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Questions and Answers
What is the primary function of carbon fixation in photosynthesis?
What is the primary function of carbon fixation in photosynthesis?
- To produce oxygen gas as a byproduct
- To release stored glucose for energy use
- To break down water molecules for electron transfer
- To convert carbon dioxide into a usable form by plants (correct)
How does limited light exposure impact the rate of photosynthesis in plants?
How does limited light exposure impact the rate of photosynthesis in plants?
- It increases the efficiency of the Calvin Cycle
- It decreases the activity of Rubisco enzyme
- It slows down the rate of carbon fixation (correct)
- It reduces the production of ATP and NADPH
What is the role of chlorophyll molecules in the light reactions of photosynthesis?
What is the role of chlorophyll molecules in the light reactions of photosynthesis?
- Absorb and transfer light energy to the reaction center (correct)
- Convert carbon dioxide into glucose in the stroma
- Facilitate the regeneration of RuBP in the Calvin Cycle
- Generate ATP and NADPH through chemiosmosis
Why is the electron transport chain important in the light reactions of photosynthesis?
Why is the electron transport chain important in the light reactions of photosynthesis?
Where are sugars made in the chloroplast?
Where are sugars made in the chloroplast?
Which of the following is a true statement concerning the role of redox reactions in photosynthesis and cellular respiration?
Which of the following is a true statement concerning the role of redox reactions in photosynthesis and cellular respiration?
Which of the following is not a difference between photosynthesis and cellular respiration?
Which of the following is not a difference between photosynthesis and cellular respiration?
What is the location of chlorophyll in a plant cell?
What is the location of chlorophyll in a plant cell?
Where do the reactions of the Calvin cycle take place?
Where do the reactions of the Calvin cycle take place?
Which of the following are produced during the light reactions of photosynthesis?
Which of the following are produced during the light reactions of photosynthesis?
Which of the following are produced during the dark reactions of photosynthesis?
Which of the following are produced during the dark reactions of photosynthesis?
Which of the following does the Calvin cycle involve?
Which of the following does the Calvin cycle involve?
How do the reaction centers of photosystems I and II differ?
How do the reaction centers of photosystems I and II differ?
Why do green plants appear green to human eyes?
Why do green plants appear green to human eyes?
During noncyclic electron flow, where are electrons replaced in photosystem I?
During noncyclic electron flow, where are electrons replaced in photosystem I?
What supplies the energy that excites P680 and P700 in photosystems I and II?
What supplies the energy that excites P680 and P700 in photosystems I and II?
What is used to transport H+ from the stroma to the thylakoid compartment in chemiosmosis?
What is used to transport H+ from the stroma to the thylakoid compartment in chemiosmosis?
Which step does not occur during the Calvin cycle?
Which step does not occur during the Calvin cycle?
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