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_____ releases energy that is used to pump hydrogen ions from the stroma into the thylakoid compartment.
_____ splits water into 1/2 O2, H+, and e- .
Energized electrons from ____ enter an electron transport chain and are then used to reduce NADP+.
In the electromagnetic spectrum, the type of radiation that we call visible light occurs between _____.
Which of the following is a product of the light reactions of photosynthesis?
When light strikes chlorophyll molecules, they lose electrons, which are ultimately replaced by _____.
Photosynthesis is a redox reaction. This means that H2O is _____ during the light reactions and CO2 is _____ during the Calvin cycle.
In the thylakoid membranes, what is the main role of the pigment molecules in a light-harvesting complex?
Which of the events listed below occurs in the light reactions of photosynthesis?
Assume a thylakoid is somehow punctured so that the interior of the thylakoid is no longer separated from the stroma. This damage will have the most direct effect on which of the following processes?
What does the chemiosmotic process in chloroplasts involve?
In a plant cell, where are the ATP synthase complexes located?
Which of the following statements best describes the relationship between photosynthesis and respiration?
In photosynthetic cells, synthesis of ATP by the chemiosmotic mechanism occurs during
Which statement correctly describes how O2 production would be affected? (Assume that the light intensity does not change.)
Which process produces oxygen?
What is the importance of the light-independent reactions in terms of carbon flow in the biosphere?
Which of the following molecules is the primary product of photosystem I?
What is the biological significance of the light-independent reactions of photosynthesis?
Which of the following statements best describes the relationship between the light-dependent and light-independent reactions of photosynthesis?
Which of the following reactions ensures that the Calvin cycle can make a continuous supply of glucose?
Which of the following products of the light reactions of photosynthesis is consumed during the Calvin cycle?
C4 plants differ from C3 and CAM plants in that C4 plants _____.
C4 plants occur more commonly in desert conditions because _____.
CAM plants keep stomata closed in daytime, thus reducing loss of water. They can do this because they
The alternative pathways of photosynthesis using the C4 or CAM systems are said to be compromises. Why?
Which of the following sequences correctly represents the flow of electrons during photosynthesis?
How is photosynthesis similar in C4 plants and CAM plants?
Which of the following statements is a correct distinction between autotrophs and heterotrophs?
In mechanism, photophosphorylation is most similar to
Which process is most directly driven by light energy?
What is the basic role of CO2 in photosynthesis?
Select the correct statement about the Calvin cycle.