53. Which of the following statements about photosynthesis is TRUE?
(A) The light reaction in the thylakoids makes NADP+to the Calvin cycle .
(B) Phosphoenolpyruvate (PEP) carboxylase has a higher affinity for CO2 than rubisco does.
(C) The oxygen is produced by the electron transfer system of photosystem I (PS I).
(D) Photosystem II (PS II) is called P700 because of its reaction-center chlorophyll thatabsorbs light with a wavelength of 700 nm.
(E) C4 plants only use rubisco for carbon fixation.