19. Enzymes

Answer questions (a)–(e) concerning the following reaction:

b. Since hydrogens are removed, the enzyme belongs to what subclass of the enzyme class from part (a)?

Answer questions (a)–(e) concerning the following reaction:

c. What is the substrate for the reaction as written?

Answer questions (a)–(e) concerning the following reaction:

d. What is the product for the reaction as written?

Name an enzyme that acts on each molecule.

c. DNA

What general kinds of reactions do the following types of enzymes catalyze?

b. Decarboxylases

Name an enzyme that acts on each molecule.

a. Lactose

What general kinds of reactions do the following types of enzymes catalyze?

c. Lipases

Name an enzyme that acts on each molecule.

a. Amylose

Name an enzyme that acts on each molecule.

c. RNA

What classes of enzymes would you expect to catalyze the following reactions?

c.

What kind of reaction does each of these enzymes catalyze?

b. A transmethylase

What kind of reaction does each of these enzymes catalyze?

c. A reductase

Alcohol dehydrogenase (ADH) catalyzes the following reaction. To what class of enzymes does ADH belong?

Which of the following reactions can be catalyzed by a decarboxylase?

a.

b.

Identify and describe the chemical change in the lyase-catalyzed reaction in Table 19.4 that involves fumarate and malate. Identify the substrate(s) and product(s).