Photosynthesis - PDST



Photosynthesis Learning OutcomesStudents should be able to do the following for Higher Level PhotosynthesisDefine the term: photosynthesis.Express photosynthesis as a balanced reaction.State the nature of photosynthesis from the syllabus – what are the main events?State the role & location of chlorophyll.Explain the nature of electron carriage.Identify the sources of light , CO2 & water for photosynthesis.Explain how human intervention can play a role in photosynthesis.Explain the role of ATP Explain the production of ATP from ADPExplain the role NADP+ in trapping & transferring electrons & H ions.Explain the Light Stage/Dark Stage 12. State the two-pathway system of electron carriage. 1. Direct to chlorophyll 2. Trapped by NADP+Practical Work: Investigate influence of light intensity on rate of photosynthesisPhotosynthesis: Self-AssessmentGreen : I know it allOrange : I have some idea – study the sections in more detail Red :I need to start studying this section GreenOrangeRed1Define the term photosynthesis2Can you write the balanced equation for photosynthesis?3Where is chlorophyll found in the cell?4What is the function of chlorophyll?5Where does the supply of electrons come from and what are they used for?6Where do plants get 1Light, 2 Carbon Dioxide and 3 Water from?7How can humans increase or decrease the rate of photosynthesis?8What is ATP, what is its role in the cell?9How does ADP become ATP and gain more energy?10What is NAD+ reduced to? What function does this molecule then have?11Describe accurately what happens in the Light Stage and Dark Stage of photosynthesis12Electrons can take two possible pathways in the light stage of photosynthesis describe these pathways, what are the products of each pathway and what are the products used for?13Practical : To Investigate the influence of light intensity or carbon dioxide on the rate of photosynthesisDraw a labelled diagram to show how you would carry out this investigation ................
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