MCQOPTIONS
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MCQOPTIONS
This section includes 15 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 among the following amino acids is known as a helix breaker? |
| A. | Glycine |
| B. | Alanine |
| C. | Lysine |
| D. | Proline |
| Answer» E. | |
| 2. |
Ramachandran plot can be used to predict which of the following structure? |
| A. | Quaternary structure |
| B. | Tertiary structure |
| C. | Primary structure |
| D. | Secondary structure |
| Answer» E. | |
| 3. |
Which of the following amino acid is sterically hindered? |
| A. | Serine |
| B. | Alanine |
| C. | Glycine |
| D. | Proline |
| Answer» E. | |
| 4. |
Which of the following amino acid is sterically unhindered and is therefore found in loops/turns in protein tertiary structure? |
| A. | Tyrosine |
| B. | Tryptophan |
| C. | Proline |
| D. | Glycine |
| Answer» E. | |
| 5. |
Which of the following amino acids is an exception to the Ramachandran plot? |
| A. | Proline and lysine |
| B. | Alanine and Proline |
| C. | Valine and glycine |
| D. | Glycine and proline |
| Answer» E. | |
| 6. |
Right-handed alpha-helix allowed region is present in which of the following quadrants of Ramachandran plot? |
| A. | Fourth quadrant |
| B. | Second quadrant |
| C. | First quadrant |
| D. | Third quadrant |
| Answer» E. | |
| 7. |
Beta-sheets allowed region is present in which of the following quadrants of Ramachandran plot? |
| A. | First quadrant |
| B. | Third quadrant |
| C. | Fourth quadrant |
| D. | Second quadrant |
| Answer» E. | |
| 8. |
Left-handed alpha-helix allowed region is present in which of the following quadrants of Ramachandran plot? |
| A. | Fourth quadrant |
| B. | Third quadrant |
| C. | Second quadrant |
| D. | First quadrant |
| Answer» E. | |
| 9. |
Which of the following is also known as dihedral angles? |
| A. | Right angles |
| B. | Obtuse angles |
| C. | Acute angles |
| D. | Torsion angles |
| Answer» E. | |
| 10. |
There are two single bonds on either side of the peptide bond. What are the angles of rotation of these bonds known as? |
| A. | Tetrahedral angles |
| B. | Trihedral angles |
| C. | Monohedral angles |
| D. | Dihedral angles |
| Answer» E. | |
| 11. |
What is the span of rotation of dihedral angles? |
| A. | 0 to 90 |
| B. | 0 to 180 |
| C. | 0 to 180 |
| D. | 180 to 180 |
| Answer» E. | |
| 12. |
There is a limitation to the rotation of bonds on either side of the peptide bond, due to which of the following phenomenon? |
| A. | Hydrophobicity |
| B. | Resonance |
| C. | Electronegativity |
| D. | Steric hindrance |
| Answer» E. | |
| 13. |
Which of the following phenomenon results in the partial double-bond character of the peptide bond? |
| A. | Electronegativity |
| B. | Both resonance and steric hindrance |
| C. | Steric hindrance |
| D. | Resonance |
| Answer» E. | |
| 14. |
The peptide bond observes which of the following characters? |
| A. | Single bond |
| B. | Triple bond |
| C. | Complete double bond |
| D. | Partial double bond |
| Answer» E. | |
| 15. |
Proteins are made up of amino acids. These amino acids are linked together by which of the following bonds? |
| A. | Disulfide bond |
| B. | Hydrogen bond |
| C. | Ionic bond |
| D. | Peptide bond |
| Answer» E. | |