Researchers discovered that carbon fixation in spinach leaves utilizes 45,000 molecules of ATP and 30,000 molecules of NADPH in an hour. The deficit in ATP required for carbon fixation is most directly made up for by which of the following processes?

The light reactions supply the Calvin cycle with ________.

Which of the following processes is driven by the free energy released as electrons move through photosystem II and I in the thylakoid membranes?

What happens when electrons are passed from one atom to a more electronegative atom?

How is photosynthesis similar in C4 plants and CAM plants?

Which of the following statements best explains how the membranes in winter wheat are able to remain fluid in extremely cold temperatures?

Which of the following molecules is the primary reducing agent in the Calvin cycle reactions?

Which of the following statements best describes a characteristic of C4 plants?

Which of the following processes is driven by the free energy released as electrons move through photosystem II and I in the thylakoid membranes?

How is photosynthesis similar in C4 plants and CAM plants?