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Ch. 10 Photosynthesis. Converting Solar Energy into Chemical Energy…here we go!. Overview of Energy Transfer. Net Equation for Photosynthesis:. Net Equation for Aerobic Respiration:. Overview of Energy Transfer. solar energy.
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Ch. 10 Photosynthesis Converting Solar Energy into Chemical Energy…here we go!
Overview of Energy Transfer Net Equation for Photosynthesis: Net Equation for Aerobic Respiration:
Overview of Energy Transfer solar energy Why are photosynthesis and cellular respiration often considered opposites of each other? Photosynthesis chloroplast CO2 + H2O C6H12O6 + O2 Cellular Respiration mitochondrion ATP! excess heat
Thomas Englemann Experiment Procedure: Results: Conclusion:
Thomas Englemann Experiment Procedure: Results: Conclusion:
Photosynthesis – the basics! cytoplasm H2O CO2 solar energy stroma NADP ADP 2. Calvin cycle 1. Light Reactions thylakoid membrane ATP NADPH chloroplast C6H12O6 O2
Light Reactions – the details! primary acceptor H2O e- O2 light energy e- chlorophyll photosystem I photosystem II
Light Reactions – the details! primary acceptor e- primary acceptor e- e- NADP NADP Reductase NADPH H2O light energy O2 e- light energy e- photosystem I photosystem II
Light Reactions – the details! primary acceptor e- primary acceptor e- e- NADP NADP Reductase ETC NADPH Cytochrome complex H2O ETC involved in making ATP light energy O2 e- light energy e- ATP! photosystem I photosystem II
How ATP is made in the ETC of the thylakoid membrane… stroma light energy PI PII e- e- H2O O2 thylakoid membrane
How ATP is made in the ETC of the thylakoid membrane… stroma light energy light energy PI NADP PII e- e- e- e- NADPH NADP Reductase H2O Calvin cycle O2 thylakoid membrane
How ATP is made in the ETC of the thylakoid membrane… stroma light energy light energy PI NADP PII e- e- e- e- NADPH NADP Reductase H2O Calvin cycle O2 thylakoid membrane
How ATP is made in the ETC of the thylakoid membrane… ETC becomes proton pump! H+ H+ H+ H+ Calvin cycle H+ H+ H+ H+ X ADP ATP
Some plants have adaptations in regard to photosynthesis in order to survive arid environments. Why would these adaptations be necessary?
Practice #1 • When light strikes chlorophyll molecules, they lose electrons, which are ultimately replaced by _____. A. splitting of water B. breaking down ATP C. removing them from NADPH D. fixing carbon E. oxidizing glucose
Practice #1 • When light strikes chlorophyll molecules, they lose electrons, which are ultimately replaced by _____. A. splitting of water B. breaking down ATP C. removing them from NADPH D. fixing carbon E. oxidizing glucose
Practice #2 • Which of the following is produced by the light reactions of photosynthesis and consumed by the Calvin cycle? A. sugar B. oxygen C. water D. NADPH and ATP E. ADP + Pi
Practice #2 • Which of the following is produced by the light reactions of photosynthesis and consumed by the Calvin cycle? A. sugar B. oxygen C. water D. NADPH and ATP E. ADP + Pi
Practice #3 • Carbon dioxide is utilized in photosynthesis during A. the light reactions. B. the Krebs cycle. C. the Calvin cycle. D. the electron transport chain. E. ATP synthesis.
Practice #3 • Carbon dioxide is utilized in photosynthesis during A. the light reactions. B. the Krebs cycle. C. the Calvin cycle. D. the electron transport chain. E. ATP synthesis.
Practice #4 • Which of the following is NOT a product of the light reactions of photosynthesis? A. oxygen B. sugar C. high-energy electrons D. ATP E. NADPH
Practice #4 • Which of the following is NOT a product of the light reactions of photosynthesis? A. oxygen B. sugar C. high-energy electrons D. ATP E. NADPH
Practice #5 • The overall function of the Calvin cycle is _____. A. capturing sunlight B. producing carbon dioxide C. making sugar D. oxidizing glucose E. splitting water
Practice #5 • The overall function of the Calvin cycle is _____. A. capturing sunlight B. producing carbon dioxide C. making sugar D. oxidizing glucose E. splitting water
Practice #6 • The O2 released during photosynthesis comes from A. H2O B. CO2 C. NADPH D. RuBP E. C6H12O6
Practice #6 • The O2 released during photosynthesis comes from A. H2O B. CO2 C. NADPH D. RuBP E. C6H12O6
Practice #7 • Which of the following enzymes is responsible for CO2 fixation in C3 plants? A. Succinate dehydrogenase B. Hexokinase C. Amylase D. DNA polymerase E. RuBP carboxylase
Practice #7 • Which of the following enzymes is responsible for CO2 fixation in C3 plants? A. Succinate dehydrogenase B. Hexokinase C. Amylase D. DNA polymerase E. RuBP carboxylase
Practice #8 • Which of the following is the process in which O2 is released as a by-product of oxidation-reduction reactions? A. glycolysis B. Krebs cycle (citric acid cycle) C. Calvin cycle D. Light Reactions E. chemiosmosis
Practice #8 • Which of the following is the process in which O2 is released as a by-product of oxidation-reduction reactions? A. glycolysis B. Krebs cycle (citric acid cycle) C. Calvin cycle D. Light Reactions E. chemiosmosis