« previous next »
« previous next »
 

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

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

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

ATP yield per molecule of glucose at each stage of cellular respiration. ATP yield per molecule of glucose at each stage of cellular respiration.
Apidium may be ancestral to all later higher primates and is reconstructed as looking like a small-b Apidium may be ancestral to all later higher primates and is reconstructed as looking like a small-b
Carbon dioxide. This molecule exhibits a nonpolar bond and results in a linear and symmetrical ... Carbon dioxide. This molecule exhibits a nonpolar bond and results in a linear and symmetrical ...
The molecular structure of methanol showing the one carbon atom, four hydrogen atoms, and one ... The molecular structure of methanol showing the one carbon atom, four hydrogen atoms, and one ...
Schematic representation of MHC class I molecule, consisting of 3 α domains and 1 β2-microglobulin ... Schematic representation of MHC class I molecule, consisting of 3 α domains and 1 β2-microglobulin ...
The Molecular Structure and Behavior of Lipids The Molecular Structure and Behavior of Lipids
Video: Origin of organelles Animation

For a complete list of videos, visit our video library