The Flow of K⁺ and Cl^- into Guard Cells Is

question 89

Multiple Choice

The flow of K⁺ and Cl^- into guard cells is facilitated by

• A) the absence of light.
• B) the outflow of protons from the guard cells.
• C) osmosis.
• D) negative water potential.
• E) the availability of CO₂.

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Definitions:

Marginal Cost

The change in total production cost that arises when the quantity produced is incremented by one unit.

Total Profit

The total income earned by a firm after deducting all costs and expenses from total revenue.

Nash Equilibrium

A concept in game theory where no participant can gain by unilaterally changing their strategy if the strategies of others remain unchanged.

Profit-Maximizing

Refers to the process or strategy by which a firm selects outputs at which its profits are maximized, achieved by equating marginal revenues to marginal costs.