Week 10 - Cell Signalling

Question 1

How does a cell influence the response a molecule has on it?

Answer 1

• regulates number of receptors

- synthesises different isoforms of the receptor, varying the magnitude of induced response

Question 2

Difference between paracrine and juxtacrine?

Answer 2

Paracrine - cell releases neurotransmitter/molecule to target cells in close vicinity

Juxtacrine - cell releases neurotransmitter/molecule to target cell which in DIRECT CONTACT (i.e. Connected via a gap junction)