Which immediate outcome results within CAM plants when malate concentrations decrease?

💡 Explanation

Decreasing malate activates RuBisCO in CAM plants, using stored CO₂--the *malate shuttle* decreasing acidity. This occurs because decarboxylation generates CO₂ for the Calvin Cycle rather than continued CO₂ fixation by PEP carboxylase, the night process.

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