Exam 17: The Organic Chemistry of Metabolic Pathways

A coenzyme frequently encountered in transamination reactions is

Instructions: Consider the reaction below to answer the following questions: -Refer to instructions. Draw arrows on the structure below showing electron flow in this reaction.

All of the following describe $\beta$ -oxidation, except:

What reaction does glutamate dehydrogenase (GDH) catalyze?

Instructions: Match a term or structure from the list below to each of the following definitions or names. -Discoverer of the glycolysis pathway.

Instructions: Match a term or structure from the list below to each of the following definitions or names. -Pyridoxal phosphate, the cofactor in transaminations.

Instructions: Match a term or structure from the list below to each of the following definitions or names. -Pathways that break down larger biomolecules into smaller ones.

Instructions: Match a term or structure from the list below to each of the following definitions or names. -The product of the citric acid cycle, which is a reactant in the first step.

Instructions: Match a term or structure from the list below to each of the following definitions or names. -Reactions that put smaller molecules together to synthesize larger biomolecules.

The key functional group in the PLP-dependent transamination of an $\alpha$ -amino acid is an activated

Consider the structure of amylopectin below to answer the following questions. a)Circle the glycosidic links that are hydrolyzed in the small intestine. b)What is the final product of complete hydrolysis of amylpectin?

What is the structure of the $\alpha$ -keto acid formed by transamination of the amino acid isoleucine?

During the complete catabolism of a molecule of glucose, the ultimate fate of the carbon atoms are

Consider the deamination of serine to answer the following questions. a)Draw the structure of the $\alpha$ -keto acid produced by the deamination of serine. b)What is the fate of the amino group in serine when this conversion occurs in a mammalian system?

The source of oxygen for $\beta$ -oxidation is:

Draw and name the major product of the reaction of $\alpha$ -glucose with ATP.

Which group of small molecules best fit the boxes associated with the reaction shown?

How many molecules of acetyl CoA are produced in the catabolism of stearic acid?

Draw the product of the following reaction, which is involved in the catabolism of triacylglycerols.

What amino acid is the following $\alpha$ -keto acid derived from?