What is an enzyme, and what happens to it during the reaction?
A lipid that stores energy and changes into products during a specific reaction.
A mineral ion that stops unwanted reactions by permanently blocking the substrate.
A protein that acts as a biological catalyst, speeding up a specific reaction without being used up or changed.
A carbohydrate that provides energy for a specific reaction and is used up during the reaction.
1.3 Enzymes Flashcards
Flashcards for Edexcel GCSE Biology 1.3 Enzymes, covering the key terms, definitions and processes you need to recall for Paper 1 and Paper 2. 29 cards drawn from 1.3.1 Mechanism of enzyme action, 1.3.2 Denaturation of enzymes, 1.3.3 Factors affecting enzyme activity, and 1.3.4 Measuring energy in food by calorimetry, matched to the Edexcel GCSE Biology (1BI0) specification. Recall questions account for roughly 40% of marks at GCSE Biology, so these target the marks you can secure before the paper starts.