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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

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Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

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In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Action of Steroid Hormones Action of Steroid Hormones
Classification of Sex Steroid Hormones Classification of Sex Steroid Hormones
Steroid ring structure Steroid ring structure
Cellulose and chitin are examples of structural polysaccharides Cellulose and chitin are examples of structural polysaccharides
The conserved DNA-binding domain in steroid receptors The conserved DNA-binding domain in steroid receptors
Predicted polypeptide sequences translated from potential ORFs in the human TUBA3C gene Predicted polypeptide sequences translated from potential ORFs in the human TUBA3C gene
Video: Elementary kinetics

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