Which of the following does not represent a chemical signal?
A)movement of a signal from one end of a nerve to the other end of the nerve
B)movement of a signal from one nerve to the next
C)an immune cell releasing a cytokine
D)a chemical released that affects the cell that releases it
E)chemicals released into the bloodstream from nerve cells

Question

Quizplus · Accepted Answer

The movement of a signal from one end of a nerve to the other end of the nerve represents an electrical signal, not a chemical signal. The other options all involve the release of chemicals to communicate information.

Which of the Following Does Not Represent a Chemical Signal