Biology Coursework: The effect of Trypsin on Gelatine.

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Issue:

Science

 

Written by:

Joe G

 

Date added:

March 8, 2016

 

Level:

University

 

Grade:

A

 

No of pages / words:

3 / 724

 

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6818 times

 

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Essay content:

I decided to observe 20?, 30?, 40?, 50?, 60?, 70? and 80?. 3. Next, I label each test tube with the temperature to be investigated and then added 2.5cm3 of Trypsin solution. 4. I ensured that I cut the necessary pieces of film using a ruler and a pair of scissors. I cut pieces that were 2cm in length, and 1...
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I cut pieces that were 2cm in length, and 1.6cm in width each. 5. The only water baths of my choice that were running were at 30? and 60?. I therefore had to use the Bunsen burner etc. for the rest of the temperatures (excluding 20?). I kept each test tube heated for 5 minutes. 6. I added the photographic film pieces just before I placed the test tubes in the water baths/ Bunsen burners, and ensured that they submerged fully before I began timing...
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