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Author Question: Ecdysone is a(n) A) peptide hormone. B) amine derivative. C) steroid hormone. D) (Read 634 times) |
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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.