Episode 116: The Cell Membrane

The Science of Everything Podcast

James Fodor

Natural Sciences, Science, Social Sciences

4.8 • 750 Ratings

🗓️ 30 March 2021

⏱️ 46 minutes

🔗️ Recording | iTunes | RSS

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Summary

An introduction to the cell membrane, including a discussion of the structure of the bilipid membrane, an overview of the structure and function of membrane proteins, a review of the fluid mosaic model, and a discussion of mechanisms of membrane transport, including both passive and active transport. Recommended pre-listening is Episode 10: The Cell, and Episode 18: Biochemistry Basics. If you enjoyed the podcast please consider supporting the show by making a PayPal donation or becoming a Patreon supporter. https://www.patreon.com/jamesfodor https://www.paypal.me/ScienceofEverything

Transcript

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0:00.0	Oh, wow, oh, oh, oh, wow, oh, oh, wow.
0:13.0	Oh, wow.
0:15.0	Oh, my.
0:17.0	Oh, wow. Hello, you're listening to The Science of Everything podcast, episode 116, the cell membrane.
0:40.2	I'm your host, James Fodor.
0:42.6	So in this episode, we're going to pick up from where we left off way back in episode 10, when we talked about the cell.
0:50.3	Well, I mean, I've talked about other aspects of the cell since then, but in particular, in the cell we talked, I gave an overview of the different components of the cell and the organelles and how they work together.
1:00.0	And one of the things that I didn't discuss in detail was the cell membrane.
1:04.0	And so in this episode, I'm going to rectify that and we're going to talk about the cell membrane, which is the basically the wrapper that holds in all of the other organelles and components of the cell membrane, which is basically the wrapper that holds in all of the other
1:13.2	organelles and components of the cell. And specifically, I'm going to look at the bi-lippid membrane
1:18.6	layer that forms the membrane and discuss its components and structure. Then I'm going to talk
1:23.0	about membrane proteins and some of their structures and functions, and we'll conclude by talking
1:26.9	a bit about membrane transport, including active and passive transport and some of their structures and functions and we'll conclude by talking a bit about membrane transport,
1:28.3	including active and passive transport and some of the mechanisms of that.
1:32.3	So recommended pre-listing, as you might have guessed, will be episode 10, the cell, and also episode 18,
1:38.3	Bichemistry Basics will probably be helpful because I'll be talking about proteins and lipids a lot, so a bit of background will be
1:44.8	useful there. So without further ado, let's jump in and start by talking about the bilipid membrane
1:50.6	layer, the bilipid layer. So the cell membrane consists of a bilipid layer, which is a thin, fatty
1:57.8	layer that separates the interior over the cell from the outside environment,
2:01.8	which is called the extracellular space. So there's the intracellular space,
2:05.7	which is where you have the cytosol and the organelles and nucleus and all that.
2:09.2	And then there's the extracellular space, which is just outside between all of the cells,
	...

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