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Author Question: What do the cell walls of plants and the extracellular matrix of animal cells h (Read 747 times) |
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
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The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.
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The average office desk has 400 times more bacteria on it than a toilet.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.