MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Protein Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the DNA sequence that encodes the homeodomain known as? |
| A. | Zinc fingers |
| B. | H-T-H motifs |
| C. | Leucine zippers |
| D. | Homeobox |
| Answer» E. | |
| 2. |
Which of the following DNA-binding motif functions as transcriptional regulators, especially during eukaryotic development? |
| A. | Zinc fingers |
| B. | Leucine zippers |
| C. | H-T-H motif |
| D. | Homeodomain |
| Answer» E. | |
| 3. |
What are the genes that regulate the development of body patterns called? |
| A. | Developmental genes |
| B. | Growth genes |
| C. | Activator genes |
| D. | Homeotic genes |
| Answer» E. | |
| 4. |
The lac repressor has which of the following DNA-binding motifs? |
| A. | Leucine zippers |
| B. | Zinc fingers |
| C. | Homeodomain |
| D. | H-T-H motif |
| Answer» E. | |
| 5. |
From the H-T-H motif, only one of the two -helical segments is called the recognition helix. |
| A. | False |
| B. | True |
| Answer» C. | |
| 6. |
The H-T-H structure is inherently very stable. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
What is the average length of the -helical segments in the H-T-H motif? |
| A. | 13 15 amino acid residues |
| B. | 11 19 amino acid residues |
| C. | 10 15 amino acid residues |
| D. | 7 9 amino acid residues |
| Answer» E. | |
| 8. |
What is the average length of the H-T-H motif? |
| A. | 30 amino acid residues |
| B. | 50 amino acid residues |
| C. | 100 amino acid residues |
| D. | 20 amino acid residues |
| Answer» E. | |
| 9. |
Which DNA-binding motif has two short helical segments separated by a turn? |
| A. | H-L-H |
| B. | Leucine zipper |
| C. | Zinc fingers |
| D. | H-T-H |
| Answer» E. | |
| 10. |
Which among the following is not a DNA-binding motif? |
| A. | H-T-H |
| B. | Zinc fingers |
| C. | Homeodomain |
| D. | Homeobox |
| Answer» E. | |
| 11. |
Which of the following is a feature of a lac repressor? |
| A. | It is a dimer |
| B. | It is a trimer |
| C. | It is a monomer |
| D. | It is a tetramer |
| Answer» E. | |
| 12. |
Which of the following interactions majorly imparts specificity to most of the protein-DNA contacts? |
| A. | Hydrophobic interaction |
| B. | Covalent interactions |
| C. | Disulfide bonds |
| D. | Hydrogen bonds |
| Answer» E. | |
| 13. |
Which of the following proteins have discrete DNA-binding domains? |
| A. | Excretory proteins |
| B. | Plasma membrane proteins |
| C. | Catalytic proteins |
| D. | Regulatory proteins |
| Answer» E. | |
| 14. |
Considering the specificity of the protein-DNA interaction in the case of regulatory proteins it can be concluded that there is a particular amino acid-base code. |
| A. | True |
| B. | False |
| Answer» C. | |