Video from Ninja Nerd on YouTube
Describe the second messengers (cAMP, cGMP, IP₅, DAG, Ca²⁺, nitric oxide) and explain signal amplification.
The part on this line: 2:32–3:10
Why this video
This lecture explains the primary GPCR cascades (Gs, Gi, and Gq) and details how they generate and regulate the second messengers cAMP, IP₃, DAG, and calcium.
Part of this line
Covers part of this objective. It leaves out: It does not teach cGMP or nitric oxide signaling, nor does it explicitly cover signal amplification mechanisms.
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