Examlex
If the marginal cost of any activity is constant at $4,then at the optimal quantity of the activity,the marginal benefit will be $4.
Sarcolemma
The sarcolemma is the specialized plasma membrane surrounding striated muscle fiber cells.
Sarcomere
The fundamental unit of muscle structure that is responsible for muscle contraction, composed of myosin and actin filaments.
A Band
Length of the myosin myofilament in a sarcomere.
H Zone
Area in the center of the A band in which there are no actin myofilaments; contains only myosin.
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