What type of chemical messenger is substance m

The base of a mountain and there are lots of wildlife around
April 28, 2020
Solution-Did all the bacterial colonies on the countable
April 28, 2020

What type of chemical messenger is substance m

Cell A secretes Substance M. Substance M travels via the blood and reaches cell B. Substance M binds to a receptor on the surface of cell B. Cell B responds by increasing its production and release of Substance N. what type of chemical messenger is Substance M? a. paracrine b. messenger of direct communication (MDC) c. hormone d. neurotransmitter e. not enough information is given to answer the question.