This lesson describes how respiration produces ATP by substrate-level and oxidative phosphorylation. The PowerPoint and accompanying resources are part of the 1st lesson in a series of 7 lessons which have been designed to cover the detailed content of point 5.2 (RESPIRATION) of the AQA A-level Biology specification.
As the first lesson in this sub-topic, it has been specifically planned to act as an introduction to this cellular reaction and provides important details about glycolysis, the Krebs cycle and oxidative phosphorylation that will support the students to make significant progress when these stages are covered during individual lessons. Students met phosphorylation in topic 5.1 when considering the light-dependent reactions of photosynthesis and their knowledge of the production of ATP in this plant cell reaction is called on a lot in this lesson to show the similarities. The students are also tested on their recall of the structure and function of ATP, as covered in topic 1.6, through a spot the errors task. By the end of the lesson, the students will be able to name and describe the different types of phosphorylation and will know that ATP is produced by substrate-level phosphorylation in glycolysis and the Krebs cycle and by oxidative phosphorylation in the final stage of aerobic respiration with the same name.
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Topic 5.2: Respiration (AQA A-level Biology)
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Topics 5.1 & 5.2: Respiration & photosynthesis (AQA A-level Biology)
Respiration and photosynthesis are two of the most commonly-assessed topics in the terminal A-level exams but can be the least well understood by students. These 11 lessons have been intricately planned to contain a wide range of activities that will engage the students whilst covering the key detail to try to deepen their understanding and include exam-style questions so they are prepared for these assessments. The following specification points in topics 5.1 and 5.2 of the AQA A-level Biology course are covered by these lessons: * The photoionisation of chlorophyll * The production of ATP and reduced NADP through the transfer of electrons and pumping of protons across the thylakoid membrane * Photolysis of water to produce protons, electrons and oxygen * The use of the products of the light-dependent reaction in the Calvin cycle * Carbon fixation involving RUBISCO * The reduction of GP to TP * The regeneration of RuBP from TP * The conversion of TP to organic substances * The environmental factors that limit the rate of photosynthesis * Respiration produces ATP * Glycolysis as the first stage of aerobic and anaerobic respiration * The conversion of pyruvate to ethanol or lactate using reduced NAD * The key details of the Link reaction, Krebs cycle and oxidative phosphorylation * The metabolic pathways of other respiratory substrates Due to the detail of these lessons, it is estimated that it will take in excess of a month of A-level lessons to cover these specification points If you would like to sample the quality of the lessons, download the chloroplast structure, anaerobic respiration and oxidative phosphorylation lessons as these have been shared for free
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Topic 5: Energy transfers in and between organisms (AQA A-level Biology)
Normally the first topic to be taught in the second year of the AQA A-level Biology course, topic 5 contains some very important biological processes which include photosynthesis, respiration and energy transfer between organisms. All 17 lessons included in this bundle are highly detailed and have been planned at length to ensure that students remain motivated and engaged whilst being constantly challenged on their current understanding. Links to previously-covered topics are also made throughout the lessons. The following specification points are covered in these lessons: TOPIC 5.1 * The light-dependent reaction of photosynthesis * The use of reduced NADP and ATP from the light-dependent reaction in the light-independent reaction * The light-independent reaction of photosynthesis * Environmental factors that limit the rate of photosynthesis TOPIC 5.2 * Respiration produces ATP * Glycolysis as the first stage of aerobic and anaerobic respiration * The conversion of pyruvate to lactate or ethanol in the anaerobic pathways * The link reaction and the Krebs cycle * Synthesis of ATP by oxidative phosphorylation * Other respiratory substrates TOPIC 5.3 * Gross primary production and net primary production * The net production of consumers * Farming practices designed to increase the efficiency of energy transfer TOPIC 5.4 * The role of microorganisms in the nitrogen cycle * The phosphorus cycle, including the role of saprobionts and mycorrrhizae * The use of artificial and natural fertilisers * The environmental issues arising from the use of fertilisers including leaching and eutrophication. If you would like to sample the quality of the lessons in this bundle, then download the chloroplast structure, anaerobic respiration, oxidative phosphorylation, GPP and phosphorus cycle lessons as these have been uploaded for free
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