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Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

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IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

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Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

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The horizontal fraction bar was introduced by the Arabs.

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The average office desk has 400 times more bacteria on it than a toilet.

Genetic control of eye evolution. Genetic control of eye evolution.
The bobcat population has seen declines in the American Midwest, but is generally stable and healthy The bobcat population has seen declines in the American Midwest, but is generally stable and healthy
Model for control of cytoplasmic polyadenylation and translation initiation Model for control of cytoplasmic polyadenylation and translation initiation
Major control mechanisms affecting glycolysis and gluconeogenesis Major control mechanisms affecting glycolysis and gluconeogenesis
Feedback control of ADH secretion Feedback control of ADH secretion
Video: Sex-Linked Traits! How are eye colors inherited in fruit flies?

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