Which Events and Features Are Correctly Associated with the Roots

question 56

Multiple Choice

Which events and features are correctly associated with the roots during the pressure-flow model of phloem transport?

• A) Sugar is stored in the sink. Cells use the sugar for cellular respiration. Water exits by osmosis and returns to the xylem.
• B) Sugars are stored in the source. Cells use the sugar for cellular respiration. Water exits by osmosis and returns to the xylem.
• C) Sugar is stored in the sink. Cells use the sugar for photosynthesis. Water exits by osmosis and returns to the xylem.
• D) Sugar is stored in the sink. Cells use the sugar for cellular respiration. Water exits by diffusion and returns to the phloem.
• E) Sugar is stored in the source. Cells use the sugar for photosynthesis. Water exits by osmosis and returns to the xylem.

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Definitions:

Inelastic Demand

A situation where the demand for a product does not significantly change with a change in price.

Quantity Demanded

The total amount of a good or service that consumers are willing and able to purchase at a specific price level, within a specified time period.

Quantity Supplied

The amount of a product or service that producers are willing and able to sell at a given price level during a specific time period.

Inelastic Demand

A market situation in which the demand for a product does not significantly change with its price increase or decrease.