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.

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter9: Molecular Biology

Section: Chapter Questions

Problem 10RQ: Control of gene expression in eukaryotic cells occurs at which level(s)? a. only the transcriptional...

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Concept explainers

Genomic studies

Genomic studies (genomics) is the study of the whole genome of an organism. Using bioinformatics and high-performance computing, genomic researchers examined massive amounts of deoxyribonucleic acid (DNA)-sequence data to discover variations or mutations that affect drug response, health, or disease. Genomics is a much younger discipline than genetics, having only emerged in the last few decades as a result of technological advancements in DNA sequencing and computational biology.

Question

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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