V. A student adds an enzyme to a solution and incubates it at 37 °C for 10 minutes. He wants to find out if the enzyme causes reducing sugar to be produced. (i) Give the name of the test he can do to find out if reducing sugar is produced. State the positive result of this test.
(ii) The student knows that reaction rates often increase at higher temperatures. He repeats the experiment at 80 °C.
Predict what happens and explain your answer.