Can someone please help me answer the questions below and explain why did you pi

Question

Can someone please help me answer the questions below and explain why did you pick that answer?

Thanks

next 4 questions, use the velocity plot and based on Michaelis-Menten kinetics The portion of the graph pointed to by the arrow from -A- is best described by the following statement 1st order with respect to substrate, where [S] Km c. area where catalytic activity is measured d. defines the theoretical limit the enzyme for catalytic efficiency B A the area of the curve that is ½ Vmax What is the velocity equal to at -A-? a) [S] b) Vmax d) Km e) none of these The portion of the graph pointed by the arrow from -B- is best described by the following statement a. area of curve that occupies negative values in the Lineweaver-Burke plot b. 0h order with respect to substrate, where [S] >> Km c. 1st order with respect to substrate, where [S]

Explanation / Answer

1. b. 0th order with respect to substrate where [S] >> Km.

The velocity of reaction follows zero order at very high concentration of substarte (means independent of substrate concentration).

2. b. Vmax

At point A, the reaction velocity is maximum, ans is independent of substrate concentration.

3. 1st order with respect tp substrate, where [S] << Km

The velocity of reaction follows first order at very low concentration of substarte.

4. Slope = Km/ Vmax

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