McqMate
| Q. |
Which of the following is true about Michaelis-Menten kinetics? |
| A. | km, the michaelis constant, is defined as that concentration of substrate at which enzyme is working at maximum velocity |
| B. | it describes single substrate enzymes |
| C. | km, the michaelis constant is defined as the dissociation constant of the enzyme- substrate complex |
| D. | it assumes covalent binding occurs between enzyme and substrate |
| Answer» B. it describes single substrate enzymes | |
| Explanation: km is defined as the concentration of substrate at which enzyme is working at half of maximum velocity. it is also a measure of the affinity that the enzyme has for its substrate. michaelis-menten kinetics assumes non-covalent binding between enzyme and substrate. | |
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