MCQOPTIONS
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MCQOPTIONS
This section includes 12 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. |
If the energy required to break all non-covalent interactions between two molecules is 750 kJ/mol, then what is the total number of hydrogen bonds present between them? (Assume there are only hydrogen bonds between them and the bond energy of each hydrogen bond is 15 kJ/mol) |
| A. | 11,250 |
| B. | 25 |
| C. | 100 |
| D. | 50 |
| Answer» E. | |
| 2. |
Which among the following has the strongest interaction? |
| A. | Vander Waals interactions |
| B. | Ionic bonds |
| C. | Hydrogen bond |
| D. | Covalent bond |
| Answer» E. | |
| 3. |
Molecular complementarity leads to a lock-and-key fit between biomolecules. It is due to which type of interactions? |
| A. | Covalent bond |
| B. | Hydrophobic interactions only |
| C. | Ionic bonds only |
| D. | Non-covalent interactions |
| Answer» E. | |
| 4. |
Which of the following interactions determine the water solubility of uncharged molecules? |
| A. | Covalent bond |
| B. | Hydrophobic interactions |
| C. | Vander Waals interactions |
| D. | Hydrogen bond |
| Answer» E. | |
| 5. |
Which of the following has bonds in increasing order of their strength? |
| A. | Ionic bond > Covalent bond > Hydrogen bond > Hydrophobic interactions > Vander Waals interactions |
| B. | Covalent bond > Ionic bond > Hydrogen bond > Hydrophobic interactions > Vander Waals interactions |
| C. | Covalent bond > Hydrogen bond > Ionic bond > Hydrophobic interactions > Vander Waals interactions |
| D. | Covalent bond > Ionic bond > Hydrogen bond > Hydrophobic interactions > Vander Waals interactions |
| Answer» E. | |
| 6. |
The weak attractive forces of non-covalent interactions are not at all important for determining the properties and functions of biomolecules. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
Which of the following interactions involves charged groups? |
| A. | Hydrophobic interactions |
| B. | Disulfide bond |
| C. | Hydrogen bond |
| D. | Ionic bond |
| Answer» E. | |
| 8. |
Vander Waals force arises from the attraction between transient dipoles generated by the rapid movement of electrons around the neutral atom. |
| A. | False |
| B. | True |
| Answer» C. | |
| 9. |
Which among the following interactions is the weakest? |
| A. | Disulfide bond |
| B. | Peptide bond |
| C. | Ionic bond |
| D. | Hydrogen bond |
| Answer» E. | |
| 10. |
Covalent interactions are generally weaker than non-covalent interactions. |
| A. | True |
| B. | False |
| Answer» C. | |
| 11. |
Which of the following options contain only covalent interactions? |
| A. | Disulfide bond, Ionic bond |
| B. | Hydrogen bond, peptide bond |
| C. | Hydrogen bond, Ionic bond |
| D. | Disulfide bond, peptide bond |
| Answer» E. | |
| 12. |
Which of the following options contain only non-covalent interactions? |
| A. | Disulfide bond, Ionic bond |
| B. | Ionic bond, peptide bond |
| C. | Hydrogen bond, disulfide bond |
| D. | Hydrogen bond, Ionic bond |
| Answer» E. | |