C_3 plants show optimum photosynthesis at: | vedclass

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(B) $C_3$ plants exhibit optimum photosynthesis under conditions of high $CO_2$ concentration.In $C_3$ plants,the enzyme $RuBisCO$ has an affinity for

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High $CO_2$

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(B) $C_3$ plants exhibit optimum photosynthesis under conditions of high $CO_2$ concentration.In $C_3$ plants,the enzyme $RuBisCO$ has an affinity for both $CO_2$ and $O_2$.When $CO_2$ levels are high,$RuBisCO$ acts as a carboxylase,facilitating the Calvin cycle and efficient carbon fixation.Conversely,high $O_2$ levels lead to photorespiration,which reduces the efficiency of photosynthesis.Therefore,high $CO_2$ concentration is the limiting factor that promotes optimal photosynthetic rates in $C_3$ plants.

$C_3$ plants show optimum photosynthesis at:

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