« previous next »
« previous next »
 

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

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

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

(a) Longevity decreases with increased horn-length breeding value of harvested rams. (b) Mean-weight (a) Longevity decreases with increased horn-length breeding value of harvested rams. (b) Mean-weight
Lyme disease and other infections are caused by the bite of a tick. Lyme disease and other infections are caused by the bite of a tick.
Estimated Number of New Sexually Transmitted Infections Estimated Number of New Sexually Transmitted Infections
Mechanisms of action of antibiotics inhibiting bacterial protein synthesis. Mechanisms of action of antibiotics inhibiting bacterial protein synthesis.
Sample prescriptions of drugs for oral fungal infections. Sample prescriptions of drugs for oral fungal infections.
Components of bacterial and eukaryotic ribosomes Components of bacterial and eukaryotic ribosomes
Video: Enzyme structure - Properties of enzymes

For a complete list of videos, visit our video library