Insulin consist of:A50 amino acidsB51 amino acidsC500 amino acidsD501 amino acidsAnswer: C. 500 amino acids Read Explanation: Insulin is a protein chain or peptide hormone. There are 51 amino acids in an insulin molecule. It has a molecular weight of 5808 Da. Insulin is produced in the islets of Langerhans in the pancreas. Read more in App