Some pesticides inhibit acetylcholinesterase, the enzyme that breaks down acetylcholine. Explain how these toxins would affect EPSPs produced by acetylcholine.

Which of the following terms describes the copper on the left side of the equation? (1) reactant (2) catalyst (3) enzyme (4) product

Thrombin is an enzyme that helps produce blood clotting when an injury and bleeding occur.

a. What would be the name of the zymogen of thrombin?

Select the correct answer for the following question:
As temperatures decrease, enzyme activity
a. increases.
b. remains unchanged.
c. ceases.
d. decreases.

For the same enzyme sample described in Problem $27$, what would your results show if a reversible inhibitor is present?

Use the lock-and-key analogy to explain why excessively acidic body fluids (acidosis) could destroy enzyme function

Which of the following is not a major activity of the stomach?

(A) storage

(C) nutrient absorption

(B) HCl production

(D) enzyme secretion

Keeping foods in the refrigerator helps make them last longer because the lower temperature _______ enzyme activity.

What effect did boiling and freezing have on enzyme activity? Why? How well did the results compare with your prediction?

To slow down a chemical reaction, what should you add?

A) catalyst

C) inhibitor

B) reactant

D) enzyme

Changing the temperature or pH can change an enzyme's shape. Explain how changing the temperature or pH might affect the function of an enzyme.

The phrase "form follows function" is particularly applicable to enzymes. Explain how form and function are closely related for enzyme molecules.

In the exercise concerning trypsin function, why was an enzyme assay such as Benedict’s or Lugol’s iodine (IKI), which test for the presence of a reaction product, not necessary?

Why was tube 1T necessary?

Why was tube 2T necessary?

Trypsin is a protease similar to pepsin, the protein-digesting enzyme in the stomach. Would trypsin work well in the stomach? Why?

Briefly explain why each of the following statements is false, or reword it to make it true.

The higher the temperature is, the faster an enzyme works.