Muscle Tissues and Sliding Filament Model
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- เผยแพร่เมื่อ 5 มิ.ย. 2024
- Join the Amoeba Sisters a they explore different muscle tissues and then focus on the sliding filament theory in skeletal muscle! This video also briefly talks about muscle naming, some vocabulary (such as agonists and antagonists) before focusing on the sliding filament model. Video also mentions general roles of tropomyosin and troponin.
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Table of Contents:
00:00 Intro
0:39 Muscle Tissue Types
1:58 Muscle Characteristics
2:33 Skeletal Muscle Naming and Arrangement
3:26 Actin Myosin and Sarcomere
4:32 Sliding Filament Model
6:55 Tropomyosin an Troponin
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Factual References:
Betts, J. Gordon, et al. “10.3 Muscle Fiber Contraction and Relaxation - Anatomy and Physiology 2e | OpenStax.” Openstax.org, 20 Apr. 2022, openstax.org/books/anatomy-and-physiology-2e/pages/10-3-muscle-fiber-contraction-and-relaxation.
Urry, Lisa A, et al. Campbell Biology. 11th ed., New York, Ny, Pearson Education, Inc, 2017.
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Further Reading Recommendations:
What about I and A bands? What actually initiates the power stroke? How does calcium get released and from where? Remember, there is a lot more detail! We recommend this page from Openstax to learn more:
openstax.org/books/biology-2e...
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We have a resource that complements this video! Look under "Muscle Tissue" on the alphabetized list on near the bottom of our handout page www.amoebasisters.com/handouts
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Also, fun fact, there's another protein involved in this that the video didn't feature called titin. It's the largest protein in the human body with upwards of 30,000+ amino acids, which means that the protein is SO long that its full chemical name takes four *hours* to say in its entirety! :D
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EXCELLENT EXPLANATION ❤👍🏻
I came up with a (somewhat) better way to remember "actin" and "myosin":
To be an ACrobat, you have to be thin [the strange capitalization is intentional]
"Myosin" sounds a bit like "Massive"
The best channel on biology...
Love and thanks from BANGLADESH
Great and informative video as usual.
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