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Author Question: Which of the following is NOT a form of vitamin A? a. Retinol b. Retinal c. Retinoic acid d. ... (Read 24 times) |
The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.
In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.