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Department of Integrative Biology & Physiology
University of Minnesota
Medical School
6-125 Jackson Hall
321 Church Street SE
Minneapolis, MN 55455
phone 612.625.5902
fax 612.625.5149
Questions about this site? Contact the Physiology Department at 612.625.5902 or physio@umn.edu.
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Learning Objectives: Sue Keirstead, Fall 2005
LAB # 1: DIFFUSION
- LEARNING OBJECTIVES
- Diffusion is the net movement of solute particles
as a result of random movement of those particles
- Net movement
during diffusion is from a region of high concentration of the
solute to a region of low concentration of that solute
- The rate
of diffusion depends on the magnitude (size) of the concentration
gradient and temperature
- The diffusion of a solute can be described
by the following equation: d = k X (square root of t), where d
= distance, k =
constant, t = time
- Diffusion is a useful means of moving particles
(solute or gas) over short distances quickly, but not over long
distances
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