The Opening of Stomata in the Light Involves _______, and Their

question 12

Multiple Choice

The opening of stomata in the light involves _______, and their closing in the dark involves _______.

• A) diffusion of K⁺ into guard cells; passive efflux of K⁺ from guard cells
• B) passive uptake of K⁺ by guard cells; active efflux of K⁺ from guard cells
• C) active uptake of H⁺ by guard cells; passive efflux of H⁺ from guard cells
• D) uptake of water from guard cells; loss of water by guard cells
• E) active pumping of H⁺ into guard cells; diffusion of Cl^- out of guard cells

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Definitions:

Legislative Process

The legislative process encompasses the steps through which proposed laws (bills) are debated, amended, and voted on in a legislative body before becoming official statutes.

Marginal Tax Rate

The rate at which the last dollar of a taxpayer's income is taxed, indicating the percentage of tax applied to their highest dollar of income.

Marginal Tax Rate

The rate at which the last dollar of a taxpayer's income is taxed, indicative of their highest tax bracket.

Average Tax Rate

The proportion of total income paid in taxes, calculated by dividing the total amount of taxes paid by total income.