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Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

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

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

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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.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Looking at Cells Looking at Cells
Human immunodeficiency virus gains entry into helper T cells, uses the cell DNA to replicate, interf Human immunodeficiency virus gains entry into helper T cells, uses the cell DNA to replicate, interf
Stem cells in mammalian development Stem cells in mammalian development
Red cells have a biconcave shape. Red cells have a biconcave shape.
(a) Summary of major pathways of organic metabolism. Cells continually synthesize and break down car (a) Summary of major pathways of organic metabolism. Cells continually synthesize and break down car
Lederberg and Tatum’s detection of recombination between auxotrophic E. coli cells Lederberg and Tatum’s detection of recombination between auxotrophic E. coli cells
Video: Olfaction. or the sense of smell

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