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Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

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Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

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According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Estimating the molecular weight of a protein Estimating the molecular weight of a protein
A signature sequence in the EF-1α/EF-Tu protein family A signature sequence in the EF-1α/EF-Tu protein family
Structural changes in a multisubunit protein undergoing cooperative binding to ligand Structural changes in a multisubunit protein undergoing cooperative binding to ligand
Muscle cells Muscle cells
The insulin receptor and its structural relationship to other transmembrane receptors with protein The insulin receptor and its structural relationship to other transmembrane receptors with protein
Use of synthetic mRNAs to determine genetic code possibilities Use of synthetic mRNAs to determine genetic code possibilities
Video: Requirements for nervous signals

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