Before a fatty acid can undergo β-oxidation, it must be activated and then shuttled across the inner mitochondrial membrane. The activating agent and shuttle molecule are, respectively:   A. CoA and carnitine   B. CoA and citrate   C. acetyl CoA and carnitine   D. acetyl CoA and citrate

Lysine is degraded to acetoacetyl-CoA then to acetyl-CoA, and is described as a ­­­­_______ amino acid. a.polar b.glucogenic c.keto-gluco d.ketogenic

Define the following terms: a. ketogenic amino acid b. glucogenic amino acid c. L-amino acid oxidase d. Krebs urea cycle e. CPSI

which statement is true for the following reaction?

Explain why the hydrolysis of the following compounds releases energy.    A. phosphoenol pyruvate    B. 1,3-diphosphoglycerate    C. succinyl CoA

Which of the following statements about the "central role" of TCA is/are correct? a. Some metabolic intermediates of TCA are used as non-carbohydrate sources for gluconeogenesis. b. β-oxidation of lipids produces acetyl-CoA that can enter TCA. c. All metabolic intermediates in TCA are used in the biosynthesis of amino acids.  d. Degraded amino acids are converted to metabolic intermediates of TCA, then to ketone bodies.

Match the description with the correct enzyme : A. Glucose 6-phosphate dehydrogenase Serves a as a direct link between citric acid cycle and electron transport chain B. Succinate dehydrogenase v Uses alpha-keto carboxylic acid as a substrate C. Alcohol dehydrogenase Does not contribute electron carriers to oxidative phosphorylation D. NADH dehydrogenase E. Isocitrate dehydrogenase F. Pyruvate dehydrogenase complex

When one acetyl CoA is processed through the citric acid cycle, how many times does each of the following events occur? a. A FAD molecule is a reactant. b. A CoA-SH molecule is produced. c. A dehydrogenase enzyme is needed for the reaction to occur. d. A C5 molecule is produced.

Pyruvate is transformed to Acetyl-CoA in one of two ways: a. in the cytoplasm by an oxidative carboxylation process b.Through the mitochondrial matrix's oxidative decarboxylation mechanism C. In the mitochondrial matrix, via a dehydration process d.Through the liver's glucose-6-phosphatase

The formation of acetyl CoA... A) occurs in the mitochondrial matrix, after moving across the outer and inner mitochondrial membrane. B) occurs in the cytoplasm prior to transport into the mitochondrial matrix. C) involves activation of acyl groups derived from pyruvate. D) A and C E) B and C