when chemical signals are received by a cell, there is a number of different outcomes that may occur depending on the type of signal that is being received. each type of signal will be received by one of the various toes of chemical receptors: ion channels, enzymatic receptors, g protein-coupled receptors, or intracellular receptors. which of the following types of signals is correctly paired with its receptor type?
A. steroid hormone to intracellular receptor.
B. neuron to enzymatic receptor.
C. peptide hormone to intracellular receptor.
D. phosphorylation of protein kinases to gated ion channels.