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This section includes 10 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. |
Which of the following feature is pertaining to the passive model of the refolding of proteins? |
A. | Both ATP and GTP are required |
B. | GTP hydrolysis |
C. | ATP hydrolysis |
D. | No energy expenditure |
Answer» E. | |
2. |
Which of the following is not a model for the refolding of misfolded proteins? |
A. | Passive model |
B. | Active model |
C. | Iterative model |
D. | Intermediate model |
Answer» E. | |
3. |
Which of the following is the protein Cap of barrel-shaped bacterial Hsp60 like proteins? |
A. | BIP |
B. | TCP 1 |
C. | GroEL |
D. | GroES |
Answer» E. | |
4. |
Which of the following event increases the diameter of the barrel (Hsp60)? |
A. | Binding of only cap protein |
B. | Binding of the only ATP |
C. | Hydrolysis of ATP |
D. | Binding of ATP and a protein cap |
Answer» E. | |
5. |
Which of the following is a complex protease, used to destroy protein molecules? |
A. | Ubiquitin |
B. | Chaperone |
C. | Proteosome |
D. | Proteasome |
Answer» E. | |
6. |
What is the fate of misfolded proteins when attempts to refold it fail? |
A. | Sent back to the ribosome |
B. | Stored in vacuole |
C. | Kept in the cytosol |
D. | Destroyed by proteolysis |
Answer» E. | |
7. |
A misfolded protein or a protein with the abnormally exposed hydrophobic region is not merely useless to the cell, they can be dangerous. |
A. | False |
B. | True |
Answer» C. | |
8. |
Which of the following does not lead to exposure of hydrophobic amino acids on the surface of a protein? |
A. | Failed to fold correctly |
B. | Protein suffered an accident |
C. | Failed to find its normal partner subunit |
D. | Proper folding of proteins |
Answer» E. | |
9. |
What are the Hsp60 like proteins called in bacterial cells? |
A. | BIP |
B. | TCP 1 |
C. | GroES |
D. | GroEL |
Answer» E. | |
10. |
Which of the following proteins help in the refolding of proteins in Endoplasmic Reticulum? |
A. | TCP 1 |
B. | GroES |
C. | GroEL |
D. | BIP |
Answer» E. | |