Water Flows into the Source End of a Sieve Tube

question 1

Multiple Choice

Water flows into the source end of a sieve tube because ________.

• A) sucrose has diffused into the sieve tube, making it hypotonic
• B) sucrose has been actively transported into the sieve tube, making it hypertonic
• C) water pressure outside the sieve tube forces in water
• D) the companion cell of a sieve tube actively pumps in water
• E) sucrose has been transported out of the sieve tube by active transport

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Definitions:

Future Generations

The people who will live at a later time, for whom current generations have a responsibility to leave a sustainable environment.

Maintained

Kept in a specified state or condition.

Sagebrush Rebellion

A movement primarily in the Western United States advocating for more state and local control over federal land policies and management.

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