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Author Question: Choose the statement that best describes how endogenous variables differ from exogenous variables. (Read 115 times) |
Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.
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 shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.
Everyone has one nostril that is larger than the other.
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.