Proto-oncogenes normally function to increase v cell division. If a mutation occurs to a proto-oncogene it may produce an abnormal protein that leads to the formation of cancer decrease cell Tumor-suppressor genes normally function to division. If a mutation occurs to a tumor-suppressor gene there is a loss of control V which may lead to the formation of abnormal tissue Researchers have identified more proto-oncogenes compared to tumor-suppressor genes. Ras is an example of a proto-oncogene while Cas is an example of a tumor-suppressor gene.
Proto-oncogenes normally function to increase v cell division. If a mutation occurs to a proto-oncogene it may produce an abnormal protein that leads to the formation of cancer decrease cell Tumor-suppressor genes normally function to division. If a mutation occurs to a tumor-suppressor gene there is a loss of control V which may lead to the formation of abnormal tissue Researchers have identified more proto-oncogenes compared to tumor-suppressor genes. Ras is an example of a proto-oncogene while Cas is an example of a tumor-suppressor gene.
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:**Proto-oncogenes and Tumor-Suppressor Genes**
**Proto-oncogenes** normally function to *increase* cell division. If a mutation occurs to a proto-oncogene, it may produce *an abnormal protein* that leads to the formation of *cancer*.
**Tumor-suppressor genes** normally function to *decrease* cell division. If a mutation occurs to a tumor-suppressor gene, there is *a loss of control* which may lead to the formation of *abnormal tissue*.
Researchers have identified *more* proto-oncogenes compared to tumor-suppressor genes.
- *Ras* is an example of a proto-oncogene while
- *Cas* is an example of a tumor-suppressor gene.
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