Stages and Roles of Catabolism

Question 1

Stage 1

Answer 1

Digestions of Macromolecules into subunits (Lipids, Carbohydrates, and Proteins)

Question 2

Lipids breakdown into

Answer 2

fatty acids and glycerol

Question 3

Carbohydrates breakdown into

Answer 3

glucose and other sugars

Question 4

Proteins break down into

Answer 4

Amino Acids

Question 5

Stage 2

Answer 5

Breakdown of subunits into an oxidized form (acetyl-SCoA)

Question 6

Stage 3

Answer 6

Acetyl-SCoA oxidized to produce CO2 and reduced coenzymes (citric acid cycle)

Question 7

Stage 4

Answer 7

Oxidative phosphorylation to produce ATP and H2O (electron transport chain)