1. The reaction below can be described as (it is not B!) a.oxidative deamination

Question

1. The reaction below can be described as (it is not B!)

a.oxidative deamination

b.reductive deamination

c.transamination

d.the Cori cycle

glutamine+pyruvate<->a-ketoglutarate+alanine

2. The reaction below can be described as (it is not A!)

a.oxidative deamination

b.reductive deamination

c.transamination

d.the Cori cycle

a-ketoglutarate+NH4+<-glutamate dehydrogenase->L-glutamate+H2O

3. A glucogenic amino acid is one which is degraded to (not B)

a. a-ketoglutarate

b.either acetyl CoA or acetoacetyl CoA

c. pyruvate or citric acid cycle intermediates

d. none of the above

4. Which of the following is NOT true of the target tissues and activates pathways for epinephrine? (not A)

a. adipose tissue, lipolysis

b. heart muscle, B-oxidation, glycolysis

c. skeletal muscle, B-oxidation, glycogenesis

d. liver: B-oxidaton, gluconeogenesis, glycogenolysis

5. Which of the following is NOT a fate for the key junction compound ACoA? (not c)

a. synthesis of fatty acids

b. carboxylation to form pyruvate

c. degradation in the TCA cycle

d. formation of ketone bodies

Explanation / Answer

1.c.transamination

2.d.the Cori cycle

3.c. pyruvate or citric acid cycle intermediates

4.b. heart muscle, B-oxidation, glycolysis

5.a. synthesis of fatty acids

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