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?
The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
Did you know?
Excessive alcohol use costs the country approximately $235 billion every year.
Did you know?
The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
Did you know?
Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.
King Charles V, Holy Roman Emperor and ruler of Spain from 1516-1556, possessed the distinctive Habs
Prisoners from the front (1866) established Winslow Homer's reputation for spare truthfulness.
Hundreds of soldiers in a Spanish flu ward at Camp Funston, Kansas.