« previous next »
« previous next »
 

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

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

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

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?

If you could remove all of your skin, it would weigh up to 5 pounds.

Structures and properties of pigment molecules Structures and properties of pigment molecules
Hematuria. An analysis of urine is performed to evaluate kidney function. In this illustration, the Hematuria. An analysis of urine is performed to evaluate kidney function. In this illustration, the
Anatomy of the skin. Illustration of a section of skin showing key structures. Anatomy of the skin. Illustration of a section of skin showing key structures.
Structures of β turns Structures of β turns
Structures formed by phospholipids in an aqueous environment: Micelle Structures formed by phospholipids in an aqueous environment: Micelle
Cis-element regulatory structures in eukaryotes Cis-element regulatory structures in eukaryotes
Video: Protein Secondary and Tertiary Structures - Animation

For a complete list of videos, visit our video library