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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

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There are more nerve cells in one human brain than there are stars in the Milky Way.

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The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Features of normal metaphase chromosomes. Features of normal metaphase chromosomes.
Different chromosomes segregate independently Different chromosomes segregate independently
Interactions among chromosomes Interactions among chromosomes
The Haploid Number of Chromosomes for a Variety of Organisms The Haploid Number of Chromosomes for a Variety of Organisms
Opener Spectral karyotyping of human chromosomes Opener Spectral karyotyping of human chromosomes
Hypothetical segregation of three pairs of chromosomes in meiosis I Hypothetical segregation of three pairs of chromosomes in meiosis I
Video: Types of Transport - Uniport, Antiport and Symport (Glucose and Na+K+ Transporters)

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