Episode 118: Cell Signalling
The Science of Everything Podcast
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What Is a Second Messenger?
There has to be a chain of biochemical events that starts with the receptor, changing confirmation and ends with increase in gene expression. The different I guess elements of this pathway have different names. Many of them are proteins although not all of them so I'm going to talk a bit about some of the different sort of elements of this pathways. You will hear a term called second messenger. To understand what a second messenger is, I need to tell you what the first messenger is.
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