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Essay

Membranes under stress

Essay specific features

 

Issue:

Science

 

Written by:

Loretta S

 

Date added:

June 18, 2012

 

Level:

University

 

Grade:

A

 

No of pages / words:

3 / 813

 

Was viewed:

1939 times

 

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Essay content:

Does pH have an effect on beetroot cell membranes? Was time a factor? Explain your observations. According to the results (above), the lower the pH the higher the effect on the beetroot cell membranes; there was a very low colour change in the surrounding medium when a pH level was greater than 7. This may have occurred because pH 7 is neutral and a pH greater than 7 is basic or alkaline...
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This may have occurred because pH 7 is neutral and a pH greater than 7 is basic or alkaline. At a pH level greater than or equal to 7, the solution was unable to breakdown the beetroot cell membrane because it is a strong base, which does not have the properties to breakdown a cell membrane. The solutions with a pH level of less than 7 had a higher amount of red pigment in the surrounding medium...
displayed 300 characters

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