MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Bioprocess Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In a particular enzyme-catalyzed reaction, Vmax = 0.2 mol/sec and Km = 6 mM. Assume the enzyme shows standard Michaelis-Menten kinetics. What is the rate of the reaction when [S] = 20 mM? |
| A. | 0.155 |
| B. | 0.156 |
| C. | 0.153 |
| D. | 0.152 |
| Answer» D. 0.152 | |
| 2. |
In a particular enzyme-catalyzed reaction, Vmax = 0.2 mol/sec and Km = 5 mM. Assume the enzyme shows standard Michaelis-Menten kinetics. What is the rate of the reaction when [S] = 10 mM? |
| A. | 0.133 |
| B. | 0.331 |
| C. | 0.233 |
| D. | 0.332 |
| Answer» B. 0.331 | |
| 3. |
Linear inhibition is sometimes called as ____________ |
| A. | Complete inhibition |
| B. | Partial inhibition |
| C. | Incomplete inhibition |
| D. | Mixed inhibition |
| Answer» B. Partial inhibition | |
| 4. |
Unbinding of Enzyme- Substrate complex increases the reaction rate. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
Catalytic efficiency is defined as__________ |
| A. | k<sub>cat</sub>/K<sub>M</sub> |
| B. | K<sub>M</sub>/k<sub>cat</sub> |
| C. | K<sub>m</sub>/k<sub>0</sub> |
| D. | K<sub>m</sub>/k<sub>1</sub> |
| Answer» B. K<sub>M</sub>/k<sub>cat</sub> | |
| 6. |
Convert 35 K into C. |
| A. | 230.18 |
| B. | 238.15 |
| C. | -230.18 |
| D. | -238.15 |
| Answer» E. | |
| 7. |
Convert 35 C into K. |
| A. | 300.08 K |
| B. | 305.18 K |
| C. | 308.15 K |
| D. | 315.18 K |
| Answer» D. 315.18 K | |
| 8. |
What do you mean by the Turn- over number ? |
| A. | Occurrence of saturation |
| B. | Conversion of amount of substrate into product |
| C. | Conversion of amount of product into substrate |
| D. | Enzyme unbound with substrate |
| Answer» C. Conversion of amount of product into substrate | |
| 9. |
Refer to Q3, and estimate the unit of Km? |
| A. | kg mol m<sup>-2</sup> |
| B. | kg mol |
| C. | kg mol m<sup>-1</sup> |
| D. | kg mol m<sup>-3</sup> |
| Answer» E. | |
| 10. |
The relationship between reaction rate and reactant concentration is of which order from the following relation?rA = k1 CA |
| A. | Zero order |
| B. | First order |
| C. | Zero-First order |
| D. | Second order |
| Answer» C. Zero-First order | |
| 11. |
Which order represents Michelis-Menten kinetics? |
| A. | First-Second order |
| B. | Zero-First order |
| C. | Zero-Second order |
| D. | Second order |
| Answer» C. Zero-Second order | |