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BIOL250 A001 Quiz 7 Latest updated exam with complete verified solutions

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BIOL250 A001 Quiz 7 Latest updated exam with complete verified solutions

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BIOL250 A001 Quiz 7 Latest
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W10: Quiz 7




Attempt Score - 92 %
Overall Grade (Highest Attempt) - 92 %




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Question 1 points
Where does a muscle fiber first respond to signaling from a motor neuron?




ATP-binding site
Flexible hinge region
Neuromuscular Junction
Excitation point
Myosin binding site

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Question 2 points
In muscular hypertrophy, what happens to muscle fibers?




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Structural proteins are added and cell diameter increases
Muscle mass decreases
Muscle fibers deteriorate from lack of use
New muscle cells are formed
Structural proteins are lost and cell diameter decreases

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Question 3 points
A motor unit is defined as comprising which of the following:

A motor neuron and the muscle fibers it innervates
A packet of actin and myosin microfilaments
All of the muscle fibers in a specific muscle
A functional group of sarcomeres
The sarcomere and its associated sarcolemma


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