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Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

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On average, the stomach produces 2 L of hydrochloric acid per day.

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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).

Hill plots for oxygen binding to myoglobin and hemoglobin Hill plots for oxygen binding to myoglobin and hemoglobin
Complementary shapes of a substrate and its binding site on an enzyme Complementary shapes of a substrate and its binding site on an enzyme
An agarose gel containing separated DNA fragments stained with the DNA-binding dye An agarose gel containing separated DNA fragments stained with the DNA-binding dye
Models of the lac repressor and its binding to operator sites in DNA Models of the lac repressor and its binding to operator sites in DNA
Ribosome structure and tRNA-binding sites interpreted from cryo-EM–generated data Ribosome structure and tRNA-binding sites interpreted from cryo-EM–generated data
Regulatory Proteins Binding to lac Operon Regulatory Sequences Regulatory Proteins Binding to lac Operon Regulatory Sequences
Video: Flexor reflex & Crossed extensor reflex

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