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Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

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HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

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Asthma cases in Americans are about 75% higher today than they were in 1980.

Food-conducting cells of the phloem. Food-conducting cells of the phloem.
induced pluripotent stem cells induced pluripotent stem cells
Flow cytometry data that shows the differences in CD3+ CD4+ cells that occur with HIV infection. ... Flow cytometry data that shows the differences in CD3+ CD4+ cells that occur with HIV infection. ...
(a) Budding yeast cells (Candida albicans). (b) Mold from a penicillium fungus. (a) Budding yeast cells (Candida albicans). (b) Mold from a penicillium fungus.
Regulation of fatty acid synthesis in animal cells Regulation of fatty acid synthesis in animal cells
Activation and Clonal Selection of a B Cells Activation and Clonal Selection of a B Cells
Video: Anatomy and Chemical Makeup of a Single Hair (Animation)

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