This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Structure and function of protein, Subject name: Biochemistry
Among the given hormones which are stored the longest in a cell 
Select and explain. 
A. Insulin, B. T3, C. PTH, D. Testosterone
B: T3
Answer: B: T3 
Explanation: Hormone Supply Stored in CellSteroids and 1,25(OH)2-D3NoneCatecholamines and PTHHoursInsulin DaysT3 and T4WeeksRef: Harper; 30th edition; Pg:515