Spec 8461
Revise AQA GCSE Biology 4.2.3 Metabolism with the question bank, lessons, revision guides, and flashcards.
Students should be able to explain the importance of sugars, amino acids, fatty acids and glycerol in the synthesis and breakdown of carbohydrates, proteins and lipids. • The energy transferred by respiration in cells is used by the organism for the continual enzyme controlled processes of metabolism that synthesise new molecules. • Metabolism includes: the use of glucose and nitrate ions to form amino acids which in turn are used to synthesise proteins; respiration.
