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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

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Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

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More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

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Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

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The horizontal fraction bar was introduced by the Arabs.

Titan's dense atmosphere shrouds the moon beneath a tan haze in this image. Titan's dense atmosphere shrouds the moon beneath a tan haze in this image.
The tenuous atmosphere of Mars, visible on the horizon in this low-orbit photo The tenuous atmosphere of Mars, visible on the horizon in this low-orbit photo
Dimensions for gathering data Dimensions for gathering data
Physical and Perceptual Dimensions of Sound Waves Physical and Perceptual Dimensions of Sound Waves
Global Dimensions Global Dimensions
Main Theoretical Traditions in Sociology Main Theoretical Traditions in Sociology
Video: HIV replication/ Replication cycle of HIV

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