A lack of interest in things, wanting to avoid people, hallucinations, delusions, and/or disorganized thinking and speech, are possible symptoms of what mental health disorder?

Feedback mechanisms regulate the rate of enzyme activity, effectively "turning off' an enzyme in a reversible way until more product is needed. which of the following would be most effective as a feedback mechanism? a. reduced concentration of product b. increased concentration of substrate c. a change in ph d. temporary binding of a non-substrate molecule in the active site