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BIOL 21 (4)
Lecture 24

BIOL 21 Lecture 24: How Sarcomeres Contract and Expand//Structure and Neurology of Muscle Cell
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Department
Biology
Course
BIOL 21
Professor
Hart, Dawn
Semester
Fall

Description
2016 November v musc Lela Centro ticn Pro ein kamen 13 bo nic unit chon roo ten tial. induce s A Chr erea re 2 opens Ca channel A CCa 21 ravel down concen grad en n ho aron terminal. of ch to receptur prutein. bu diffu thruush Corp direc cion Na and CA ch receptar a Irga' f threshold S mot, actiun polar PU tenta s crea t ed a single muscle fiber cu S nngl C muscle ceer mic itinuc Ceated (bunch of hin bunga Ces ins J Cmyo fibn As contain sarconnetes J Na cuplasmic re ficulum sunound aral a e in benveen myofi bnls sarcoplasm C electr C impune navels acny us memprane of muscle cea T tibuues in ag nation of Cele membrane. in tome celi that impul ie traels anuncl all myo reticulum 21 o action poten tae tngayen-releane Ca Ca allow muscle contuction to docur Jarconnerre myesin binding sites Zline another Zline Saramere. actin & m yysin protein ropelike, thin. s/n. myof in ach n Pink d01s Tropom in blUC EJ achn Frv rn birdilf to marin if Ca 2 t is nut prevent bindus to actin tropomy v Sin, and Calcium 2016 November v musc Lela Centro ticn Pro ein kamen 13 bo nic unit chon roo ten tial. induce s A Chr erea re 2 opens Ca channel A CCa 21 ravel down concen grad en n ho aron terminal. of ch to receptur prutein. bu diffu thruush Corp direc cion Na and CA ch receptar a Irga' f threshold S mot, actiun polar PU tenta s crea t ed a single muscle fiber cu S nngl C muscle ceer mic itinuc Ceated (bunch of hin bunga Ces ins J Cmyo fibn As contain sarconnetes J Na cuplasmic re ficulum sunound aral a e in benveen myofi bnls sarcoplasm C electr C impun
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