Did you know?
Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.
Did you know?
Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
Did you know?
Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.
Negative control of an inducible set of genes: function of the lac repressor in regulating the lac o
TEN RULES OF PERFORMANCE IN A REDESIGNED HEALTH CARE SYSTEM
The fact that a mother works outside the home has no negative effect on the well-being of her child ...
Gram-stained cervical smear. Note the gram-negative diplococci Neisseria gonorrhoeae ...
A latex agglutination test for rheumatoid factor. A positive control at 1. A negative control at 2. ...
If we make the substitution z=sqrt(x) to ∫sqrt(1-sqrt(x)) dx, the resulting integral is