This fully-resourced lesson describes the three main stages of the Calvin cycle as fixation, reduction and regeneration. The detailed PowerPoint and accompanying resources have been designed to cover the content of point 13.1 (g) of the CIE A-level Biology specification and detailed planning ensures that continual links are made to the previous lesson on the light-dependent stage so that students understand how the products of that stage, ATP and reduced NADP, are essential for the Calvin cycle
The lesson begins with an existing knowledge check where the students are challenged to recall the names of structures, substances and reactions from the light-dependent stage in order to reveal the abbreviations of the main 3 substances in the Calvin cycle. This immediately introduces RuBP, GP and TP and students are then shown how these substances fit into the cycle. The main section of the lesson focuses on the three phases of the Calvin cycle and time is taken to explore the key details of each phase and includes:
- The role of RuBisCO in carbon fixation
- The role of the products of the light-dependent stage, ATP and reduced NADP, in the reduction of GP to TP
- The use of the majority of the TP in the regeneration of RuBP
A step-by-step guide, with discussion points where the class are given time to discuss the answer to selected questions, is used to show how 6 turns of the cycle are needed to form the TP that will then be used to synthesise 1 molecule of glucose. A series of exam-style questions are included at appropriate points of the lesson and this will introduce limiting factors as well as testing their ability to answer questions about this stage when presented with an unfamiliar scientific investigation. The mark schemes are included in the PowerPoint so students can assess their understanding and any misconceptions are immediately addressed.
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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 14 lessons 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 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
£22.00
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Topic 13: Photosynthesis (CIE A-level Biology)
This bundle contains 5 fully-resourced lessons which are highly detailed and will engage and motivate the students whilst the following content that is set out in topic 13 of the CIE A-level Biology specification is covered: Topic 13.1 * Energy transferred as ATP and reduced NADP from the light dependent stage is used during the Calvin cycle to produce complex organic molecules * The sites of the light-dependent and light-independent stages of photosynthesis * The light-dependent stage as the photoactivation of chlorophyll, the photolysis of water and the transfer of energy to ATP and reduced NADP * Cyclic and non-cyclic photophosphorylation * The three main stages of the Calvin cycle * The conversion of Calvin cycle intermediates to carbohydrates, lipids and amino acids Topic 13.2 * 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 The lesson PowerPoints and accompanying resources contain a wide range of tasks which include exam-style questions, whole class discussion periods and quiz competitions which are designed to introduce key terms and values in a memorable way.
£10.00
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