Why Is the Molecule of Chlorophyll a in Photosystem I's

question 43

Multiple Choice

Why is the molecule of chlorophyll a in photosystem I's reaction centre known as P700?

• A) because 700 molecules of NADPH are generated per photon of light absorbed
• B) because it absorbs 700 photons per minute
• C) because exactly 700 accessory pigments are in the photosystem
• D) because it absorbs photons with a wavelength of 700 nm

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