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Author Question: Which of the following statements about sex chromosomes is true? (Read 108 times) |
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According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.
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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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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.