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What are the molecules are attached to the myosin head from the previous cycle of movement?
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What 2 molecules are part of actin?
Actin and myosin are the molecules used for muscle contraction.
What is made of myosin?
Most myosin molecules are composed of both a head and a tail domain.
Does the enzyme ATPase occur in the globular portion of myosin molecules?
true
Are actin and myosin structural proteins?
In addition to providing structural support, actin filaments are involved in movement when they interact with the specialized protein myosin. Myosin is a motor protein that converts the chemical energy in ATP into the mechanical work of movement. The interaction between actin and myosin that produces movement: When ATP binds to themyosin and is then hydrolyzed to ADP, the "head" region of the myosin molecule binds to the actin filament on the slide. The movement of this protein causes the ctin filament to slide. This type of movement is analogous to a line of people who are passing along a long log or pole, the people are myosin molecules; the log is the is the actin.
Does Tropomyosin molecules move and expose specific sites on myosin filaments?
true
What 2 molecules are part of actin?
Actin and myosin are the molecules used for muscle contraction.
Does protein make actin and myosin?
Actin and myosin are proteins. Protein is a broad category of molecules.
Cross bridges are portions of?
myosin molecules
When myosin is attached to actin this is called a?
Cross bridge
What is made of myosin?
Most myosin molecules are composed of both a head and a tail domain.
What molecule is utilized by muscle cells for movement?
actin myosin and cell movement
What prevents actin myofilaments from sliding backward when a myosin head releases?
During contraction, there are always some myosin heads attached to the actin myofilament when other myosin heads are detaching.
Rigor mortis occurs because?
Lack of O2 and blood being provided to the bones
Difference between actin and myosin?
Myosin is a molecular motor that converts ATP to energy. Actin is responsible for cell movement and uses energy from the ATP conversion done by myosin..
Does the enzyme ATPase occur in the globular portion of myosin molecules?
true
Are actin and myosin structural proteins?
In addition to providing structural support, actin filaments are involved in movement when they interact with the specialized protein myosin. Myosin is a motor protein that converts the chemical energy in ATP into the mechanical work of movement. The interaction between actin and myosin that produces movement: When ATP binds to themyosin and is then hydrolyzed to ADP, the "head" region of the myosin molecule binds to the actin filament on the slide. The movement of this protein causes the ctin filament to slide. This type of movement is analogous to a line of people who are passing along a long log or pole, the people are myosin molecules; the log is the is the actin.
Does Tropomyosin molecules move and expose specific sites on myosin filaments?
true
