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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?
The average office desk has 400 times more bacteria on it than a toilet.
Did you know?
The average adult has about 21 square feet of skin.
Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.
Did you know?
Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.