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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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.
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Approximately 25% of all reported medication errors result from some kind of name confusion.
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The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
The Sun is the nearest star to Earth.
The Sun is the nearest star to Earth.
Round-Lobed Hepatica
Beef Top Round
solve for θ to the nearest degree
Calculate the distance from point R(17,5) to the line ... Round to the nearest tenth of a