Find kcat for a reaction in which Vmax is 4 × 10⁻⁴ L⁻² and the reaction mixture contains one microorganism of enzyme.
a. 2 × 10⁻⁴ s⁻¹
b. 4 × 10⁻⁴ s⁻¹
c. 1 × 10⁻⁴ s⁻¹
d. 8 × 10⁻⁴ s⁻¹