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Photosystems and Thylakoid Proteins
Grade Level
AP Biology
APB.184 Photosystems and Thylakoid Proteins
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Which representation integrates oxygen release, NADPH formation, proton-gradient formation, and electron flow most accurately?
A
PSI splits water in the stroma, Rubisco transports electrons through the membrane, and ATP synthase floats in the lumen.
B
PSII at the thylakoid membrane with water splitting toward the lumen, cytochrome b6f between PSII and PSI, PSI near stromal NADP+ reduction, and ATP synthase spanning the membrane.
C
All photosynthesis proteins are placed in the chloroplast envelope, with the thylakoid drawn as a storage sac only.
D
PSII, PSI, cytochrome b6f, and ATP synthase are all dissolved in the stroma with no membrane orientation.
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