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Biology Coursework The concentration of Urease and the rate of working Introduction I am investigating the working of the enzyme Urease and how quick it will work. Prediction I predict that the more concentrated the solution the faster the enzyme will work. I think this because the more of the concentrated substance then the more likely it is to collide with each other therefore more reactions in a given time. Starting experiment. To start the project I am going to do a planning experiment. This will help me to decide how to follow out the experiment. I am going to start off by finding how much of each liquid I should use. I have decided to use 5 cm3 of 1 % urea solution, 2 cm3 of ethanoic acid, I will change the amount of urease to see how long it will take to work. To start this I am going to get 5 test tubes and...

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