This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NEET Jan 2020, Subject name: Biochemistry
Which of the following binds to Tyrosine Kinase receptor? 
Select and explain. 
A. LH, B. Insulin, C. TSH, D. TRH
B: Insulin
Answer: B: Insulin 
Explanation: Insulinand insulin like growth factor 1 receptors contain intrinsic ligand activatedtyrosine kinase activity. Receptor tyrosine kinases play a critical role in regulating cell differentiation, proliferation, growth and metabolism.