Biology-Online • View topic - Ras pathway

Join for Free!
122511 members

Ras pathway

Discussion of all aspects of cellular structure, physiology and communication.

Moderator: BioTeam

Ras pathway

Postby jello22 » Sun Apr 26, 2009 3:54 am

1)When epidermal growth factor is added to epithelial cells, the Ras and Raf proteins are both acitivated. From this observation by itself, what conclusion can you draw about the relationship between Ras and Raf?
2)In mutant cells containing a permanently activated Ras protein, addition of EGF does not activate the Raf protein as much as it does in normal cells. What conclusion can you draw from this observation?

Help will be greatly appreciated.
Posts: 2
Joined: Sun Apr 26, 2009 3:50 am

Postby mith » Sun Apr 26, 2009 6:27 am

1. Depends on what you mean by activated. Usually, an increase of expression means nothing.
Living one day at a time;
Enjoying one moment at a time;
Accepting hardships as the pathway to peace;
User avatar
Inland Taipan
Inland Taipan
Posts: 5345
Joined: Thu Jan 20, 2005 8:14 pm
Location: Nashville, TN

Return to Cell Biology

Who is online

Users browsing this forum: No registered users and 3 guests