function [ dXdt ] = KaraDismukeDE(t,X)
%this function defines the enzymatic DE
global V K

dXdt = zeros(size(X));

s = X(1);

dsdt = -V*s/(K+s);
dpdt = V*s/(K+s);

dXdt(1) = dsdt;
dXdt(2) = dpdt;

end