Scelta multipla
In the structure of a skeletal muscle fiber, which organelle stores calcium ions (Ca2+) for release during muscle contraction?
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9. Muscle Tissue
Structure of a Skeletal Muscle
Scelta multipla
A fascicle is a bundle of:
A
Epimysium.
B
Muscle Fibers.
C
Myofilaments.
D
Muscles.
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Begin by understanding the structure of a muscle. Muscles are composed of bundles known as fascicles.
Each fascicle is a bundle of muscle fibers. Muscle fibers are the individual muscle cells that make up the fascicle.
Muscle fibers themselves contain smaller structures called myofibrils, which are composed of myofilaments.
The epimysium is a connective tissue layer that surrounds the entire muscle, not the fascicle.
Therefore, the correct answer is that a fascicle is a bundle of muscle fibers, which are the basic units within the fascicle.
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