what is o band in muscle
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Sarcomeres are composed of long, fibrous proteins as filaments that slide past each other when a musclecontracts or relaxes. ... Other bandsappear when the sarcomere is relaxed. A muscle fiber from a biceps musclemay contain 100,000 sarcomeres. The myofibrils of smooth muscle cells are not arranged into sarcomeres. Please mark as a brainlisy
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