Session 1 Flashcards

1
Q

What are the main extracellular signalling groups? (3)

A

Endocrine
Paracrine
Autocrine

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2
Q

What do glands produce?

A

Hormones

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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

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4
Q

What is the range of signalling molecules?

A

Picomolar to nanomolar

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