Podcast
Questions and Answers
Skeletal muscle fibers are classified into three main types: (1) Slow ______ fibers.
Skeletal muscle fibers are classified into three main types: (1) Slow ______ fibers.
oxidative
Fibers appear ______ red due to the presence of myoglobin.
Fibers appear ______ red due to the presence of myoglobin.
dark
The ATPase in the myosin heads hydrolyzes ATP relatively ______ in slow oxidative fibers.
The ATPase in the myosin heads hydrolyzes ATP relatively ______ in slow oxidative fibers.
slowly
Fast oxidative-glycolytic fibers generate ATP by ______ cellular respiration and anaerobic glycolysis.
Fast oxidative-glycolytic fibers generate ATP by ______ cellular respiration and anaerobic glycolysis.
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Slow oxidative fibers are very resistant to ______ and are capable of prolonged contractions.
Slow oxidative fibers are very resistant to ______ and are capable of prolonged contractions.
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Slow oxidative fibers contain large amounts of ______ and many blood capillaries.
Slow oxidative fibers contain large amounts of ______ and many blood capillaries.
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Fast glycolytic fibers are the most ______ type of muscle fibers.
Fast glycolytic fibers are the most ______ type of muscle fibers.
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Slow oxidative fibers generate ATP mainly by ______ cellular respiration.
Slow oxidative fibers generate ATP mainly by ______ cellular respiration.
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Fast oxidative-glycolytic fibers have a ______ speed of contraction.
Fast oxidative-glycolytic fibers have a ______ speed of contraction.
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Slow oxidative fibers have many ______ mitochondria.
Slow oxidative fibers have many ______ mitochondria.
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