Bulk Flow Is Much Faster Than Diffusion or Active Transport

question 65

Multiple Choice

Bulk flow is much faster than diffusion or active transport. Peak velocities in the transport of xylem sap can range from ________ for trees with wide vessel elements.

• A) 10-20 m/hr
• B) 15-45 m/hr
• C) 5-10 m/hr
• D) >50 m/hr

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