Problem:

Question 1: Why is the kinase so important in a receptor tyrosine kinase?

a) Tyrosine kinases activate synapses, triggering cellular responses.

b) Tyrosine kinase is the signal that the receptor binds.

c) Kinases transfer phosphates, phosphorylating the receptor.

d) The tyrosine kinase domains are active in their monomeric states.

e) The tyrosine kinase uses guanosine triphosphate to become activated.

Please select correct answer and also provide explaination.