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The Living World 8th Edition by George Johnson
النسخة 8الرقم المعياري الدولي: 978-0078024214The Living World 8th Edition by George Johnson
النسخة 8الرقم المعياري الدولي: 978-0078024214 تمرين 7
The normal function of the p53 gene in the cell is
A) as a tumor-suppressor gene.
B) to monitor the DNA for damage.
C) to trigger the destruction of cells not capable of DNA repair.
D) All of the above.
In about 50% of cancers, the gene p53 is undamaged. In many of these cancers, a mutation has inactivated
A) MDM2.
B) a gene suppressing MDM2.
C) a gene activating MDM2.
D) a gene activating p 53.
Despite all that we know about cancer today, some types of cancers are still increasing in frequency. Lung cancer among nonsmoking women is one of these. What reason(s) might there be for this increasing problem? Can you suggest a solution?
A) as a tumor-suppressor gene.
B) to monitor the DNA for damage.
C) to trigger the destruction of cells not capable of DNA repair.
D) All of the above.
In about 50% of cancers, the gene p53 is undamaged. In many of these cancers, a mutation has inactivated
A) MDM2.
B) a gene suppressing MDM2.
C) a gene activating MDM2.
D) a gene activating p 53.
Despite all that we know about cancer today, some types of cancers are still increasing in frequency. Lung cancer among nonsmoking women is one of these. What reason(s) might there be for this increasing problem? Can you suggest a solution?
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When cells stop responding to the protei...
The Living World 8th Edition by George Johnson
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