organic solvent stress on membrane

Essay specific features

 

Issue:

Science

 

Written by:

Lori Q

 

Date added:

May 26, 2012

 

Level:

University

 

Grade:

A

 

No of pages / words:

2 / 449

 

Was viewed:

9379 times

 

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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...
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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...
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