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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?
Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.
Did you know?
Excessive alcohol use costs the country approximately $235 billion every year.
Did you know?
The average office desk has 400 times more bacteria on it than a toilet.
Did you know?
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.