A propionate kinase enzyme utilizes two substrates, propionate and acetate, with Km for propionate being half that of acetate. Which one of the following options about the rate of the reaction at very low substrate concentrations is correct?
1
The rate of propionate utilization is half that of acetate.
2
The rate of propionate utilization is double that of acetate.
3
The rate of propionate utilization is equal to that of acetate.
4
The rate of propionate utilization is four times that of acetate.