MCQOPTIONS
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MCQOPTIONS
This section includes 15 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. |
The Psac promoter in P-MUTIN vectors is inducible. |
| A. | tTrue |
| B. | tFalse |
| Answer» B. tFalse | |
| 2. |
Which promoter is used in P-MUTIN vectors? |
| A. | tLac |
| B. | tGal |
| C. | tTol |
| D. | tPsac |
| Answer» E. | |
| 3. |
Which reporter gene is used in P-MUTIN vectors? |
| A. | tAmp-R |
| B. | tLacZ |
| C. | tTet-R |
| D. | tGal |
| Answer» C. tTet-R | |
| 4. |
P-MUTIN are the vectors that perform directed insertional mutation in _________________ |
| A. | tS. aureus |
| B. | tSaccharomyces |
| C. | tB. subtilis |
| D. | tPseudomonas |
| Answer» D. tPseudomonas | |
| 5. |
To understand gene function, vectors have been developed for directed _________________ |
| A. | tMutagenesis |
| B. | tProtein production |
| C. | tGene activation |
| D. | tCancerous growth |
| Answer» D. tCancerous growth | |
| 6. |
Inclusion of a synthetic polypeptide in probe vector system can ________________ |
| A. | tEnhance secretion |
| B. | tDecrease secretion |
| C. | tDecrease size |
| D. | tIncrease size |
| Answer» B. tDecrease secretion | |
| 7. |
The S. aureus secreted nuclease is dimeric. |
| A. | tTrue |
| B. | tFalse |
| Answer» C. | |
| 8. |
The S. aureus-secreted nuclease is ______ amino acids long. |
| A. | t100 |
| B. | t168 |
| C. | t208 |
| D. | t68 |
| Answer» C. t208 | |
| 9. |
To avoid killing of bacterial colonies in the iodine detection assay, which of the following techniques can be used? |
| A. | tLigation |
| B. | tDissection |
| C. | tCloning |
| D. | tReplica Plating |
| Answer» E. | |
| 10. |
Which media is used in the culture of probe detection vectors? |
| A. | tStarch |
| B. | tGlucose |
| C. | tLactose |
| D. | tPectin |
| Answer» B. tGlucose | |
| 11. |
Iodine used for the detection of secreted amylase ________ the bacteria. |
| A. | tInactivates |
| B. | tKills |
| C. | tProduces |
| D. | tGrows |
| Answer» C. tProduces | |
| 12. |
In probe vectors that identify secret signals, the reporter gene codes for___________ |
| A. | tLactose |
| B. | tBeta amylase |
| C. | tAlpha amylase |
| D. | tAmylase |
| Answer» D. tAmylase | |
| 13. |
Two probe vectors were developed for the identification of secretion signals. These incorporated a gene from ___________ |
| A. | tStreptococcus |
| B. | tBacillus |
| C. | tPseudomonas |
| D. | tParasitoid |
| Answer» C. tPseudomonas | |
| 14. |
The export system of E. coli is ________ to that in mammals. |
| A. | tDifferent |
| B. | tSimilar |
| C. | tLarger |
| D. | tSmaller |
| Answer» B. tSimilar | |
| 15. |
What is nisin? |
| A. | tInducer |
| B. | tProtein |
| C. | tPromoter |
| D. | tSuppressor |
| Answer» B. tProtein | |