1.

Refer to the given graph which shows the effect of pH on the activities of three enzymes, X, Y and Z. Which of the following are the possible locations in the alimentary canal of man where the three enzymes can be found?  

A. XYZSmall intestineMouthStomach               
B. XYZMouthStomachSmall intestine               
C. XYZStomachSmall intestineMouth               
D. XYZStomach                    Mouth Small intestine           
Answer» E.


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