1 Explain how CO2 enters leaves. What environmental factors control stomatal movement? How are these factors related to physical and chemical properties that control the opening and closing of stomata.
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2.What are primary stages in the photosynthetic carbon reduction (PCR) cycle? Explain the role of each stage. Draw a diagram of the stages by utilizing drawing tools in Microsoft Word to aid your explanation.
3.Explain how the ATP and NADPH produced by the photosynthetic electron transport chain are used in the PCR cycle.
4. What roles do light and Rubisco play in regulating the PCR cycle? Explain your answer.