Myoblasts A) communicate a muscle fiber's need for more O₂. B) lie in a ring around the muscle fibers, absorbing their metabolic waste. C) are embryonic cells that fuse to form skeletal muscle fibers. D) move through the muscle fibers, providing ATP where it is most needed. E) are phagocytic, watching for and then attacking pathogens in the muscle fiber.

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Quizplus · Accepted Answer

Myoblasts are embryonic cells that fuse to form skeletal muscle fibers. They do not communicate the need for metabolites, absorb waste, provide ATP or attack pathogens.