e pathway energy would take beginning with a photon striking ere does this energy reside at the end of the light reactions? At the hotosynthesis?

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Plant Bio

**Topic: Photosynthesis Energy Pathway**

**Question:**

E. Write the pathway energy would take beginning with a photon striking Photosystem I (PSI). Where does this energy reside at the end of the light reactions? At the end of photosynthesis?

**Explanation:**

This question explores the energy transformation process during photosynthesis, focusing on the role of Photosystem I (PSI). When a photon is absorbed by PSI, it initiates a series of reactions that contribute to the light-dependent reactions of photosynthesis. The energy is transferred through an electron transport chain, leading to the production of NADPH and ATP, which are essential for the Calvin cycle (the light-independent reactions). At the end of photosynthesis, the energy initially absorbed by PSI is stored in glucose molecules, which can be used by the plant for growth and energy.
Transcribed Image Text:**Topic: Photosynthesis Energy Pathway** **Question:** E. Write the pathway energy would take beginning with a photon striking Photosystem I (PSI). Where does this energy reside at the end of the light reactions? At the end of photosynthesis? **Explanation:** This question explores the energy transformation process during photosynthesis, focusing on the role of Photosystem I (PSI). When a photon is absorbed by PSI, it initiates a series of reactions that contribute to the light-dependent reactions of photosynthesis. The energy is transferred through an electron transport chain, leading to the production of NADPH and ATP, which are essential for the Calvin cycle (the light-independent reactions). At the end of photosynthesis, the energy initially absorbed by PSI is stored in glucose molecules, which can be used by the plant for growth and energy.
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