Chapter 14 / 4 short lessons
Cell signalling and glucose control
Connect receptor binding to amplification, cellular responses and negative feedback.
H2 Biology / 9477 / 2027 syllabus
What do you think?
Can a response that raises blood glucose still be negative feedback?
Lessons
0 of 4 marked as readReception, transduction and response
Explain membrane receptor specificity and the stages of cell signalling.
About 6 minAmplify a signal and switch it off
Explain cAMP, kinase cascades, amplification and phosphatases.
About 7 minInsulin signals a fall in blood glucose
Outline insulin signalling through a receptor tyrosine kinase.
About 7 minGlucagon signals a rise in blood glucose
Outline glucagon GPCR signalling and compare glucose feedback pathways.
About 7 minWhat you will be able to do
- Identify reception, transduction and response.
- Explain second messengers and phosphorylation.
- Compare insulin and glucagon receptor pathways.