BIOL 2021 Lecture Notes - Lecture 11: Membrane Potential, Inositol
13 May 2018
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• Fig 15-10C phosphoinositides
o Allows for signals to be specific with no crosstalk.
o Made with a scaffolding protein that holds signal proteins and binds to
receptor.
o Another way is for signaling proteins to bind to the receptor after it is
phosphorylated.
o Another way is that a receptor phosphorylates inositol lipids and signal
proteins bind to lipids.
• Slow and fast responses (825-826)
• Fig 15-13 speed of cellular responses
o Speed of response depends on target inside cell.
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