Biology / Bio 0819 · Capstone · 2–3 minutes
Tracing a Ligand from Binding to Cellular Response
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State
This capstone traces one signaling molecule from the moment it binds its receptor through second-messenger propagation to a specific cellular response and the signal's eventual termination.
Watch for
A single bound ligand produces a cellular response only because each downstream step amplifies and relays it — no single link in this chain acts alone.
Builds on
- 0763Ligands and Receptors
- 0781G-Protein-Linked Receptors
- 0783The G-Protein Activation Cycle
- 0793Signal Transduction and Receptor Dimerization
- 0801Second Messengers, Defined
- 0805Cyclic AMP as a Second Messenger
- 0809Signal Transduction Can Regulate Gene Expression
- 0813Signal Transduction Can Drive Cell Growth
- 0817Terminating a Signal
Unlocks
- Nothing yet depends on this.