Paragrap Muscle 1. Muscle diagram-label the various levels of microstructure: A(
ID: 3509468 • Letter: P
Question
Paragrap Muscle 1. Muscle diagram-label the various levels of microstructure: A(tubules), B(tubules), Clyellowish coating on tube), D(component of myofibril), E(the fibers shown in the diagram), F(blue filaments), G(red filaments) muscle myofibril Describe the process of muscle excitation from neural signal at the synapse junction of the motor neuron to the activation of the myosin/actin srossbridss Include the following terms in your description: sarcoplasmic reticulum, t-tubule, troponin, tropomyosin, Ca2, ATP, actin, myosin, ACb, Acetylcholinesterase, mitochondria, binding site, power-stroke. 2. .What are the z-discs? What is their role in muscle contraction? 4. What is titin? What role does it play? How is the force-length curve affected by titan?Explanation / Answer
1) a- muscle
b- fascicle
c- muscle cell/myocyte
d- sarcomere
e- filaments
f- actin
g- myosin
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