomavirus |
| C. | tPlant virus |
| D. | tRetrovirus |
| Answer» C. tPlant virus | |
| 12. |
The CAT gene confers antibiotic resistance. |
| A. | tTrue |
| B. | tFalse |
| Answer» B. tFalse | |
| 13. |
What is CAT ? |
| A. | tRepressor gene |
| B. | tPromoter |
| C. | tReporter gene |
| D. | tHybrid vector |
| Answer» D. tHybrid vector | |
| 14. |
What is reporter genes used for? |
| A. | tTo confirm transformation |
| B. | tTo confirm transfection |
| C. | tTo induce expression |
| D. | tTo cease expression |
| Answer» B. tTo confirm transfection | |