When Indirect Signaling is Used,the Target Cell Responds to the Signal

Question

When indirect signaling is used,the target cell responds to the signal when that chemical
A)binds to an enzyme.
B)binds to a receptor.
C)binds to a gene.
D)binds to the nuclear membrane.

Accepted Answer

Indirect signaling involves the use of a chemical signal (such as a hormone or growth factor) that binds to a specific receptor on the surface of the target cell. This binding event triggers a cascade of intracellular events that ultimately leads to a response by the target cell. Therefore, the target cell responds to the signal when the chemical binds to a receptor.