A typical flow of information in a signal transduction pathway would be which of the following?

A)Receptor $\rightarrow$ G protein $\rightarrow$ second messenger $\rightarrow$ biological response
B)Hormone $\rightarrow$ second messenger $\rightarrow$ G protein-coupled receptor (GPCR) $\rightarrow$ biological response
C)Hormone $\rightarrow$ second messenger $\rightarrow$ GPCR
D)Hormone $\rightarrow$ receptor $\rightarrow$ second messenger $\rightarrow$ GPCR $\rightarrow$ biological response
E)GPCR $\rightarrow$ second messenger $\rightarrow$ biological response