Updated Mitosis Video. The Amoeba Sisters walk you through the reason for mitosis with mnemonics for prophase, metaphase, anaphase, and telophase. Expand details to see table of contents.👇 Video handout here: http://www.amoebasisters.com/handouts
Table of Contents:
00:00 Intro
0:44 Why is Mitosis Important?
2:00 Why Don’t You Want Cells Dividing all the Time?
2:23 Interphase (occurs before mitosis)
2:55 DNA and Chromosomes
4:07 Chromosome Replication
5:30 PMAT Mitosis Stages
7:30 Cytokinesis (actual splitting of cell)
We appreciate the feedback we get for what we need to clarify or should have added. Please see our pinned comment!
The Amoeba Sisters videos demystify science with humor and relevance. The videos center on Pinky’s certification and experience in teaching biology at the high school level. For more information about The Amoeba Sisters, visit: http://www.amoebasisters.com/about-us.html
REFERENCE:
We cover the basics in biology concepts at the secondary level. If you are looking to discover more about biology and go into depth beyond these basics, our recommended reference is the FREE, peer reviewed, open source OpenStax biology textbook: https://openstax.org/details/books/biology
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Biology Video Playlist: https://www.youtube.com/playlist?list=PLwL0Myd7Dk1F0iQPGrjehze3eDpco1eVz
The Amoeba Sisters videos demystify science with humor and relevance. The videos center on Pinky’s certification and experience in teaching biology at the high school level. Amoeba Sisters videos only cover concepts that Pinky is certified to teach, and they focus on her specialty: secondary life science. Learn more about our videos here: https://www.amoebasisters.com/our-videos
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MUSIC:
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TRANSLATIONS:
Thank you so much to our translators!
Filipino translation: Norman II
Greek translation: Koinaki Sophia
Any audio dubs were done using an artificial voice via https://aloud.area120.google.com to increase accessibility. You can change the audio track language in the Settings menu.
While we don’t allow dubbing of our videos, we do gladly accept subtitle translations from our community. Some translated subtitles on our videos were translated by the community using YouTube’s community-contributed subtitle feature. After the feature was discontinued by YouTube, we have another option for submitting translated subtitles here: https://www.amoebasisters.com/pinkys-ed-tech-favorites/community-contributed-subtitles We want to thank our amazing community for the generosity of their time in continuing to create translated subtitles. If you have a concern about community contributed contributions, please contact us.
Want to see our mitosis poem? See it here! https://youtu.be/snKrKC9wYvw How about this video dubbed in Spanish? https://www.youtube.com/c/AmoebaSistersenEspa%C3%B1ol/videos
Also, please expand this comment as we like to pin a comment on our videos to provide clarification based on feedback we receive! (1) We mention mitosis as "a type of cell division." To be specific, it's a division happening within the cell – in the nucleus. But we do not introduce the nucleus until later on in video. Mitosis is specifically the division happening of the nucleus whereas cytokinesis follows to do the actual splitting of the cell (mentioned at 7:30 ). (2) Our video is intended to focus on animal cells (as drawn) – specifically human cells – as we use human chromosome numbers. We wish we had clarified that more as we appreciate the feedback that the statements, "Mitosis makes body cells. Meiosis makes gametes." has some big exceptions such as plants. (3) In metaphase, we do not draw a nucleus ( 6:09 ), because we mention it already has been disassembled. Disassembly of the nuclear membrane (envelope) occurs at the end of the previous stage. Many texts will state this is during prometaphase, a stage in between prophase and metaphase. In this short video, we do not include prometaphase. We only mention that the nucleus is no longer there by the time it's metaphase. (4) Notice our illustration in anaphase also includes a text box that says "sister chromatids separate" at 6:37 . It's important to understand that chromosomes are moved "away" in anaphase, but as the text box notes, realize they are separated by the pulling apart of sister chromatids. This is especially important when comparing mitosis to meiosis I- as you can see our comparison video (which has more detail) here: https://youtu.be/zrKdz93WlVk and (5) we've learned there are some differences [especially comparing older vs newer textbooks] on how one defines the term 'centromere.' Many textbooks and science resources refer to a single centromere on a chromosome with two fully attached sister chromatids because they are considering the complex where the centromeres are attached, and then they show separated sister chromatids with their own centromere once no longer attached. However, we think it is important to understand this complex is where they are joined with cohesin in the case of sister chromatids— as well as also understanding there are differences in how different resources define a centromere. You can see a conversation about this here: https://twitter.com/AmoebaSisters/status/1192621868605419520 It would have been better for us to have said "centromere region" and going forward – we want to show a more detailed image of a centromere on each sister chromatid joined together.
Im doomed, cooked and deep fried for tmrw 💀🤧
These videos are more valuable than 93375hrs lecture
hey ARE you miss mazen from fhs
G7 here Q2😵💫
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the fact i watched these videos back in high school and now i med school still enjoying them
Help me lock in