Summary of Lipid Metabolism - Video Tutorials & Practice Problems

Regarding lipid metabolism, match the following terms with B-oxidation (A), Ketogenesis (B) or neither (C).

I.  ______ Acetoacetyl CoA

II. ______ Fructose

III. ______ The carnitine shuttle

IV. ______ Acyl CoA dehydrogenase

• A. I. (A), II. (C), III (A), IV. (B)
• B. I. (A), II. (C), III (A), IV. (A)
• C. I. (B), II. (C), III (A), IV. (A)
• D. I. (A), II. (B), III (A), IV. (C)

Determine which of the following processes occurs in the Mitochondrial Matrix (MM), Cytosol (C) or Exterior of the Cell (X).

I.  ______ Glycerol kinase converts glycerol to glycerol-3-phosphate.

II. ______ Hydrolysis of glycogen.

III. ______ FADH2 is oxidized to FAD.

IV. ______ The enzyme aconitase isomerizes citrate to isocitrate.

• A. I. (C), II. (C), III. (MM), IV. (X)
• B. I. (C), II. (C), III. (MM), IV. (MM)
• C. I. (C), II. (MM), III. (MM), IV. (MM)
• D. I. (X), II. (C), III. (MM), IV. (MM)

Which of the following statements is true?

• A. Both FA synthesis and glycolysis occur in the matrix.
• B. Oxidation of a secondary alcohol happens during Step 2 of glycerol metabolism. 
• C. Gluconeogenesis occurs within the mitochondrial membrane. 
• D. Ketogenesis begins with the decarboxylation reaction between 2 acetyl CoA molecules.