Exam 6: Ground Rules of Metabolism

An enzyme is thought to optimize the fit between substrates by restraining and stretching or squeezing them into certain shapes and moving them to the transition state as described by the __________ model of enzyme activity.

The active site of an enzyme

Enzymes

All of the following result from an increase in entropy EXCEPT

Coenzymes such as NAD⁺ and NADP⁺

Which of the following statements about exergonic reactions is false?

All of the following are true of the process of phosphorylation EXCEPT that

In oxidation-reduction reactions, all of the following are true EXCEPT

In some cases, inhibitors or activators of enzyme-catalyzed reactions act by

The activation energy of a reaction refers to the minimum amount of energy

Enzyme activity may be affected by

Questions refer to the figure above. -An enzyme substrate complex is represented by

Enzyme activity may be affected by

The activation energy for a reaction

Currently, the most serious drug problem on campuses is

Endergonic reactions

All of the following are factors in enzyme-catalyzed reactions that work alone or in combination to lower the activation energy EXCEPT

Enzymatic reactions can be controlled by

Which of the following statements is true of metabolic pathways?

CO₂ and H₂O will not form glucose on their own because