Inside the Cell Membrane

[@AmoebaSisters]

We like to pin any clarifications on our videos. 1. We notice a few comments asking, "Well, isn't an *unfertilized* chicken egg [or yolk] itself actually a cell?" [Which would mean one HUGE cell, right?] So, it turns out there is a lot of thought on this. While we were taught the entire unfertilized chicken egg isn't a true cell---not only because they don't contain the typical cell parts---but also because if it is fertilized, the egg/yolk itself isn't what starts dividing (only germinal disc), we can see other arguments. You can find lots of debate about this online. We brought this up in convo on Twitter: twitter.com/AmoebaSisters/status/1117579222942388224 and we've talked to some science teachers about this. This could be one of those fascinating things where it depends how you define as a cell? Anyway, we'd love to hear your thoughts on this! A better way we could have done this would be *instead* of saying 'A cell could never be as big as a chicken egg' to *change to say* 'A *body* cell could never be as big as a chicken egg.' 2. Integral proteins frequently cross the whole membrane (transmembrane); these are the types we show. In fact, all transmembrane proteins are integral proteins. *However* there are some integral proteins that don't go through the membrane completely (and are not transmembrane). 3. Towards the end of this video, we say "HIV virus" to emphasize the virus illustration. But that's redundant- technically we could just say "HIV." HIV stands for human immunodeficiency virus. We don't get into any type of virus detail here, but we have a new virus video! kzbin.info/www/bejne/bnfUnYepobplaNU

[@alexzhang3232]

we?? So like is one person drawing and animating, and the other is doing the voice-over?

[@AmoebaSisters]

One of us does all the drawing and the other one does all the speaking. Switching roles would be a disaster haha. But if you want proof that Petunia speaks, we have more about that in our Around the Agar video :D kzbin.info/www/bejne/m5DMkmuNl72Yp7M

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That’s a tautology !!

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Good

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"plasma membranes".... IB?

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I’m 18 and am majoring in biology. I love biology, but my textbook in my current bio class does not have visual images so I had a hard time visualising the plasma membrane. This is SOOOO HELPFUL THANK YOU!

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Returning to school after many many MANY years & taking A&P. This is so entertaining & easier to understand

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As a Grade 12 student, your videos are REALLY helping me to understand all of this for my biology class! Thank you so much!

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I remember watching her videos at free will back in 2019

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I've learned more in the three videos I've watched from you guys than I have in half a semester of BIOL 1010. Thanks a ton!

[@groutcleaningservice6521]

Thank you for taking the time to create such an informative video. The last time I read anything about this topic was 1977. I wanted to understand cell membranes and good proteins and how they work and you nailed it in a simple concept I can enjoy and remember. Thank you.

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I’m an M1 in medical school. This video is shortened more clear version of the lecture we just had. Thank you!

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I'm 16, and this was showed to us in our Biology class. The illustrations and other stuff shown are easy to understand and comprehend. Thanks for the video!

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This video helped me so much , it took my teacher 5 days to explain this

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If you want a quick look on specifically the structure of the cell membrane start at 03:50 btw this explanation is too good!

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The art…. 🤣 it’s so expressive and cute, I enjoyed the video very much

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