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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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The human body produces and destroys 15 million blood cells every second.

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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

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The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Common arachnids. Common arachnids.
The Common Pochard, Aythya ferina, is a medium-sized diving duck. The Common Pochard, Aythya ferina, is a medium-sized diving duck.
Typical slip-joint pliers are common household pliers. The slip joint allows the jaws to be opened ... Typical slip-joint pliers are common household pliers. The slip joint allows the jaws to be opened ...
Common Cytochrome P450 Drug Interactions in Dentistry Common Cytochrome P450 Drug Interactions in Dentistry
Common Suffixes Cont. Common Suffixes Cont.
This living protozoan is the common Paramecium multimicronucleatum that moves by means of its numero This living protozoan is the common Paramecium multimicronucleatum that moves by means of its numero
Video: Bone tissue types - compact and spongy

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