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Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Pairs of heavy and light chains combine to form a Y-shaped molecule Pairs of heavy and light chains combine to form a Y-shaped molecule
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Typical characteristics of r-selected and k-selected species Typical characteristics of r-selected and k-selected species
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Video: B cells and antibodies

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