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How does Ras oncogene contribute to cancers?

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How does Ras oncogene contribute to cancers?

(a) It codes for an anti-apoptotic protein, produced in abnormally large amounts

(b) It codes for a GTPase switch protein, which in its mutated form cannot be switched off

(c) It codes for a transcription factor produced abnormally in large amounts

(d) A growth factor that is continually active is encoded in its truncated form

The question was asked by my school principal while I was bunking the class.

This interesting question is from Oncogenes, Tumor Suppressor Genes and Programmed Cell Death topic in portion Biosignalling of Biochemistry

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Right choice is (b) It codes for a GTPase switch protein, which in its mutated form cannot be switched off

The best explanation: Ras oncogene codes for a GTPase switch protein, which in its mutated form cannot be switched off.

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