The Number of Bound Receptors on a Target Cell Depends

Multiple Choice

The number of bound receptors on a target cell depends on what two things?

A) the concentration of the messenger and the distance it has to travel
B) the type and concentration of receptors
C) the concentration of the messenger and signal transduction
D) the secretory cell and target cell
E) the concentration of the messenger and the concentration of receptors on the target cell