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Author Question: A steer must eat at least 100 pounds of grain to gain less than 10 pounds of muscle tissue. This illustrates (Read 1495 times) |
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.
Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.
Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.