[问答题]
1.Sketch a graph to s026ub zmg6 rc ;e)rhvohow how increasing concentrations of substr6n+ g uwjb 4-w7htc39ncj qyo/ate affect enzyme activitcwhoy3/ -j 79c jnuwg+n tq4b6y.
2.Explain how the addition of a competitive inhibitor changes the activity of an enzyme.