In order to meet the criteria for obsessive-compulsive disorder, a person's compulsive rituals must take more than one hour each day. moreover, the symptoms cannot be due to drug use or the presence of other disorders. what aspects of the dsm system are illustrated by these diagnostic criteria

Asolution of an enzyme and a substrate was placed in a water bath and the temperature of the reaction was raised gradually. the graph shown was plotted at the end of the experiment. what can be concluded from the graph? a) temperature has no effect on the activity of the enzyme. b) the effect of temperature on the enzyme is unpredictable. c) the enzyme shows increased activity up to a certain temperature. d) the activity of the enzyme is inversely proportional to the temperature.