Investigate the effects of a named variable or the action of the enzyme trypsin.

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Biology Coursework- Enzymes

Background information:

Aim: The aim is to investigate the effects of a named variable or the action of the enzyme trypsin.

Prediction: The factors which will affect the enzyme trypsin are the amount of water you put in, the temperature and the amount of trypsin you put in.  I will be investigating the effects of trypsin at a variable temperature.

I predict that the enzymes will work best at body temperature because our body stays at our temperature 37°C.  The enzymes in our body have been adapted to work best at this temperature.

I predict that the enzymes will denature at about 90°C.  This is because the enzymes get unstable and then stop working.

I predict that the enzymes will not work best at a low temperature as enzymes need at least 40°C in temperature to work.

I predict that the temperature goes past body temperature the rate of the trypsin will decrease.  This will happen because the enzyme will denature after 37°C.

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I predict that the enzymes might not work best at body temperature and will not denature at 90°C.  This is because the trypsin solution has a different concentration from the enzymes within our body.

I predict that the more trypsin there is the faster it will digest the gelatin.  This is because the more enzymes there are the more particles will collide and react digesting the gelatin quicker.

Fair test:  This experiment will be a fair test if we put in the same amount of trypsin in the test tube.  To make it a fair test we ...

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