1.4 Metabolism as a series of enzyme controlled reactions

Question 1

define the term Metabolism

Answer 1

• a series of enzyme controlled reactions (all reactions of a body
• a combination of anabolic + catabolic reactions

Question 2

describe what happens in an anabolic reaction

Answer 2

(ana = build)
- enzyme controlled synthesis of more complex substances from simpler ones (protein synthesis)

Question 3

describe what happens in an catabolic reaction

Answer 3

(cata = break down)
- break down of complex substances into simpler ones, with release of energy
(protein digestion)