For the following question ON ENZYMES:

Select the correct multiple answer using ONE of the keys A, B, C, D or E as follows:

A) 1, 2 and 3 are correct

B) 1 and 3 are correct

C) 2 and 4 are correct

D) Only 4 is correct

E) All are correct


A)    Which one is not a characteristic of competitive inhibition?

1)      The inhibitor binds to the enzyme-substrate complex

2)      It can be overcome by increasing the substrate concentration

3)      Km increases while Vmax decreases

4)      The inhibitor is similar in shape to the substrate



Multiple Choice 2 –Glycolysis

1)      For every glucose molecule entering glycolysis

a)      2ATP & 2NAD+ are used, 8ATP & 4NADH generated

b)      4ATP & 3NAD+ are used, 8ATP & 3NADH generated

c)      2ATP & 2NAD+ are used, 2ATP & 6NADH generated

d)     2ATP & 6NAD+ are used, 4ATP & 2NADH generated




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