Activities
Electron transport chain (2025)
Modelling the biochemical pathway of the electron transport chain is learned through the activities in this lesson. Using some simple slides students are introduced to the movement of H+ ions and electrons...
eBook
C1.2 Respiration - student friendly summary
Blue text shows extra clarification or guidance. Guiding questions• What are the roles of hydrogen and oxygen in the release of energy in cells?• How is energy distributed and used inside cells? SL and...
Activities
Cell Respiration (2025)
With the smell of caramel from the burning glucose filling the lab, students discuss the need for metabolic pathways in respiration. A card sorting activity helps students to outline the main ideas of...
Activities
Respiration experiments (2025)
Investigations of respiration in yeast and maggots can make effective respiration experiments. This activity suggests three options; the first looks a respiration rates in fly larvae and the second links...
Activities
HL Redox reactions and NAD (2025)
Students are introduced to redox reactions found in respiration. These involve oxidation and reduction occuring at the same time and often require the hydrogen carrier NAD+. phosphorylation and decarboxylation....
Activities
Inhibition of Enzymes HL (2025)
Following a quick review of enzyme inhibition students complete questions which help to form structured notes. A second activity is an analysis of an experiment testing the rate of an enzyme reaction...
eBook
C1.1 Enzymes & metabolism - revision quiz
This test contains a set of revision questions to help students prepare to be assessed on this topic. There are several question styles and answers with explanations....
Activities
Enzymes & Metabolic pathways (2025)
This activity is an introduction to the complex network of reactions that make us metabolism. The roles of enzymes as catalysts and the nature of anabolic and catabolic reactions. Through informative...
Activities
Enzymes & metabolism - model answers
These are suggested model answers for the activity Enzymes in metabolism - IB style questions , on the page Enzymes & Metabolic pathways (2025) As model answers they don't cover all the possible options...
Activities
Activation energy (2025)
This activity investigates the way the active site of an enzyme catalyses the reaction and reduces the activation energy. Students make structured notes using a worksheet then test their knowledge with...