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organic solvent stress on membrane
Essay specific features
Written by:
Lori Q
Date added:
May 26, 2012
Level:
University
Grade:
A
No of pages / words:
2 / 449
Was viewed:
9443 times
Rating of current essay:
Essay content:
Trim each cylinder to 15-mm in length.
*Place these cylinders of beet tissues in a beaker and run tap water over then for 2 minutes to wash betacyanin from the injured cells on the surface.
*Discard the slightly coloured solution, and place the 4 beets sections into 4 dry test tubes.
*Keep all beets at room temperature
for 20 minutes and shake them occasionally...
displayed 300 characters
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After 20 minutes, remove and discard the beet sections and observe the extent of membrane injury according to the amount of betacyanin that diffused into the organic solvent.
*Quantify the relative colour of each solution between 0 (colourless) and 10(darkest red).
Record your data in the table. Graph relative colour versus organic-solvent concentration according to a demonstration graph provided by your instructor...
displayed 300 characters
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