« previous next »
« previous next »
 

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

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?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Each New DNA Strand Grows from Its 5' End to Its 3' End Each New DNA Strand Grows from Its 5' End to Its 3' End
Evolutionary tree derived from amino acid sequence comparisons Evolutionary tree derived from amino acid sequence comparisons
Mass spectrometry (MS) for Mass, Sequence, and Amino Acid Analyses of Purified Proteins Mass spectrometry (MS) for Mass, Sequence, and Amino Acid Analyses of Purified Proteins
Catalysis by the intervening sequence in Tetrahymena preribosomal RNA Catalysis by the intervening sequence in Tetrahymena preribosomal RNA
Common restriction enzymes, with their recognition sequence, DNA cutting patterns, and sources Common restriction enzymes, with their recognition sequence, DNA cutting patterns, and sources
An insertion sequence (IS), shown in purple An insertion sequence (IS), shown in purple
Video: Requirements for nervous signals

For a complete list of videos, visit our video library