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Bacteria on Sore Throat

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Bacteria on Sore Throat

Postby meBioStudent » Wed Sep 27, 2006 10:51 pm

hi everybody, im new to the forums and im a university student here in Canada. i would just like to ask a question cus im not sure if my answer is right.

**Bacteria can cause a SORE THROAT...so why using gargle with salt water a useful treatment in destroying the bacteria?

thx for the answers :P :D
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Postby meBioStudent » Thu Sep 28, 2006 9:53 pm

please, someone respond me asap!
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Postby mith » Thu Sep 28, 2006 10:27 pm

You're not sure your answer's right, what is your answer?
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Postby meBioStudent » Fri Sep 29, 2006 1:33 am

i think its cus the salt concentration will kill the bacteria since its an hypotonic solution, just like for example placing a blood cell on distilled water.

the bacteria will burst and booom!..

well tats wat i think, correct me if im wrong...
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Postby Dr.Stein » Fri Sep 29, 2006 2:26 am

Not all saline solution is hypotonic, it depends on the concentration, it could be hypo-, hyper, or iso-
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Postby Poison » Fri Sep 29, 2006 3:48 pm

meBioStudent wrote:i think its cus the salt concentration will kill the bacteria since its an hypotonic solution, just like for example placing a blood cell on distilled water.

the bacteria will burst and booom!..

well tats wat i think, correct me if im wrong...


Fresh water is more hypotonic than salty water. So why don't we use that? ;) And bacteria generally have cell walls.
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Postby kiekyon » Fri Sep 29, 2006 4:13 pm

meBioStudent wrote:i think its cus the salt concentration will kill the bacteria since its an hypotonic solution, just like for example placing a blood cell on distilled water.

the bacteria will burst and booom!..

well tats wat i think, correct me if im wrong...


you get it the other way round. salt water is hypertonic, therefore the bacteria will be lose water through osmosis
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Postby fluktuacia » Mon Oct 02, 2006 2:42 pm

kiekyon is right, i've read it's really because it's hypertonic.. and cell wall si permeable, so it can not hold water in (isn't it?:P)
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Postby Poison » Mon Oct 02, 2006 8:18 pm

I was just trying to make him/her find him/herself... Nevermind...
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Postby Dr.Stein » Tue Oct 03, 2006 8:53 am

I said salt water can be hypotonic, isotonic, or hypertonic depends on its concentration :twisted:
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Postby Mhlengi » Thu Oct 05, 2006 7:54 am

Salty water dehydrates the bacteria.Often salty water in which you can taste the salt is hypertonic compared to the bacterial cell thus exerting an osmotic preesure on the cell.A hypotonic solution relative to that of the bactria is less effective as many bacteria posses cell walls that are similar to those of plants.The bacteria will in such a case become turgid.Turgidity will affect the physiological appearance of the bacteria and will affect its survival and livelihood significantly in quite extreme cases.Thats what I think.
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Postby Dr.Stein » Thu Oct 05, 2006 8:19 am

Yeah I think that's right 8)
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