What is the difference between human insulin and insulin from animal source?

What is the difference between human insulin and insulin from animal source?
  1. Human insulin does not cause allergy or other types of reactions.
  2. Insulin from animal source contains C peptide.
  3. Human insulin is synthesised as a pro-hormone.
  4. Animal insulin is synthesised using rDNA techniques.

Solution

Insulin from an animal source caused some patients to develop allergy or other types of reactions to the foreign protein, but human insulin does not induce such unwanted reactions.

Asked in: NCERT

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