« previous next »
« previous next »
 

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

The north-facing slope at this site supports a Mediterranean woodland, while the vegetation on the s The north-facing slope at this site supports a Mediterranean woodland, while the vegetation on the s
Inspect the site for potential veins to use and palpate to further locate a vein and test the firmne Inspect the site for potential veins to use and palpate to further locate a vein and test the firmne
Site of action of diuretics. Site of action of diuretics.
GTP binding site on a Ga protein, Gia1 GTP binding site on a Ga protein, Gia1
If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ... If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ...
Bacteriophage site-specific recombination systems Bacteriophage site-specific recombination systems
Video: What is an ecosystem?

For a complete list of videos, visit our video library