The Affect of Rennet on Fresh Milk.

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13th November 2002

The Affect of Rennet on Fresh Milk

Prediction

I predict that at 45 C the rennet will make the milk clot but at 85 C the milk will not clot because the enzyme rennet will be denatured and therefore no work.

Equipment

        Safety goggles

        Lab coats

        6 test tubes

        2 test tube racks

        2 water baths, one at 45 C and the other at 85 C

        8 cm cubed of rennet

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        8 cm cubed of fresh milk

        2 pipettes

        4 thermometers

        2 stopwatches

   2 measuring cylinders

Diagram

Method

        Get out all of the equipment listed above

        Measure out 4 cm cubed of milk and put it in a test tube

        Repeat this once more putting the milk in another test tube

        Measure out 4 cm cubed of rennet and put this in a different test tube again

        Repeat this one more putting the rennet in another test tube

        There should still be 2 ...

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