The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
(A) A 62-year-old patient with myxedema exhibiting marked edema of the face and a somnolent look. Th
Nursing school
A typical office file room. (Paper medical records are rapidly being replaced by electronic ...
OraQuick. A negative result would show a red line at the "C" mark, whereas a positive ...
Elizabeth, a married 35-year-old woman, always thought that she followed a sensible diet