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Photosynthesis & CR

Biology Photosynthesis Review

QuestionAnswer
What are the parts of an ATP molecule? 1 Ribose 2 Adenine 3 Phosphate Groups
How can energy be released from ATP? Break a bond and release a phosphate.
How can energy be stored on ATP? ADP+P=ATP Add phosphate to store.
Be able to identify the parts of a chloroplast. *Stroma *Thylakoid *Granum
Be able to identify the parts of a mitochondrion. *Outer membrane *Matrix *Inner Membrane *Criste (Folds)
What happens during the light-dependent reactions? (List the products at each step. Sunlight and water is taken in and the product is Oxygen and NADPH & ATP.
Which products of the light dependent reactions are used to "fuel" the light independent reactions? NADPH and ATP
Where do light-dependent reactions occur? Thylakoids
Where do light-independent reactions occur? Stroma (Cytoplasm)
How are heterotrophs different from autotrophs? Heterotrophs-Consume food Autotrophs-Make their own food
How are the processes of photosynthesis and cellular respiration related? They are opposite processes. (Reactants of one are products of the other)
Another name for the light independent reactions is-- Calvin Cycle
When does water enter the reactions of photosynthesis? What is its purpose? Light Dependent Reaction To replace lost chlorophyll electrons
When does carbon dioxide enter the reactions of photosynthesis? Light Independent
Why are pigments necessary for photosynthesis? They trap sunlight.
What is the main pigment found in plants? Chlorophyll
What is the role of NADP+ and NAD+? To transport electrons.
Why do plants appear green? They reflect green light.
List the steps of Cellular Respiration. 1.) Glycolysis (2 pyruvic acids & 2 ATP) 2.)Krebs Cycle--if there is oxygen present (CO2 and 2 ATP) 3.)Electron Transport Change (H2O and 32 ATP)
How is Cellular Respiration different from Fermentation? If there is oxygen present you move into Cellular Respiration. If there is no oxygen present you move to Fermentation.
Where does each step of Cellular Respiration occur? In the Mitochondria
Where does Fermentation occur? Cytoplasm
Which is more efficient, Cellular Respiration or fermentation? Through Cellular Respiration you receive 36 ATP molecules. (More energy) Through Fermentation you receive 2 ATP molecules. (Less efficient)
Explain-- Photosynthesis "deposits" energy Cellular Respiration "withdraws" energy Photosynthesis--stored in food molecules Cellular Respiration--released from food molecules
Which organisms go through lactic acid fermentation? Us, animals, bacteria, fungi (most living things)
Which organism go through alcoholic fermentation? Yeast, some bacteria, and some plants
What is the equation for Photosynthesis? 6Co2 + 6H2O + Light Energy = C6H12O6 +6O2
What is the equation for Cellular Respiration? C6H12O6 + 6O2 = 6CO2 + 6H2O + Energy (ATP)
How many ATP can be produced through fermentation? 2
How can fermentation be used in the food industry? Alcoholic beverages, bread, cheese, yogurt, sour cream (alcohol, yeast, lactic acid)
What is required to begin glycolysis? 2 ATP and Glucose
What are the products of lactic acid fermentation? Lactic acid & NAD
What are the products of alcohol fermentation? Alcohol--Carbon Dioxide and NAD
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