Question

1. Steps 6 and 8 of the citric acid cycles are _____ reactions.

1. phosphate-transfer
2. hydrolysis
3. oxidation–reduction
4. carboxylation

2. The 4-carbon intermediates of the citric acid cycle can be used for _____.

1. gluconeogenesis
2. fatty acid synthesis
3. nucleotide synthesis
4. glycolysis

3. Additional oxaloacetate for the citric acid cycle can be generated in one step from

1. pyruvate
2. glyoxylate
3. citrate
4. acetyl-CoA

4. ΔG°' for a reaction is 800 J · mol–1. What is ΔG at 37°C when the ratio of product to reactant concentrations is 0.6?

1. 640 J · mol–1
2. 2300 J · mol–1
3. –1300 J · mol–1
4. –520 J · mol–1

5. What effect might a deficiency of glycogen synthase induce?

1. Buildup of Glucose-6-phosphate
2. Buildup of Glucose-1-phosphate
3. Depletion of Glucose-1-phosphate
4. Buildup of UDP-glucose in the liver
5. Depletion of UDP-glucose in the liver

6. The most common glycogen storage disease is a defect in____?

1. Entry field with incorrect answer
2. Phosphofructokinase
3. Glycogen synthase
4. Phosphorylase kinase
5. Glycogen phosphorylase
6. Glucose-6-phosphatase

7. Which of the following impacts could occur from a defect in phosphorylase kinase?

1. Glycogen breakdown would be inhibited
2. Glycogen formation would be inhibited
3. Gluconeogenesis would be inhibited
4. Glycolysis would be inhibited
5. The pentose phosphate pathway would be inhibited

Answer 1