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Cell Biology 201

Cell Bio Test 2

QuestionAnswer
Chloroplast A plant organelle
Thylakoid Membranes High in protein, and have no cholesterol Photosynthetic membranes inside the chloroplasts Pigments, electron transport protein and the ATP synthetase are all on or in this
envelope membrane double membrane they are not photosynthetic membranes
Lumen aqueous area inside the Thylakoid
Stroma aqueous area outside the thylakoids
Is their a TCA cycle in Chloroplasts? No, they are different than mitochondria
In Mitochondria.. F1 faces the.. High H+ faces F1 faces the.. High H+ faces F1 faces the matrix High H+ faces the outside of the inner membrane
Chloroplast... CF1 faces the.. High H+ faces the CF1 faces the stroma High H+ faces the inside of the thylakoid membrane
Chloroplasts are like inside-out mitochondria
In mitochondria and chloroplasts H+ flux is.. coupled to ATP synthesis
In mitochondria and chloroplasts ATP is made when.. H+ flow from the low pH side to high pH side
Characteristics of Chloroplasts H2O oxidized to O2 Energy required (light) Makes sugars from CO2 H+ high inside thylakoids CF1 faces out H+ efflux during ATP synthesis
Characteristics of Mitochondria O2 reduced to H2O Energy produced (ATP) Makes CO2 from sugars H+ high outside inner membrane F1 faces in H+ influx during ATP synthesis -----------------------------17482639081
Overall Scheme of Photosynthesis light CO2 + H2O --> (CH2O)n + O2 carbohydrates CO2 is reduced to make carbs by reductive biosynthesis in the dark reaction requires ATP and NADPH from the light reactions
Light Reactions Convert light into energy stored in NADPH and ATP
In Light reactions, what is the initial e- donor to the electron transport chain water
Dark Reactions The NADPH and ATP made in the light reactions are used to make carbohydrates from CO2
Chloroplasts Use energy from light to make carbohydrates and generate O2
Mitochondria produce water and CO2 from carbohydrates and O2
Pathway for electron transport in chloroplast thylakoids H2O-> PSII ->PQ->ctyb6/f->PC->PSI->NADP+
PQ (plastoquinone) a lipid
Created by: abayomid
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