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Hi everyone! Do you guys know how scientists determined why our muscles move the way they do?
IB BIOLOGY YEAR 1 Christopher Myers
No, where did their research originate?
Not exactly but I've read somewhere that it came from an animal, is that true?
Yes that is true! Researchers determined why our muscles move the way they do from jellyfish!
Cool! How did they do that?
In addition, researchers use fluorescent dyes to measure the movement of Actin and Myosin which are the myofibrils of the muscle fiber.
Jellyfish have a protein called Aequorin which is associated with the green flourescent protein you sometimes see on jellyfish!
Aequorin binds with Calcium 2+, just like how Calcium is released in a human muscle fiber through the Sarcoplasmic Reticulum when there is a stimulus.
I bet that the fluorescent dye is important to measure the fast movements of a muscle fiber.
Wow! I never knew that!
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