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In addition to myosin, what other protein is involved in skeletal muscle contraction?
a muscle contracts
actin
sliding-filament model
myofibrils
the Calcium levels are higher than the ATP levels which keeps the myosin binded to the actin
increases the number of myofibrils which increases muscle size and strength
thin filaments
a state of sustained, partial contraction of muscles that is necessary to maintain posture
The concept used to explain the action of filaments in muscle contraction is the
a muscle contracts
actin
sliding-filament model
myofibrils
the Calcium levels are higher than the ATP levels which keeps the myosin binded to the actin
increases the number of myofibrils which increases muscle size and strength
thin filaments
a state of sustained, partial contraction of muscles that is necessary to maintain posture
Regular exercise does the following:
a muscle contracts
actin
sliding-filament model
myofibrils
the Calcium levels are higher than the ATP levels which keeps the myosin binded to the actin
increases the number of myofibrils which increases muscle size and strength
thin filaments
a state of sustained, partial contraction of muscles that is necessary to maintain posture
Where is the protein called actin loacted in the body?
a muscle contracts
actin
sliding-filament model
myofibrils
the Calcium levels are higher than the ATP levels which keeps the myosin binded to the actin
increases the number of myofibrils which increases muscle size and strength
thin filaments
a state of sustained, partial contraction of muscles that is necessary to maintain posture
Myosin and actin make up
a muscle contracts
actin
sliding-filament model
myofibrils
the Calcium levels are higher than the ATP levels which keeps the myosin binded to the actin
increases the number of myofibrils which increases muscle size and strength
thin filaments
a state of sustained, partial contraction of muscles that is necessary to maintain posture
What happens when the thin filaments in a muscle fiber slide over the thick filaments?
a muscle contracts
actin
sliding-filament model
myofibrils
the Calcium levels are higher than the ATP levels which keeps the myosin binded to the actin
increases the number of myofibrils which increases muscle size and strength
thin filaments
a state of sustained, partial contraction of muscles that is necessary to maintain posture
Rigor Mortis is a stiffening of the muscles after death due to:
a muscle contracts
actin
sliding-filament model
myofibrils
the Calcium levels are higher than the ATP levels which keeps the myosin binded to the actin
increases the number of myofibrils which increases muscle size and strength
thin filaments
a state of sustained, partial contraction of muscles that is necessary to maintain posture
Muscle tone refers to:
a muscle contracts
actin
sliding-filament model
myofibrils
the Calcium levels are higher than the ATP levels which keeps the myosin binded to the actin
increases the number of myofibrils which increases muscle size and strength
thin filaments
a state of sustained, partial contraction of muscles that is necessary to maintain posture
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