Duchenne's muscular dystrophy is an X-linked inherited disease that caused progressive loss of muscle cells. When the muscle cells die, it will be replaced by fat or connective tissue. Typical microscopic changes that can be found microscopically would be the decreased number of muscle cells and the increased number of fat/connective tissue
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C. Mitochondria
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Viruses lack a mitochondria.
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Carbon
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Because Co i think stands for copper
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The monomers combine with each other by covalent bonds to form larger molecules known as polymers.
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the answer is B.)black hole
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