Answers>Biology>A Level>Article

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

Answered by Laura H. • Biology tutor

3947 Views

See similar Biology A Level tutors

Related Biology A Level answers

All answers ▸

Why must a cell's genetic material be replicates before nuclear division of the cell? (2 Marks)

The herbicide atrazine works by disabling plastoquinone, one of the proton pumps in photosystem II. Explain how atrazine would kill a susceptible plant (5 marks) (OCR A specimen paper 3)

Trypsin is a protease produced in an inactive form in some cells of the pancreas. Suggest the advantage of producing it in an inactive form?

Describe how the lac operon works when lactose is both present and absent.

Popular Requests

Maths tutor Chemistry tutor Physics tutor Biology tutor English tutor GCSE tutors A level tutors IB tutors Physics & Maths tutors Chemistry & Maths tutors GCSE Maths tutors

CLICK CEOP

Internet Safety

Payment Security

Cyber

Essentials

MyTutor is part of the IXL family of brands:

IXL

Comprehensive K-12 personalized learning

Rosetta Stone

Immersive learning for 25 languages

Wyzant

Trusted tutors for 300 subjects

Education.com

35,000 worksheets, games, and lesson plans

Vocabulary.com

Adaptive learning for English vocabulary

Emmersion

Fast and accurate language certification

Thesaurus.com

Essential reference for synonyms and antonyms

Dictionary.com

Comprehensive resource for word definitions and usage

SpanishDictionary.com

Spanish-English dictionary, translator, and learning resources

FrenchDictionary.com

French-English dictionary, translator, and learning

Ingles.com

Diccionario ingles-espanol, traductor y sitio de apremdizaje

ABCya

Fun educational games for kids