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cell biology

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cell biology

Postby xxavierthomas1 » Fri Apr 11, 2008 4:21 pm

which term refers to cells having different jobs in an organism?
A)cell specialization
B)unicellualar
C)levels of organization
D)Multicelular :cry:
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Postby Darwin420 » Fri Apr 11, 2008 5:23 pm

Think about it. Etymology understand is very important in instances like this. Cell specialization is no, hence the word "specialization", which means focusing in one area. Unicellular is a no, hence the word "uni" which means one. Organisms that are unicellular just have one cell or a combination of the same cell.
I narrowed it down, now do your own research.
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Postby mith » Fri Apr 11, 2008 7:26 pm

you sure about that?
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Re: cell biology

Postby MichaelXY » Sat Apr 12, 2008 12:52 am

To quote your definition Darwin: "which means focusing in one area"

Nerve cells seem to be specialized in that they transmit and receive signals, they do not also function as skin cells. Blood cells carry oxygen, but do not sense pressure. Bone cells provide structural support, but do not make ATP from light energy. That sounds specialized to me...
All of these cells can be found in various multicellular organisms.
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Postby wheel » Sun Apr 13, 2008 4:11 am

Yes, cells specialization means doing only a certain job. The nature of this job would have to depend on the density of organelles inside the cells. For example, the palisade cells in plants contain abundant chloroplasts that enable the cells to carry out their job well. This is specialization to me.
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Re: cell biology

Postby bshrestha03 » Thu May 01, 2008 8:17 pm

xxavierthomas1 wrote:which term refers to cells having different jobs in an organism?
A)cell specialization
B)unicellualar
C)levels of organization
D)Multicelular :cry:

multicellular is the answr mate
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Postby MrMistery » Sun May 04, 2008 1:24 pm

No, it's not. Multicellular means "having many cells"
"As a biologist, I firmly believe that when you're dead, you're dead. Except for what you live behind in history. That's the only afterlife" - J. Craig Venter
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