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Author Question: Which statement is false? a. Hydrocarbons are hydrophobic. b. Hydrocarbons are less dense than ... (Read 71 times) |
The familiar sounds of your heart are made by the heart's valves as they open and close.
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.
Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.