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Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

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Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

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Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Anaphase Centromeres split and daughter chromosomes migrate to opposite poles Anaphase Centromeres split and daughter chromosomes migrate to opposite poles
(a) In nondisjunction in meiosis I, one pair of chromosomes fails to separate properly at anaphase I (a) In nondisjunction in meiosis I, one pair of chromosomes fails to separate properly at anaphase I
Segregation of chromosomes at meiosis in a 14/21 translocation carrier. Six types of gametes are pro Segregation of chromosomes at meiosis in a 14/21 translocation carrier. Six types of gametes are pro
Polytene chromosomes derived from larval salivary gland cells of Drosophila Polytene chromosomes derived from larval salivary gland cells of Drosophila
Lampbrush chromosomes derived from amphibian oocytes Lampbrush chromosomes derived from amphibian oocytes
Pulse–chase labeling evidence of bidirectional DNA replication in mammalian chromosomes Pulse–chase labeling evidence of bidirectional DNA replication in mammalian chromosomes
Video: Interview with an Anorexic Woman (Part 2 of 2)

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