Disadvantage of using porcine insulin in diabetic patients

The diabetic patient shows

What is the disadvantage of using processed insulin (from pig pancreas) is diabetic patients?

Assertion Insulin is an important life saving drug for diabetic patients Reason In is now possible to prduce insulin by using recombinant DNA technology

Saccharin and its salts are useful for diabetic patients.

The given bar diagram shows the relative amount of glucose and insulin in a normal man. Redraw the graph to show the conditions in a diabetic patient.

Give one example of an artificial sweetener used by diabetic patients.

Artificial sweetener used by diabetic patients is :