Multiple Choice
In skeletal muscle contraction, the thin filaments of the sarcomere are primarily composed of which protein?
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8. Protein Function
Skeletal Muscle Contraction
Back8. Protein Function
Skeletal Muscle Contraction
- Multiple ChoiceIn skeletal muscle, which of the following is NOT a protein found in the thin filament?1views
- Multiple ChoiceIn skeletal muscle cross-bridge cycling, what is the primary role of ATP binding and hydrolysis on the myosin head?1views
- Multiple ChoiceWhich protein functions as a motor protein that applies the power stroke during skeletal muscle contraction?68views
- Multiple ChoiceIn skeletal muscle contraction, what is the primary role of ATP in the cross-bridge cycle?1views
- Multiple ChoiceIn skeletal muscle, which of the following is NOT a protein found in the thin filament?1views
- Multiple ChoiceIn skeletal muscle sarcomeres, which protein is the primary component of the thick filaments?1views
- Multiple ChoiceIn skeletal muscle sarcomeres, which protein is the primary structural component of the thick filaments?1views
- Multiple ChoiceIn skeletal muscle sarcomeres, thick filaments are primarily composed of which protein?1views
- Multiple ChoiceIn skeletal muscle contraction, a skeletal muscle fiber deprived of adequate ATP supplies will most likely:
- Multiple ChoiceIn skeletal muscle sarcomeres, thin filaments are primarily composed of which protein?1views
- Multiple ChoiceIn skeletal muscle sarcomeres, which protein is the primary component of the thick filament?1views
- Multiple Choice
Which statement best describes the sliding filament model of a sarcomere contraction?
290views1rank - Open Question
Fill-in the blanks with numbers (1-7) to put the events of the actomyosin cycle in order from beginning to end:
a) _____: Myosin releases Pi.
b) 1 : Myosin binds ATP.
c) _____: Myosin head bonds tightly to thin actin filament.
d) _____: Myosin power stroke occurs.
e) _____: Myosin-actin interaction is broken.
f) _____: Myosin head pivots to a high-energy state.
g) _____: Myosin hydrolyzes ATP to ADP and Pi.
153views1rank - Multiple Choice
Muscle contraction is directly caused by:
149views1rank