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Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

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Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

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A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Buck and Axel identified olfactory receptor proteins in olfactory receptor cells. Buck and Axel identified olfactory receptor proteins in olfactory receptor cells.
Molecules and flowers Molecules and flowers
Models of some representative proteins drawn to a common scale Models of some representative proteins drawn to a common scale
Exon recognition through cooperative binding of SR proteins and splicing factors Exon recognition through cooperative binding of SR proteins and splicing factors
The sodium–glucose cotransport channel The sodium–glucose cotransport channel
Structures of G proteins; Gsa-GTPgS Structures of G proteins; Gsa-GTPgS
Video: Chemical Messengers Animation

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