bio

How does a noncompetitive inhibitor decrease the rate of an enzyme catalyzed reaction?

By binding to an allosteric site,thus changing the shape of the active site of the enzyme.

Which of the following statements describes the first law of thermodynamics?

Energy cannot be created or destroyed

)Which of the following statements about enzyme function is true?

Enzymes increase the rate of chemical reaction by lowering activation energy barriers.

blank is a regulatory mechanism in which the end products of a metabolic pathway inhibits an enzyme that catalysts an early step in the pathway.

Feedback inhibition

When chemical, transport, or mechanical work is done by an organism, what happens to the heat generated?

It is lost to the environment

Which of the following statements is true for a system at chemical equilibrium?

The system can do no work

Which of the following is an example of potential rather than kinetic energy?

a molecule of glucose.

If an enzyme in solution is saturated with substrate, the most effective way to obtain a faster yield of products is to

add more of the enzyme

Which of the following types of reactions would decrease the entropy within a cell?

anabolic reactions

Which of the following terms most precisely describes the cellular process of breaking down large molecules into smaller ones?

catabolism (catabolic pathways)