Which of the Following Explains Why Receptor Tyrosine Kinases Have

Multiple Choice

Which of the following explains why receptor tyrosine kinases have been called membrane-associated allosteric enzymes?

A) as a result of their induced conformation changes and oligomeric interactions
B) as a result of their binding to insulin and epinephrine
C) as a result of their GTPase and guanylyl cyclase activities
D) as a result of their complex structure and G protein binding