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Marysya12 [62]
3 years ago
9

What is the relationship between proto-oncogenes and oncogenes? hints what is the relationship between proto-oncogenes and oncog

enes? both are involved in arresting the cell cycle. oncogenes are mutant forms of proto-oncogenes. oncogenes are versions of proto-oncogenes that have been permanently switched off. both must be activated to halt cell division?
Biology
1 answer:
Elan Coil [88]3 years ago
7 0
Oncogenes result from turning on, or activating proto oncogenes. Proto oncogenes are genes that code for positive cell cycle regulators, so proto oncogenes code for proteins that turn on cell division. Proto oncogenes are normal genes, but when they are mutated, they become oncogenes.  Oncogenes are expressed too much, which makes them  turn on cell division too much, which is cancer. 
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