MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Life Sciences knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In a living organism, strong interactions between molecules are formed by a certain type of bond. Name that? |
| A. | Hydrogen bonding |
| B. | Covalent bond |
| C. | Electrostatic interactions |
| D. | Van der Waals forces |
| Answer» C. Electrostatic interactions | |
| 2. |
Mark the correct statement which depicts the correct statement of protein assay? |
| A. | To determine the amount of protein |
| B. | To characterize the function of the protein |
| C. | To determine the structure of the protein |
| D. | To determine the sequence of the protein |
| Answer» B. To characterize the function of the protein | |
| 3. |
Proteolytic enzyme trypsin cleaves protein at which of these specific sites? |
| A. | Carboxyl side of Alanine, Glycine |
| B. | Carboxyl side of Lysin or Arginine |
| C. | Carboxyl side of aromatic amino acid |
| D. | The amino side of aromatic amino acid |
| Answer» C. Carboxyl side of aromatic amino acid | |
| 4. |
Which one of the following reagent is also known a Sanger’s reagent? |
| A. | 1-fluoro-2,4-dinitrobenzene (FDNB) |
| B. | Phenylisothiocyanate |
| C. | Cyanogen bromide |
| D. | β-mercaptoethanol |
| Answer» B. Phenylisothiocyanate | |
| 5. |
PROTEOLYTIC_ENZYME_TRYPSIN_CLEAVES_PROTEIN_AT_WHICH_OF_THESE_SPECIFIC_SITES??$ |
| A. | Carboxyl side of Alanine, Glycine |
| B. | Carboxyl side of Lysin or Arginine |
| C. | Carboxyl side of aromatic amino acid |
| D. | The amino side of aromatic amino acid |
| Answer» C. Carboxyl side of aromatic amino acid | |
| 6. |
In a living organism, strong interactions between molecules are formed by a certain type of bond. Name that?$ |
| A. | Hydrogen bonding |
| B. | Covalent bond |
| C. | Electrostatic interactions |
| D. | Van der Waals forces |
| Answer» C. Electrostatic interactions | |
| 7. |
Mark_the_correct_statement_which_depicts_the_correct_statement_of_protein_assay?$ |
| A. | To determine the amount of protein |
| B. | To characterize the function of the protein |
| C. | To determine the structure of the protein |
| D. | To determine the sequence of the protein |
| Answer» B. To characterize the function of the protein | |
| 8. |
Which one of the following reagent is also known a Sanger’s reagent?# |
| A. | 1-fluoro-2,4-dinitrobenzene (FDNB) |
| B. | Phenylisothiocyanate |
| C. | Cyanogen bromide |
| D. | β-mercaptoethanol |
| Answer» B. Phenylisothiocyanate | |
| 9. |
Among all the heat shock proteins which one is known as chaperonins? |
| A. | Hsp70 |
| B. | Hsp32 |
| C. | Hsp60 |
| D. | Hsp30 |
| Answer» D. Hsp30 | |
| 10. |
Which of these heat shock proteins prevent protein misfolding and maintain polypeptide chain in the unfolded state. |
| A. | Hsp60 |
| B. | Hsp28 |
| C. | Hsp70 |
| D. | Hsp32 |
| Answer» D. Hsp32 | |
| 11. |
Which of the following name is given to molecular chaperones? |
| A. | Allosteric protein |
| B. | Heat shock protein |
| C. | Denaturation protein |
| D. | Ribonuclease |
| Answer» C. Denaturation protein | |
| 12. |
Which sentence is INCORRECT regarding molten globule state of protein? |
| A. | Hydrophobic interaction among non-polar residues |
| B. | The collapsed state |
| C. | It is less compact |
| D. | The denatured state |
| Answer» E. | |
| 13. |
Which of them contains all the information required to fold the polypeptide chain in its 3-D structure? |
| A. | DNA sequences |
| B. | RNA |
| C. | Histone protein |
| D. | Amino acid sequences |
| Answer» E. | |
| 14. |
Chaperones are the molecular protein which assists in proper protein folding or prevents them from aggregating. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 15. |
Protein folding is a process in which a polypeptide folds in to ___________ |
| A. | 2-D structure |
| B. | Globular form |
| C. | 3-D structure |
| D. | Linear form |
| Answer» D. Linear form | |