|
|
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?
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
Did you know?
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Did you know?
Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
Did you know?
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
![Chinese workers on a railway in the far West. “Without them,” Leland Stanford, president of the Cent](https://biology-forums.com/gallery/47/medium_376063_22_08_15_11_31_02_223711629.jpeg)
![Spring force, crankcase pressure, and intake manifold vacuum work together to regulate the flow rate ...](https://biology-forums.com/gallery/30/medium_548020_01_06_17_5_17_25_30124251.png)