Celery Stalks That Are Immersed in Fresh Water for Several

question 63

Multiple Choice

Celery stalks that are immersed in fresh water for several hours become stiff. Which of the following statements best explains the observation that similar stalks left in a 0.15 M salt solution become limp?

• A) The fresh water and the salt solution are both hypertonic to the cells of the celery stalks.
• B) The fresh water is hypotonic and the salt solution is hypertonic to the cells of the celery stalks
• C) The fresh water is hypertonic and the salt solution is hypotonic to the cells of the celery stalks
• D) The fresh water is isotonic and the salt solution is hypertonic to the cells of the celery stalks

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Profit

The earnings obtained when income from a business endeavor outstrips the total expenses, costs, and taxes necessary to maintain that endeavor.

Marginal Revenue

The additional income that is gained from selling one more unit of a product or service.

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A modification in the selling price of goods or services over a period.

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