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7
Characteristics of Myofibrils
Composed of 2 Types of Protein Fibers (myofilaments):
in diameter, as long as fiber
responsible for fiber
Within and scattered about are:
Composed of 2 Types of Protein Fibers (myofilaments):
in diameter, as long as fiber
responsible for fiber
Within and scattered about are:
Composed of 2 Types of Protein Fibers (myofilaments):
Thin: composed primarily of actin
Thick: composed primarily of myosin
1-2 μm in diameter, as long as fiber
responsible for fiber contraction
Within and scattered about are:
Mitochondria and granules of glycogen (storage form of glucose)
Thin: composed primarily of actin
Thick: composed primarily of myosin
1-2 μm in diameter, as long as fiber
responsible for fiber contraction
Within and scattered about are:
Mitochondria and granules of glycogen (storage form of glucose)
