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The process called apoptosis is also known as " programmed

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The process called apoptosis is also known as " programmed  [#permalink] New post 01 Apr 2004, 08:25
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The process called apoptosis is also known as " programmed
cell death": under certain conditions, cells in the body have
possibility of "killing" themselves. For example, apoptosis is
observed in the suicide of brain neurons following a stroke. Brain
neurons that were damaged by the stroke are prone to become
cancerous. Such damaged brain neurons " kill" themselves in the
apoptosis process.

Which of the following can be inferred from the information given
above?

a. Apoptosis may help avoid damage to an organ that might be
caused by some of the organ cells.
b. Apoptosis happens whenever there is a chance that cells may
become cancerous, even if those cells were not severely damaged.
c. Stroke cannot be the cause of cell death, unless it is
accompanied by apoptosis.
d. Brain neurons are not the only cells in the body that may
undergo apoptosis, but so far they are the only evidence for it.
e. Damage of cells provoked by a stroke is the major contributor
to programmed cell death.
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 [#permalink] New post 01 Apr 2004, 14:13
Is it C :?
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 [#permalink] New post 01 Apr 2004, 14:28
B is the safest answer.
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 [#permalink] New post 01 Apr 2004, 15:15
I will also go with B.
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 [#permalink] New post 01 Apr 2004, 16:05
I will go with A here......Ap..Kills the damaged cells and helps prevent cancer....
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 [#permalink] New post 01 Apr 2004, 16:37
I think A is best even though there is an assumption that because damaged brain neurons are prone to become cancerous, it is necessarily the case for other organs.

B) is not right because even though cancerous cells are discovered, the apoptosis process is still not warranted because the argument says that it happens "under certain conditions". Therefore, saying that apoptosis process happens whenever we discover cancerous cells is not appropriate. Furthermore, "even when cells are not severely damaged" casts some doubts on the validity of the claim.

C) a stroke could cause cell death through other means than the apoptosis process. That we do not know.
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 [#permalink] New post 01 Apr 2004, 16:46
Me too A...

B ...is what we infer from the example and so we can generalize that.

Vivek.
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 [#permalink] New post 02 Apr 2004, 05:49
yes A it is

ans A: This is the only logical inference drawn from stimulus
The process called apoptosis is also known as " programmed
> cell death": under certain conditions, cells in the body have
> possibility of "killing" themselves.
  [#permalink] 02 Apr 2004, 05:49
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