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Questions and Answers
What does the Michaelis-Menten equation describe?
What does the Michaelis-Menten equation describe?
- The variation of enzyme concentration with substrate velocity
- The variation of reaction velocity with substrate concentration (correct)
- The variation of reaction velocity with enzyme concentration
- The variation of substrate concentration with enzyme affinity
What does a low Km value indicate about enzyme affinity?
What does a low Km value indicate about enzyme affinity?
- High affinity (a low concentration of substrate is needed to half-saturate the enzyme) (correct)
- Low affinity (a high concentration of substrate is needed to half-saturate the enzyme)
- Indicates zero order kinetics
- No relationship to enzyme affinity
What does the Lineweaver-Burk plot represent?
What does the Lineweaver-Burk plot represent?
- 1 / vo versus 1/[S] to calculate Km and Vmax (correct)
- Enzyme concentration versus substrate velocity
- $V_{max}$ versus $K_m$
- Substrate concentration versus reaction velocity
What does competitive inhibition involve?
What does competitive inhibition involve?
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What does it mean when 1/$v_0$ is plotted versus 1/[S] and a straight line is obtained?
What does it mean when 1/$v_0$ is plotted versus 1/[S] and a straight line is obtained?
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