« previous next »
« previous next »
 

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

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?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Uncommon amino acids Uncommon amino acids
20 common amino acids 20 common amino acids
Proteins and Amino Acids Proteins and Amino Acids
The bacterium Escherichia coli is commonly referred to as E. coli. Seen here with multiple flagella The bacterium Escherichia coli is commonly referred to as E. coli. Seen here with multiple flagella
Ectoparasitic ticks attached to and sucking blood from a finch. Ectoparasitic ticks attached to and sucking blood from a finch.
Wind that lifts the hairy modified sepals of a dandelion (Taraxacum) fruit may carry the attached se Wind that lifts the hairy modified sepals of a dandelion (Taraxacum) fruit may carry the attached se
Video: Secondary and tertiary levels of protein structure Animation

For a complete list of videos, visit our video library