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. |
In which region in the YAC vector is the new DNA inserted in a cloning experiment? |
| A. | TEL |
| B. | CEN4 |
| C. | ORIGIN |
| D. | SUP4 |
| Answer» E. | |
| 2. |
What do the sequences TEL signify in a YAC vector? |
| A. | Telomeres |
| B. | Origins |
| C. | Gene center |
| D. | Centromere |
| Answer» B. Origins | |
| 3. |
What is the CEN4 region in the YAC vector? |
| A. | DNA from centromere |
| B. | DNA from telomere |
| C. | DNA from origin |
| D. | Bacterial DNA |
| Answer» B. DNA from telomere | |
| 4. |
Which of the following is not present in a YAC3 vector? |
| A. | TRP1 |
| B. | URA3 |
| C. | CEN4 |
| D. | Amp |
| Answer» E. | |
| 5. |
What is pYAC3? |
| A. | Yeast artificial chromosome |
| B. | Plasmid vector |
| C. | Hybrid of phage and plasmid |
| D. | Yeast chromosome |
| Answer» B. Plasmid vector | |
| 6. |
What is an artificial chromosome? |
| A. | Isolated from in vivo |
| B. | Created in the test tube |
| C. | Chromosome of a yeast |
| D. | A bacterial chromosome |
| Answer» C. Chromosome of a yeast | |
| 7. |
What are the origins of replication? |
| A. | Gene component |
| B. | Initiation sites |
| C. | Initiation codons |
| D. | Stop codons |
| Answer» C. Initiation codons | |
| 8. |
What are telomeres? |
| A. | Origin |
| B. | Ends |
| C. | Chromosomal ends |
| D. | Gene component |
| Answer» D. Gene component | |
| 9. |
What are YAC vectors? |
| A. | Yeast artificial vectors |
| B. | Yeast aggregative vectors |
| C. | Yeast artificial chromosomes |
| D. | Yeast aggregative chromosomes |
| Answer» D. Yeast aggregative chromosomes | |
| 10. |
YRP recombinants are extremely unstable. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
Despite their low copy number, why are YIPs still used? |
| A. | Stable recombinants |
| B. | Easy availability |
| C. | Star activity |
| D. | Wider host range |
| Answer» B. Easy availability | |
| 12. |
Why are copy numbers important in a cloning experiment? |
| A. | Maximum expression |
| B. | Ease of manipulation |
| C. | Cost efficiency |
| D. | Availability of stock |
| Answer» B. Ease of manipulation | |
| 13. |
Which of the following has the lowest copy number per cell? |
| A. | YEPs |
| B. | YIPs |
| C. | YRPs |
| D. | YACs |
| Answer» C. YRPs | |
| 14. |
What is the approximate copy number of Yeast Episomal plasmids? |
| A. | 20-50 |
| B. | 2-5 |
| C. | 100-200 |
| D. | 500 |
| Answer» B. 2-5 | |