Photosynthesis and Cellular Respiration.docx - Photosynthesis Process by which plants and some other organisms use light energy to convert water and

Photosynthesis and Cellular Respiration.docx -...

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Photosynthesis: Process by which plants and some other organisms use light energy to convert water and carbon dioxide into sugars/starches and oxygen Sunlight + CO2 + H2O Glucose + Oxygen Light and Pigments: Not only does photosynthesis require light and CO2, but it also requires chlorophyll Chlorophyll is a pigment located in the chloroplast Pigments – Light absorbing pigments The plants main pigment is chlorophyll (Types A and B) Cellular Respiration: Glycolysis : One molecule of glucose is broken in half, producing two molecules of pyruvic acid and a 3-carbon compound (From 6 carbon to 3 carbon compound) Key Concepts: Occurs in the cytoplasm No oxygen required for glycolysis to occur Glucose is broken down into two 3-carbon pyruvates (pyruvic acid) Net production of 2 ATP, 2 NADH, and 2 pyruvate molecules Fermentation : releasing of energy from food molecules by producing ATP in the absence of oxygen Cellular respiration will NOT occur (Krebs and ETC) if oxygen is not present.
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  • Fall '19
  • Dr. Jenkins-Smith

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