Answer: Cells typically receive signals in chemical form via various signaling molecules. When a signaling molecule joins with an appropriate receptor on a cell surface, this binding triggers a chain of events that not only carries the signal to the cell interior, but amplifies it as well.
Explanation:
Scabs and Clots to help stop cuts and scrapes from bleeding.
It would be "5.5 hours". Just divide 330 minutes by 60. 60 minutes = 1 hour.