試題詳解

3. Of the following events, which best describes the steps in a signal transduction pathway?

a)Tyrosine kinase receptor subunits dimerize； b) An enzyme cascade occurs, increasing of activated proteins； c) A reconfigured protein binds to DNA, altering gene expression； d) A signal molecule is bound by a transmembrane tyrosine kinase receptor protein； e) The receptor protcin complex phosphorylates other proteins.
(A) adbec
(B) adecb
(C) daebc
(D) deabc
(E) aedcb