author unknown address unknown accessed unknown Respiration Photosynthesis

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  • author unknown address unknown accessed unknown Respiration Photosynthesis
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  • Play author unknown address unknown accessed unknown A. Cellular Respiration A. Cellular Respiration B. Glycolysis B. Glycolysis C. Aerobic Respiration C. Aerobic Respiration E. The Mitochondrion E. The Mitochondrion D. Chemiosmosis D. Chemiosmosis
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  • 1. Cellular respiration is redox reaction 2. C 6 H 12 O 6 + O 2 CO 2 + H 2 O + E 3. Oxidation involves the loss of electrons from an element a. frequently involves gaining oxygen or losing hydrogen 4. Reduction involves a gain of electrons b. frequently involves losing oxygen or gaining hydrogen_ A. Cellular Respiration author unknown address unknown accessed unknown
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  • 1. Cellular respiration is redox reaction 2. C 6 H 12 O 6 + O 2 CO 2 + H 2 O + E 3. Oxidation involves the loss of electrons from an element a. frequently involves gaining oxygen or losing hydrogen 4. Reduction involves a gain of electrons b. frequently involves losing oxygen or gaining hydrogen_ A. Cellular Respiration Glucose Carbon DioxideWater Oxygen Electrons & Hydrogen Energy is Released author unknown address unknown accessed unknown
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  • 5. ATP (adenosine triphosphate) has phosphate groups that are spring loaded a. ATP charged b. ADP uncharged 6. ATP is continuously converted to ADP and recycled back 7. Phosphorylation is a process in which ATP is made_ author unknown address unknown accessed unknown
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  • 5. ATP (adenosine triphosphate) has phosphate groups that are spring loaded a. ATP charged b. ADP uncharged 6. ATP is continuously converted to ADP and recycled back 7. Phosphorylation is a process in which ATP is made_ author unknown address unknown accessed unknown author unknown address unknown accessed unknown author unknown address unknown accessed unknown Click
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  • B. Glycolysis 1. Occurs in the cytoplasm in four stages: 2. Activation (Phosphorylation) of Glucose a. 2 ATP molecules are needed to provide the energy (i.e. a loss of 2 ATP) b. some rearrangement of molecule 3. Lysis- splitting 6C compound into two 3C molecules_ author unknown address unknown accessed unknown
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  • B. Glycolysis 1. Occurs in the cytoplasm in four stages: 2. Activation (Phosphorylation) of Glucose a. 2 ATP molecules are needed to provide the energy (i.e. a loss of 2 ATP) b. some rearrangement of molecule 3. Lysis- splitting 6C compound into two 3C molecules_ author unknown address unknown accessed unknown author unknown address unknown accessed unknown author unknown address unknown accessed unknown PlayClick
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  • 4. Oxidation- by the removal of hydrogen, picked up by NAD+ (a hydrogen-carrying co-enzyme) a. 2 NADH + H + 5. ATP formation a. 4 ATP are produced 6. Products of glycolysis: a. 2 pyruvate b. 2ATP c. 2 NADH + H + _ Play author unknown address unknown accessed unknown
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  • C. Aerobic Respiration 1. Aerobic respiration occurs in the mitochondria in eukaryotes 2. Events of respiration: a. the link reaction b. the Krebs cycle c. the role of NADH + H + d. the electron transport chain e. the role of oxygen_ author unknown address unknown accessed unknown
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  • C. Aerobic Respiration 1. Aerobic respiration occurs in the mitochondria in eukaryotes 2. Events of respiration: a. the link reaction b. the Krebs cycle c. the role of NADH + H + d. the electron transport chain e. the role of oxygen_ University of Arkansas at Little Rock http://www.ualr.edu/botany/plantcells.html accessed 21.11.07 University of Arkansas at Little Rock http://www.ualr.edu/botany/plantcells.html accessed 21.11.07 author unknown address unknown accessed unknown Click
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  • 3. The link reaction a. oxidative decarboxylation- each pyruvate is decarboxylated (CO 2 removed) b. removal of 2H and electrons to form one NADH + H + c. the remaining two-carbon molecule (acetyl group) reacts with reduced coenzyme A_ author unknown address unknown accessed unknown
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  • 3. The link reaction a. oxidative decarboxylation- each pyruvate is decarboxylated (CO 2 removed) b. removal of 2H and electrons to form one NADH + H + c. the remaining two-carbon molecule (acetyl group) reacts with reduced coenzyme A_ author unknown address unknown accessed unknown author unknown address unknown accessed unknown author unknown address unknown accessed unknown ClickPlay
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  • c. for each pyruvate, the result is: 1) 1 CO 2 2) 1 acetyl-CoA 3) 1 NADH + H + _ author unknown address unknown accessed unknown
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  • 4. The Krebs cycle a. each acetyl group (CH 3 CO) formed in the link reaction yields two CO 2 (decarboxylation) b. the hydrogen atoms removed are collected by hydrogen-carrying coenzymes (NAD + and FAD) 1) each NADH + H + results in 3 ATP 2) each FADH 2 results in 2 ATP_ author unknown address unknown accessed unknown
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  • 4. The Krebs cycle a. each acetyl group (CH 3 CO) formed in the link reaction yields two CO 2 (decarboxylation) b. the hydrogen atoms removed are collected by hydrogen-carrying coenzymes (NAD + and FAD) 1) each NADH + H + results in 3 ATP 2) each FADH 2 results in 2 ATP_ author unknown address unknown accessed unknown author unknown address unknown accessed unknown author unknown address unknown accessed unknown ClickPlay
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  • 5. One turn of the Krebs cycle yields: a. 2 CO 2 b. 3 NADH + H + c. 1 FADH 2 d. 1 ATP_ author unknown address unknown accessed unknown
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  • D. Chemiosmosis 1. Electron transport carriers are strategically arranged over the inner membrane of the mitochondrion 2. NADH + H + and FADH 2 are oxidized (by removal of H + and e - ) 3. e - pass from carrier to carrier (alternately oxidized- removal of e - and reduced- gain of e - )_ author unknown address unknown accessed unknown Play
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  • 4. Energy released pumps H + from the matrix into the intermembrane space against a concentration gradient (the proton pump) 5. Intermembrane space volume very small so rapid build up of H + concentration, more positive, more acid 6. H+ ions flow back into the matrix down a concentration gradient through special protein channels on stalked particles_ author unknown address unknown accessed unknown
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  • 7. The energy drives the synthesis of ATP by ATP synthetase in the stalked particles 8. Final H + and e - acceptor is oxygen making water_ author unknown address unknown accessed unknown Play
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  • E. The Mitochondrion 1. The structure of the mitochondrion relates to its function a. the cristae form a large surface area for the electron transport chain b. the small space between inner and outer membranes allows for accumulation of protons c. the fluid matrix contains enzymes of the Krebs cycle_ author unknown address unknown accessed unknown
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  • A. Photosynthesis A. Photosynthesis B. Light-dependent Reactions B. Light-dependent Reactions C. Chemiosmosis C. Chemiosmosis D. Light-independent Reactions D. Light-independent Reactions E. Action & Absorption Spectra E. Action & Absorption Spectra F. Limiting Factors F. Limiting Factors author unknown address unknown accessed unknown Play
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  • 1. Photosynthesis consists of light-dependent and light- independent reactions 2. CO 2 + H 2 O + E C 6 H 12 O 6 + O 2 3. Photosynthesis occurs in the chloroplast_ A. Photosynthesis author unknown address unknown accessed unknown
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  • 1. Photosynthesis consists of light-dependent and light- independent reactions 2. CO 2 + H 2 O + E C 6 H 12 O 6 + O 2 3. Photosynthesis occurs in the chloroplast_ A. Photosynthesis Electrons & Hydrogen OxygenGlucose WaterCarbon Dioxide Energy from the Sun author unknown address unknown accessed unknown
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  • 1. Photosynthesis consists of light-dependent and light- independent reactions 2. CO 2 + H 2 O + E C 6 H 12 O 6 + O 2 3. Photosynthesis occurs in the chloroplast_ A. Photosynthesis Electrons & Hydrogen OxygenGlucose WaterCarbon Dioxide Energy from the Sun author unknown address unknown accessed unknown author unknown address unknown accessed unknown author unknown address unknown accessed unknown Click
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  • author unknown address unknown accessed unknown 4. The structure of the chloroplast relates to its function. a. the large surface area of thylakoids for light absorption b. the small space inside thylakoids for accumulation of protons c. the fluid stroma for the enzymes of the Calvin cycle_
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  • Play author unknown address unknown accessed unknown 4. The structure of the chloroplast relates to its function. a. the large surface area of thylakoids for light absorption b. the small space inside thylakoids for accumulation of protons c. the fluid stroma for the enzymes of the Calvin cycle_ Chloroplast (photosynthesis) 1. Large SA of thylakoid membranes for light absorption 2. Small space inside thylakoids for rapid accumulation of H + 3. Fluid (stroma) with enzymes for the Calvin cycle Mitochondria ( respiration) 1. Large SA of inner membranes 2. Small space inside IMS for rapid accumulation of H + 3. Fluid (matrix) with enzymes for t