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Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

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The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

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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).

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Human kidneys will clean about 1 million gallons of blood in an average lifetime.

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Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Primary steps in fibrinolysis Primary steps in fibrinolysis
Sequence of events from DNA to protein. Sequence of events from DNA to protein.
Annotation of a DNA sequence containing part of the human beta-globin gene Annotation of a DNA sequence containing part of the human beta-globin gene
Combination of arrangement and sequence is correct Combination of arrangement and sequence is correct
An insertion sequence (IS), shown in purple An insertion sequence (IS), shown in purple
Proposed steps for transformation of a bacterial cell by exogenous DNA Proposed steps for transformation of a bacterial cell by exogenous DNA
Video: Amniocentesis and CVS Animation

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