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Author Question: Usually ________ color bands can be observed in a rainbow. Fill in the blank(s) with correct ... (Read 30 times) |
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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.
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.