Session 1 Flashcards
1
Q
What are the main extracellular signalling groups? (3)
A
Endocrine
Paracrine
Autocrine
2
Q
What do glands produce?
A
Hormones
3
Q
What are the three main types of signalling molecules?
A
Hydrophilic 1-amines-AA derivatives-small charged hydrophilic, receptors in plasma membrane
Hydrophilic 2-peptides to proteins-short chain to many, receptors in plasma membrane
Lipophilic-steroids-common derivation from cholesterol, receptors are intracellular
4
Q
What is the range of signalling molecules?
A
Picomolar to nanomolar