Many of the Ideas Raised by Ehrlich's Conception of Selective

Multiple Choice

Many of the ideas raised by Ehrlich's conception of selective theory were true.Which of the following ideas (if any) were later shown to be FALSE?

A) Interaction between a cell-bound receptor and pathogen could induce the cell to proliferate.
B) The specificity of receptors was determined in the host prior to exposure to a foreign antigen.
C) The antigen selected the appropriate receptor in a specific manner.
D) The binding of a receptor to an infectious agent was like the fit between a lock and a key.
E) All the ideas listed were shown to be true.