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Smooth endoplasmic reticulum

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Smooth endoplasmic reticulum

Postby prokaryotics » Thu Apr 15, 2010 9:48 pm

Hey just been pondering over this question for a while some help would be greatly appreciated.

"Under what circumstances would you expect a cell to increase the amount
of its smooth endoplasmic reticulum?"

So my ideas
= Increase in presence of drugs/poisons as the Smooth ER has the function of detoxifying drugs and poisons, a cell such as a liver cell will thus require a lot more Smooth ER in these types of conditions (to prevent damage)

cant think iof much more

thanks alot
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Postby JackBean » Thu Apr 15, 2010 9:50 pm

yeah, that seems reasonable.

What about need for more lipids in fast growing cells?
http://www.biolib.cz/en/main/

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Postby prokaryotics » Thu Apr 15, 2010 10:08 pm

Ah sounds good, um Smooth ER also stores Ca+ ions, could we relate something to muscular action?

And any tips on the structuring of my answer cheers
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Postby jwalin » Fri Apr 16, 2010 2:47 am

if its used as Ca2+ store (i aint sure of that) then it can be used in muscle cells, Beta cells of islets of langerhaans and at pre synaptic knobs.
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Postby MrMistery » Mon Apr 19, 2010 12:47 am

i don't think fast growing cells have an enlarged smooth ER..
Though hepatocytes and myocytes are good examples
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