A venipuncture glucose needs to be collected from a patient. The blood collected chart shows that you can only collect 2ml safely. You have only 4ml gray tubes in your tray. Which of the following actions should you take?

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