This clear and detailed lesson describes the process of oxidative phosphorylation, including the roles of the electron carriers, oxygen and the mitochondrial cristae. The PowerPoint has been designed to cover points 12.2 (f) and (g) of the CIE International A-level Biology specification and includes details of the electron transport system, the flow of protons and ATP synthase.
The lesson begins with a discussion about the starting point of the reaction. In the previous stages, the starting molecule was the final product of the last stage but in this stage, it is the reduced coenzymes which release their hydrogen atoms. Moving forwards, the process of oxidative phosphorylation is covered in 7 detailed steps and at each point, key facts are discussed and explored in further detail to enable a deep understanding to be developed. Students will see how the proton gradient across the inner membrane is created and that the flow of protons down the channel associated with ATP synthase results in a conformational change and the addition of phosphate groups to ADP by oxidative phosphorylation. Understanding checks are included throughout the lesson to enable the students to assess their progress and prior knowledge checks allow them to recognise the clear links to other topics and modules.
This lesson has been written to tie in with the other uploaded lessons on glycolysis, the Link reaction and the Krebs cycle
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Topics 12 & 13: Respiration and photosynthesis (CIE A-level Biology)
Respiration and photosynthesis are two of the most commonly-assessed topics in the terminal A-level exams but are often poorly understood by students. These 16lessons have been intricately planned to contain a wide range of activities that will engage and motivate the students whilst covering the key detail to try to deepen their understanding and includes exam-style questions so they are fully prepared for these assessments. The following specification points in topics 12 and 13 of the CIE A-level Biology course are covered by these lessons: * The need for energy in living organisms * The features of ATP * The synthesis of ATP by substrate-level phosphorylation in glycolysis and the Krebs cycle * The roles of the coenzymes in respiration * The synthesis of ATP through the electron transport chain in the mitochondria and chloroplasts * The relative energy values of carbohydrates, lipids and proteins as respiratory substrates * Determining the respiratory quotient from equations for respiration * The four stages of aerobic respiration * An outline of glycolysis * When oxygen is available, pyruvate is converted into acetyl CoA in the link reaction * The steps of the Krebs cycle * Oxidative phosphorylation * The relationship between the structure and function of the mitochondrion * Distinguish between aerobic and anaerobic respiration in mammalian tissue and in yeast cells * Anaerobic respiration generates a small yield of ATP and builds up an oxygen debt * The products of the light-dependent stage are used in the Calvin cycle * The structure of a chloroplast and the sites of the light-dependent and light-independent stages of photosynthesis * The role of the chloroplast pigments * Absorption and action spectra * Using chromatography to separate the chloroplast pigments * The light-dependent stage of photosynthesis * The three stages of the Calvin cycle * The conversion of Calvin cycle intermediates to carbohydrates, lipids and amino acids * Explain the term limiting factor in relation to photosynthesis * Explain the effects of changes in light intensity, carbon dioxide concentration and temperature on the rate of photosynthesis * Explain how an understanding of limiting factors is used to increase crop yields in protected environments Due to the detail of these lessons, it is estimated that it will take up to 2 months of allocated A-level teaching time to cover the detail included in the slides of these lessons If you would like to sample the quality of the lessons, download the roles of the coenzymes, the Krebs cycle and the products of the Calvin cycle lessons as these have been shared for free
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Topic 12: Energy and respiration (CIE A-level Biology)
Topic 12 tends to be the 1st topic to be taught in the second year of the CIE A-level Biology course and these 9 lessons are filled with a wide variety of differentiated tasks that will immediately engage and motivate the students whilst ensuring that the detailed content is covered. It is critical that students understand how energy in the form of ATP is produced by aerobic and anaerobic respiration and are able to describe the energy-driven reactions like active transport that need this input. For this reason, the lessons contain multiple understanding checks which assess the students on their current knowledge as well as checking on their ability to link to previously-covered topics. The following specification points in topic 12 of the CIE A-level Biology specification are covered in these lessons: * The need for energy in living organisms * The features of ATP that make this molecule suitable as the energy currency * Substrate-level phosphorylation in glycolysis and the Krebs cycle * The role of the coenzymes in respiration * The involvement of the electron transport chain that's found in the mitochondria and chloroplast membranes in the production of ATP * The four stages of aerobic respiration * Glycolysis * The link reaction * The Krebs cycle * Oxidative phosphorylation * The structure of the mitochondrion * The differences between aerobic and anaerobic respiration * The oxygen debt If you would like to sample the quality of these lessons, then download the roles of the coenzymes and the Krebs cycle lessons as these have been uploaded for free
£14.00
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Topic 12.2: Respiration (CIE International A-level Biology)
Each of the 6 lessons in this bundle are fully-resourced and have been designed to cover the content as detailed in topic 12.2 (Respiration) of the CIE International A-Level Biology specification. The specification points that are covered within these lessons include: * The stages of aerobic respiration and their location in eukaryotic cells * Glycolysis as the first stage of aerobic and anaerobic respiration * Pyruvate is converted to acetyl CoA in the Link reaction * The series of reactions that form the Krebs cycle * The process and details of oxidative phosphorylation * The relationship between structure and function in the mitochondrion * Anaerobic respiration in mammalian tissue and yeast cells * The oxygen debt The lessons have been written to include a wide range of activities and numerous understanding and prior knowledge checks so students can assess their progress against the current topic as well as be challenged to make links to other topics within this topic and earlier topics If you would like to see the quality of the lessons, download the Krebs cycle lesson which are free
£8.00
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