Which metabolic constraint increases when leaf temperature rises, out pacing Carbon uptake with rubisco?

💡 Explanation

When leaf temperature increases, photorespiration accelerates relative to carboxylation by rubisco because the enzyme's affinity Warburg effect,shifts in favor of O2 binding, increasing energy expenditure. Therefore photorespiration increases, rather than synthesis inhibition, closure induction, or transpiration deceleration which have independent temperature-dependent mechanisms.

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