If Light with an Average Wavelength of 660 Nm Is $\rarr$

question 13

Essay

If light with an average wavelength of 660 nm is used to power the light reactions of photosynthesis, what is the efficiency in terms of energy captured as NADPH and ATP based upon the following information?
2 H₂O + 2 NADP⁺ $\rarr$ 2 H⁺ + O₂ + 2 NADPH E ^$\circ$ ' = -0.50 V
the oxidation of 2 water molecules with production of 2 NADPH requires 8 photons
12 protons are transported to the thylakoid lumen for each oxygen produced

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