The Relationship Between Food Concentration, And Respiratory Activity

Essay specific features

 

Issue:

Science

 

Written by:

Raymond H

 

Date added:

September 11, 2016

 

Level:

University

 

Grade:

A

 

No of pages / words:

2 / 389

 

Was viewed:

6756 times

 

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Essay content:

Yeast or alcoholic fermentation is the anaerobic process of respiration by which sugars, such as glucose and sucrose, are converted into ethanol and carbon dioxide (CO2 ). This process is illustrated in the following equation: yeast C12H22O11 + H2O ---> 4 CH3CH2OH + 4 CO2 sucrose + water (yields) ethanol + carbon dioxide In order to determine what concentration of sucrose and water leads to the most respiratory activity, ten large test tubes were set with different concentrations by the process of serial dilution...
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The first test tube was filled with 40 ml of 60% sucrose solution. Then, the nine remaining test tubes were serially diluted, so that the sucrose concentration ranged from 30% to 0.12%. The hypothesis in this expriment was that the most respiratory activity would take place with 60% sucrose concentration...
displayed 300 characters

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