객관식
What is the role of ATP in muscle contraction?
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3. Energy & Cell Processes
ATP
객관식
Which of the following is the site of ATP binding and hydrolysis?
A
Tropomyosin
B
Myosin head
C
Actin filament
D
Troponin
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검증된 단계별 안내1
Understand the role of ATP in muscle contraction: ATP is crucial for muscle contraction as it provides the energy needed for the process.
Identify the components involved in muscle contraction: The key proteins involved are actin, myosin, tropomyosin, and troponin.
Focus on the myosin head: The myosin head is the part of the myosin molecule that interacts with actin filaments during muscle contraction.
Recognize the function of the myosin head: The myosin head binds to ATP and hydrolyzes it to ADP and inorganic phosphate, which provides the energy for the myosin head to change its conformation and pull on the actin filament.
Conclude that the myosin head is the site of ATP binding and hydrolysis: This is where the chemical energy from ATP is converted into mechanical energy for muscle contraction.
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