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Question:
What is the relationship between sarcomeres, myofibrils, and muscle cells?
A
Muscle cells contain myofibrils, which in turn are made up of sarcomeres.
explanation
Muscle cells are also called muscle fibers. Each muscle cell contains many myofibrils, each of which are made up of sarcomeres. A sarcomere is a segment of a myofibril that contains actin and myosin that slide across each other, leading to muscle contraction.
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