Q. Regarding insulin, which statement is INCORRECT? (Solved)
1. it consists of two polypeptide chains linked by two disulphide bridges
2. the majority of exogenous insulin is metabolised by the liver
3. it is not the only molecule responsible for insulin-like activity in the blood
4. it increases intracellular potassium concentration
5. exercise increases the affinity of its receptors for insulin
- b. the majority of exogenous insulin is metabolised by the liver