Question

All of the cells in more than 100 types of cancer share which of the following...

All of the cells in more than 100 types of cancer share which of the following traits?

a:Rapid cell division

b:Evade apoptosis (programmed cell death)

c:Form solid tumors

d:Require a single genetic change to cause disease

e:None of the above

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Answer #1

Rapid cell division

All of the cells show these properties in a cancer. They are gentically altered in such a way that they can divide uncontrollably. It is due to rapid cell division that they grow faster than the normal cells and it is the basis of chemotherapy. They often have genes (p53) which initiates apoptosis upon DNA damage or cellular damage inactivated or repressed. This would lead the cell to conitnue proliferation and attain immortality.

Not all the cancer cells evade apoptosis but all the cancer cells do attain an advantage in their environment for rapid proliferation by mutations.

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