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Author Question: True or False: Gene duplications provide an explanation for the origin of gene families. (Read 93 times) |
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The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.
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The average office desk has 400 times more bacteria on it than a toilet.
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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.