Asthma cases in Americans are about 75% higher today than they were in 1980.
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?
In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
Did you know?
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
Did you know?
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
Quaternary structure of deoxyhemoglobin. (PDB ID 2HHB)
Structure of a paramecium
Vienna: Social Structure and Social Interaction
Hepatitis C virion structure.
Plasticity of Secondary and Tertiary DNA Structure
Typical leaf structure of eudicots (left) and monocots (right).