Bottom, signal enters the cell nucleus and causes transcription of DNA, which is then expressed as protein. The MAPK/ERK pathway (also known as the Ras-Raf-MEK-ERK pathway) is a chain of proteins in the cell that communicates a signal from a receptor on the surface of the cell to the DNA in the nucleus of the cell.
Shooting At U.S. Capitol Visitors Center: One Injured, Shooter In Custody. After multiple reports of shots fired at the United States Capitol building today, the Capitol and the White House have been placed on lockdown. The Associated Press is reporting that police report the shooter is down, and one woman, a bystander, appears to have been wounded.
Miriam Carey Identified As Woman Shot By Police Near Capitol. Law enforcement officers have confirmed the identity of the woman shot by police outside the Capitol building on Thursday. The woman who attempted to drive through White House barriers and set off a Capitol Hill police chase was identified as 34-year-old Miriam Carey of Stamford, Conn. According to ABC News, Carey had a history of mental health issues and suffered from post-partum depression.