One example of an oncogene is ras. Ras is a G protein that is activated when growth factors bind to a G protein-coupled receptor. The mutated form of ras binds to GTP but does not allow the GTP to be broken down to GDP. Ras is involved in both the G¡ and G2 checkpoints. What happens to cells that have this mutated form of ras? O A. They divide when they should not. O B. They don't divide when they should. O C. They enter mitosis without going through the S phase of the cell cycle. O D. They enter cytokinesis without going through the M phase of the cell cycle.
One example of an oncogene is ras. Ras is a G protein that is activated when growth factors bind to a G protein-coupled receptor. The mutated form of ras binds to GTP but does not allow the GTP to be broken down to GDP. Ras is involved in both the G¡ and G2 checkpoints. What happens to cells that have this mutated form of ras? O A. They divide when they should not. O B. They don't divide when they should. O C. They enter mitosis without going through the S phase of the cell cycle. O D. They enter cytokinesis without going through the M phase of the cell cycle.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:One example of an oncogene is ras. Ras is a G protein that is activated when growth factors bind to a G
protein-coupled receptor. The mutated form of ras binds to GTP but does not allow the GTP to be
broken down to GDP. Ras is involved in both the G¡ and G2 checkpoints.
What happens to cells that have this mutated form of ras?
O A. They divide when they should not.
O B. They don't divide when they should.
O C. They enter mitosis without going through the S phase of the cell cycle.
D. They enter cytokinesis without going through the M phase of the cell cycle.
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