Tuesday, June 22, 2021
Mitochondrial Health

Cellular Respiration (UPDATED)

Explore the process of aerobic cellular respiration and why ATP production is so important in this updated cellular respiration video by The Amoeba Sisters! This video compares the cellular respiration equation to photosynthesis before exploring the basics of glycolysis, Krebs Cycle (Citric Acid Cycle), and the Electron Transport Chain (and chemiosmosis)
We update our old videos with improved art, audio, and explanations. Prefer our old cellular respiration video? Don’t worry, it will continue to exist! https://youtu.be/4Eo7JtRA7lg
Table of Contents:
00:00 Intro
0:27 ATP
0:55 We’re focusing on Eukaryotes
1:39 Cellular Resp and Photosyn Equations
2:21 Plants also do cellular respiration
3:05 Glycolysis
3:44 Intermediate Step (Pyruvate Oxidation)
4:05 Krebs Cycle (Citric Acid Cycle)
4:43 Electron Transport Chain
6:25 How much ATP is made?
7:27 Fermentation
7:46 Emphasizing Importance of ATP

As mentioned in the video,
*we are assuming the products made from 1 glucose molecule.
*these are not molecular illustrations 🙃
Rye, Connie, et al. “Ch. 1 Introduction – Biology | OpenStax.” Openstax.org, 21 Oct. 2016, openstax.org/books/biology/pages/1-introduction.

Urry, Lisa A, et al. Campbell Biology. 11th ed., New York, Ny, Pearson Education, Inc, 2017.

Reece, J. B., & Campbell, N. A. (2011). Campbell biology. Boston: Benjamin Cummings / Pearson.

Why is the Krebs Cycle (Citric Acid Cycle) considered an aerobic process?
Reference Source: https://openstax.org/books/biology/pages/7-3-oxidation-of-pyruvate-and-the-citric-acid-cycle
Explore the fascinating details of the Krebs Cycle (Citric Acid Cycle)! https://openstax.org/books/biology-ap-courses/pages/7-3-oxidation-of-pyruvate-and-the-citric-acid-cycle

Learn About Protein Complexes and Electron Carriers in the Electron Transport Chain:

We try to emphasize that the ATP produced is not an exact amount. But what factors might affect ATP production? https://openstax.org/books/biology/pages/7-4-oxidative-phosphorylation

Learn more about mitochondrial diseases: https://medlineplus.gov/mitochondrialdiseases.html
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27 thoughts on “Cellular Respiration (UPDATED)
  1. We hope you like our updated cellular respiration video! Our old video was from 2014 when we were still just beginning, but if you prefer the old video, it will still remain up! https://youtu.be/4Eo7JtRA7lg So what is different about this updated video? Please expand this comment!

    What has changed ?

    Whenever we update a video, we usually have improved ourselves in illustration and audio. This script is recognizably similar, but it has some extra detail added in some points (example: chemiosmosis is mentioned). We spend more time mentioning the intermediate step before Krebs (where pyruvate is oxidized). Also, while we mentioned in the old video that total net ATP production was an estimate, we spend time discussing why this time and emphasize the importance of noting that it's a range.

    What about resources you've made that go with the old video ?

    Old resources such as the free recap handout that we previously created comparing cellular respiration with photosynthesis can continue to be used with the old video or this new one, whichever you prefer. The old video link will remain up https://youtu.be/4Eo7JtRA7lg If you purchased our Unlectured Series for cellular respiration, you can continue to use the old video or this new one. However, for the Unlectured Series, you will find that in a few days after this video publishes, we will have updated it on TpT to include an additional annotated video script template for this video and a few illustration updates on the slides . Remember, you can still use the original (old video) with the Unlectured Series, but we want to give you the option. You can access that by logging into TpT and going to "my purchases" to see the updated file. This is similar to our procedure for when we updated the DNA Replication video.

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