When an Animal Cell Is Placed in a Hypotonic Solution

question 66

Multiple Choice

When an animal cell is placed in a hypotonic solution and water enters the cell via osmosis, the volume of the cell increases until it bursts. Which of the following explains why this does not happen to plant cells?

• A) they have large central vacuoles, which provide abundant space for storage of incoming water
• B) they have cell walls, which prevent the entry of water by osmosis
• C) they have cell walls, which provide pressure to counteract the pressure of the incoming water
• D) certain gated channel proteins embedded in their plasma membranes open as osmotic pressure decreases, allowing excess water to leave the cell

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Definitions:

Unit Price

The cost for a single unit of a product, service, or measure of quantity, used for price comparison and economic decision making.

Price Discriminate

The practice of selling the same product to different consumers at different prices based on their willingness to pay.

Cost-Justified

A determination that an expense, investment, or action is deemed reasonable or worthwhile based on its cost.

Robinson-Patman Act

is a United States federal law that prohibits anticompetitive practices by producers, specifically price discrimination.