What is a first messenger hormone?

A first messenger is a hormone which binds to a receptor on the plasma membrane of a cell and causes a change to happen inside the cell

LH
Answered by Laura H. Biology tutor

3872 Views

See similar Biology A Level tutors

Related Biology A Level answers

All answers ▸

Describe the processes that occur at a cholinergic synapse to allow signal transmission


Outline the process of protein synthesis (8 marks).


What happens during mitosis


Explain the difference in the rates of reaction at 60 °C and 37 °C between 20 and 40 minutes.


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning