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

question 46

Multiple Choice

Why is the molecule of chlorophyll a in photosystem II's reaction centre known as P680?

• A) because it absorbs 680 photons per minute
• B) because it will generate 680 molecules of ATP per photon absorbed
• C) because it absorbs photons with a wavelength of 680 nm
• D) because exactly 680 accessory pigments are in the photosystem

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