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Questions and Answers
What is the primary function of the thylakoid membranes in chloroplasts?
What is the primary function of the thylakoid membranes in chloroplasts?
- To catalyze the Calvin cycle reactions
- To allow the diffusion of carbon dioxide into the chloroplast
- To store ATP and NADPH produced during photosynthesis
- To provide a site for the light reactions of photosynthesis (correct)
What is the overall chemical change that occurs during photosynthesis?
What is the overall chemical change that occurs during photosynthesis?
- 6 CO2 + 6 H2O → C6H12O6 + 6 O2
- 6 CO2 + 12 H2O + Light energy → C6H12O6 + 6 O2 (correct)
- C6H12O6 + 6 O2 → 6 CO2 + 6 H2O
- 6 O2 + 12 H2O → C6H12O6 + 6 CO2
What is the role of chlorophyll in the light reactions of photosynthesis?
What is the role of chlorophyll in the light reactions of photosynthesis?
- Chlorophyll acts as an electron acceptor, transferring electrons through the electron transport chain
- Chlorophyll absorbs light energy and transfers it to the reaction centers of Photosystem I and Photosystem II (correct)
- Chlorophyll splits water molecules, releasing hydrogen and oxygen as byproducts
- Chlorophyll catalyzes the Calvin cycle reactions, converting CO2 into organic molecules
What is the purpose of the Calvin cycle in the overall process of photosynthesis?
What is the purpose of the Calvin cycle in the overall process of photosynthesis?
What is the role of the electron transport chain in the light reactions of photosynthesis?
What is the role of the electron transport chain in the light reactions of photosynthesis?
What is the primary purpose of the electron transport chain in the light reactions of photosynthesis?
What is the primary purpose of the electron transport chain in the light reactions of photosynthesis?
What is the purpose of the thylakoid space in the chloroplast?
What is the purpose of the thylakoid space in the chloroplast?
What is the role of the proton gradient created across the thylakoid membrane during the light reactions?
What is the role of the proton gradient created across the thylakoid membrane during the light reactions?
Which of the following is a correct statement about the Calvin cycle?
Which of the following is a correct statement about the Calvin cycle?
What is the purpose of the three phases of the Calvin cycle (carbon fixation, reduction, and regeneration of the CO2 acceptor)?
What is the purpose of the three phases of the Calvin cycle (carbon fixation, reduction, and regeneration of the CO2 acceptor)?
How many molecules of CO2 must be fixed in the Calvin cycle to produce one molecule of glyceraldehyde 3-phosphate (G3P)?
How many molecules of CO2 must be fixed in the Calvin cycle to produce one molecule of glyceraldehyde 3-phosphate (G3P)?
What is the role of the enzyme rubisco in the Calvin cycle?
What is the role of the enzyme rubisco in the Calvin cycle?
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