9. Photosynthesis

What is the primary role of chlorophyll in photosynthesis?

How did cyanobacteria affect Earth's early atmosphere?

The light-harvesting complex of a photosystem in a green plant contains a large number of:

In the process of photosynthesis, where does the carbon used to synthesize glucose primarily come from?

How do plants and animals help to maintain a balance of carbon dioxide (\(\mathrm{CO_2}\)) in the atmosphere?

Which of the following are the main products produced during photosynthesis in plants?

Which statement accurately describes the energy needs for photosynthesis and cellular respiration?

Why might plants grown with less light sometimes grow taller than plants grown with more light?

Which of the following is one way to determine that a nutrient is essential for photosynthesis in plants?

Which organic compound produced during photosynthesis is used by plants to store energy?

Which of the following best describes the overall energy change in photosynthesis?

In the water cycle, clouds form as a result of which process?

Which of the following does *not* show a simplified version of the photosynthesis reaction?

What is the role of companion cells in the movement of sugars through plants during photosynthesis?

During which part of the water cycle is energy absorbed by water?