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

3404 Views

See similar Biology A Level tutors

Related Biology A Level answers

All answers ▸

How does speciation occur?


Not all mutations lead to changed in amino acid sequence of polypeptides. Explain why.


Which of these nucleotide bases is NOT present in RNA: Cytosine, Thymine, Guanine, Adenine, Uracil


Describe the cardiac cycle, including the role that valves and pressure differences play in this process.


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:

© 2025 by IXL Learning