In c4 plants, mesophyll cells perform both ps ii and ps i normally, while bundle sheath cells perform only ps i normally. ps ii activity is minimal. what is the advantage of having this difference for more efficient co2 fixation in c4 plants?
a. reduced ps ii activity reduces atp formation, thus photorespiration can’t happen
b. reduced ps ii activity reduces water breakdown, conserving more water for transpiration
c. reduced ps ii activity increases the rate at which co2 in fixed into malate in bundle sheath cells
d. reduced ps ii activity reduced oxygen release, thus competitive inhibition of rubisco by oxygen is minimal
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