The reason behind why E.Coli grows at a higher temperature in a complex medium than in a defined medium it is because <span>E. coli </span>doesn't need<span> the </span>matters<span> in a </span>complicated<span> membrane to </span>grow commonly<span>. </span>because the<span> temperature </span>receives better<span>, </span>reasons<span> a denaturation of enzymes that </span>might be<span> in a biosynthesis pathway.</span>