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Author Question: Addition or deletion of a nucleotide in a gene causes a type of mutation called a ____________________. (Read 55 times) |
During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.
Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.
Approximately 500,000 babies are born each year in the United States to teenage mothers.
The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.