In the Pressure-Flow Model, What Two Phenomena Starts the Flow

question 35

Multiple Choice

In the pressure-flow model, what two phenomena starts the flow of phloem contents?

• A) active transport of sugar into sieve tubes, water follows by osmosis
• B) water leaving sieve tubes by osmosis, followed by active transport of sugar into sieve tubes
• C) active transport of water into sieve tubes, water entering companion cells by osmosis
• D) water enters companion cells by osmosis, followed by active transport of sugar into sieve tubes
• E) active transport of sugar into companion cells, water follows by osmosis

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Definitions:

Bid

An offer made by an individual or company to buy a good or service, or to perform a job at a specified price.

Tid

An abbreviation for "ter in die," which is Latin for "three times a day"; commonly used in medical prescriptions to indicate dosing frequency.

Prn

An abbreviation for the Latin phrase "pro re nata," meaning "as the situation demands," often used in medical prescriptions to indicate taking medicine as required.

Intranasal

Administration or action occurring within the nasal passages, often referencing medication delivery.