MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Biochemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following contains only the sequences required for transposition and the genes for proteins that promote the process? |
| A. | Insertion sequences |
| B. | Complex transposons |
| C. | Transposons |
| D. | Chromosomes |
| Answer» B. Complex transposons | |
| 2. |
The sequences of the recombination sites recognized by site-specific recombinases are ____________ |
| A. | Partially asymmetric |
| B. | Partially symmetric |
| C. | Symmetric |
| D. | Palindromic |
| Answer» B. Partially symmetric | |
| 3. |
Which of the following process occurs in regions where no large –scale sequence similarity is apparent? |
| A. | Homologous genetic recombination |
| B. | Site specific recombination |
| C. | Non-homologous recombination |
| D. | Replicative recombination |
| Answer» D. Replicative recombination | |
| 4. |
Which of the following involves remarkable capacity of a short segment of DNA to move from one place to another? |
| A. | DNA transposition |
| B. | DNA replication |
| C. | Translation |
| D. | Transcription |
| Answer» B. DNA replication | |
| 5. |
THE_SEQUENCES_OF_THE_RECOMBINATION_SITES_RECOGNIZED_BY_SITE-SPECIFIC_RECOMBINASES_ARE?$ |
| A. | Partially asymmetric |
| B. | Partially symmetric |
| C. | Symmetric |
| D. | Palindromic |
| Answer» B. Partially symmetric | |
| 6. |
Which_of_the_following_contain_only_the_sequences_required_for_transposition_and_the_genes_for_proteins_that_promote_the_process? |
| A. | Insertion sequences |
| B. | Complex transposons |
| C. | Transposons |
| D. | Chromosomes |
| Answer» B. Complex transposons | |
| 7. |
Which of the following does not code for an enzyme having both helicase and nuclease activity? |
| A. | Rec-A |
| B. | Rec-B |
| C. | Rec-C |
| D. | Rec-D |
| Answer» B. Rec-B | |
| 8. |
Which of the following is called a resolvase? |
| A. | Ruv-C |
| B. | Ruv-A |
| C. | Ruv-B |
| D. | Rec-A |
| Answer» B. Ruv-A | |
| 9. |
Which of the following promotes branch migration at higher rates than does Rec-A? |
| A. | Rec-B |
| B. | Rec-C |
| C. | Rec-D |
| D. | Ruv-A and Ruv-B |
| Answer» E. | |
| 10. |
Which of the following occurs between particular short sequences present on otherwise dissimilar parental molecules? |
| A. | Homologous genetic recombination |
| B. | Site specific recombination |
| C. | Non-homologous recombination |
| D. | Replicative recombination |
| Answer» C. Non-homologous recombination | |
| 11. |
Which of the following process generates a new copy of the transposable element at a new location of DNA? |
| A. | Homologous genetic recombination |
| B. | Site specific recombination |
| C. | Non-homologous recombination |
| D. | Replicative recombination |
| Answer» E. | |
| 12. |
Which of the following process occurs in regions where no large –scale sequence similarity is apparent?$ |
| A. | Homologous genetic recombination |
| B. | Site specific recombination |
| C. | Non-homologous recombination |
| D. | Replicative recombination |
| Answer» D. Replicative recombination | |
| 13. |
Which of the following process occurs between DNA molecules of very similar sequences? |
| A. | Homologous genetic recombination |
| B. | Site specific recombination |
| C. | Non-homologous recombination |
| D. | Replicative recombination |
| Answer» B. Site specific recombination | |
| 14. |
Which of the following involves remarkable capacity of short segment of DNA to move from one place to another? |
| A. | DNA transposition |
| B. | DNA replication |
| C. | Translation |
| D. | Transcription |
| Answer» B. DNA replication | |