OCR A Level Biology 2.1.4 Enzymes a) The role of enzymes in catalysing reactions that affect metabolism at a cellular and whole organism level To include the idea that enzymes affect both structure and function. b) The role of enzymes in catalysing both intracellular an extracellular reactions. To include catalase as an example of an enzyme that catalases intracellular reactions and amylase and trypsin as examples of enzymes that catalyse extracellular reaction. #Enzymes #ASBiology #BTECLevel3Science #OCRALevelBiology #AQAALevelBiology #IntracellularReactions #ExtracellularReactions #Catalase #Amylase #Trypsin Globular proteins video - https://youtu.be/PHwA3jiMPxw