Unit 4.4 Catabolysm of food

Question 1

What are carbodydrates digested and broken down into?

Answer 1

Polysaccharides (glucose enters glycolysis) and mono- and di-saccharides (glucose + fructose enters glycolysis directly) are first burn for energy, or second store as glycogen, or third burn off as heat

Question 2

What are proteins digested and broken down into?

Answer 2

Chains of amino acids are used for first protein synthesis, or second burn for energy, or third rarely converted to glucose to fat.

Question 3

What are fat (lipids) digested and broken down into?

Answer 3

Triglycerides are first burn for energy if carbohydrates and proteins unavailable and store as fat.