Which Option Best Describes the Mechanism That Causes a Stoma

question 66

Multiple Choice

Which option best describes the mechanism that causes a stoma to open?

• A) K⁺ enters the guard cells and water follows passively, making the cells turgid.
• B) K⁺ activates water pumps in the guard cell membrane that make them turgid.
• C) K⁺ leaves the guard cells and water follows passively, making the cells flaccid.
• D) Loss of K⁺ from guard cells creates positive pressure and expands the guard cells.

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Definitions:

Income Statement

An income statement is a financial statement that shows a company's revenues and expenses over a specific period of time, illustrating how the revenues are transformed into net income or loss.

Yield Rate

The yield rate, often referred to as the yield, is the income return on an investment, such as the interest or dividends received, expressed as a percentage of the investment's cost.

Stated Interest Rate

The interest rate explicitly stated on a loan or investment agreement, not accounting for compounding.

Face Value

The nominal or dollar value printed on a security or financial instrument, such as a bond or stock certificate, representing its worth at issuance.