MCQOPTIONS
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MCQOPTIONS
This section includes 5 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. |
Multimeric forms of a plasmid may give rise to __________ |
| A. | tLow copy number |
| B. | tHigh copy number |
| C. | tPlasmid instability |
| D. | tPlasmid loss |
| Answer» D. tPlasmid loss | |
| 2. |
The par region from a plasmid such as Psc101 can be cloned into Pbr322. What is the function of this region? |
| A. | tMaintains stability |
| B. | tMaintains high copy number |
| C. | tMaintains cloning efficiency |
| D. | tAids in replication |
| Answer» B. tMaintains high copy number | |
| 3. |
Linking two plasmids by binding to their origin sites and thereby preventing replication is known as __________ |
| A. | tTransduction |
| B. | tHandcuffing |
| C. | tConjugation |
| D. | tTransfection |
| Answer» C. tConjugation | |
| 4. |
In the broad host-range plasmid Psc101, close to the origin, there is a gene repA. What is the importance of this gene? |
| A. | tIn deciding the host |
| B. | tIn transformation |
| C. | tIn replication |
| D. | tIn the survival of host |
| Answer» D. tIn the survival of host | |
| 5. |
Plasmids confer phenotypes to the host organism, some of the plasmids to which these phenotypic traits have not yet been ascribed are called ________ |
| A. | tUnique plasmids |
| B. | tResistance plasmid |
| C. | tQ-plasmids |
| D. | tCryptic plasmids |
| Answer» E. | |