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Questions and Answers
Photosystem II directly generates NADPH.
Photosystem II directly generates NADPH.
False (B)
The concentration of hydrogen ions is higher in the stroma than in the thylakoids.
The concentration of hydrogen ions is higher in the stroma than in the thylakoids.
False (B)
The splitting of water produces electrons, hydrogen ions, and oxygen.
The splitting of water produces electrons, hydrogen ions, and oxygen.
True (A)
ATP synthesis in thylakoids occurs as hydrogen ions move against their concentration gradient.
ATP synthesis in thylakoids occurs as hydrogen ions move against their concentration gradient.
NADP+ is converted to NADPH by adding an energetic electron from Photosystem I.
NADP+ is converted to NADPH by adding an energetic electron from Photosystem I.
Flashcards
Photosystem II role
Photosystem II role
Generates ATP by pumping hydrogen ions into thylakoids, creating a concentration gradient used to drive ATP production.
Hydrogen ion gradient
Hydrogen ion gradient
Higher concentration of hydrogen ions inside thylakoids compared to the stroma. It drives ATP synthesis.
Photosystem I role
Photosystem I role
Generates NADPH by adding energy to electron carriers.
Water splitting role
Water splitting role
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ATP Synthase function
ATP Synthase function
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