9 Questions
Which type of signaling involves cells responding to local mediators that they themselves produce?
Autocrine signaling
Which molecule quickly diffuses into neighboring cells?
Nitric Oxide (NO)
Which type of receptor is too large or too hydrophilic?
Ion-channel-coupled receptors
Which signaling involves broadcasting the signal by secreting it into the bloodstream?
Endocrine signaling
What is the role of Gs protein in cell signaling?
Activate adenylyl cyclase
Which cells release Nitric Oxide (NO) to allow muscle relaxation?
Endothelial cells
Which family forms the largest family of cell-surface receptors?
(1/3 of all drugs work through GPCRs)
What is the role of cGMP in cellular function?
(smooth muscle relaxing)
Which type of signaling involves diffusion through the extracellular fluid locally?
Autocrine signaling
Test your knowledge on different cell signaling mechanisms such as endocrine signaling, paracrine signaling, autocrine signaling, synaptic signaling, and contact-dependent signaling. Learn about the various ways cells communicate with each other to regulate physiological processes.
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