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Which alteration of oncogen Ras activity is most likely to contribute to the uncontrolled growth of cancer cells?
BlueSky1
Ras is a GTPase that functions in many growth-factor signaling pathways. In its active form,with GTP bound, it transmits a downstream signal that leads to cell proliferation; in its inactive form, with GDP bound, the signal is not transmitted. Uncontrolled growth of cancer cells will occur when there is an alteration that decreases the rate of hydrolysis of GTP by Ras. If thius rate is decreased, GTP will not be hydrolysed as quickly to GDP, causing there to be more cell proliferation than needed.
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∙ 13y ago
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What is proto-oncogen?
An oncogene is a modified gene, or a set of nucleotides that codes for a protein and is believed to cause cancer.
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What are some seven letter words with 1st letter O and 3rd letter C and 4th letter O and 5th letter G?
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