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Home Q & A Board Biology-Related Homework Help General Biology
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Abby30 Abby30
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12 years ago
Why are the ends of the A band the darkest region of the sarcomere when viewed under the light microscope?
   A. They are where the thick and thin filaments overlap.    
   B. They are where the thick filaments join together.    
   C. They are where the thin filaments join together.    
   D. They are where the thick and thin filaments create an action potential.
Source  Human Physiology 5th edition
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duddyduddy
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