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Essay

effect of temp on yeast cells

Essay specific features

 

Issue:

Science

 

Written by:

Judith C

 

Date added:

September 7, 2013

 

Level:

University

 

Grade:

A

 

No of pages / words:

3 / 828

 

Was viewed:

384 times

 

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Essay content:

If more accuracy then half a degree. Show method to do this. Waterbath etc Methylene blue It can also be used as an indicator to determine if a cell such as yeast is alive or not. The blue indicator turns colourless in the presence of active enzymes, thus indicating living cells A simple table with the temperature in one column and whether or not the cells survived pick a high temp, then a low temp, then pick a point in between and iterate...
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The blue indicator turns colourless in the presence of active enzymes, thus indicating living cells A simple table with the temperature in one column and whether or not the cells survived pick a high temp, then a low temp, then pick a point in between and iterate. ten test tubes each in a water bath with 10 degree intervals should give you a rough idea, then once you have the test tube with the highest temperature that's still colourless (the methylene blue indicator) you can heat it up one degree at a time and find the exact temperature that kills the yeast cells To multiply and grow, all yeast needs is the right environment, which includes moisture, food (in the form of sugar or starch) and a warm, nurturing temperature (70° to 85°F is best)...
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