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effect of temperature on the survival of yeast cells

Discussion of all aspects of cellular structure, physiology and communication.

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Postby CrimsonFalcon » Thu Apr 26, 2007 7:56 pm

ummm.. not a clue! do we need to know that?! :/

i hope not.. well im not guna do stuff on that i guess *dies*
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Postby 01addiv-llangirb » Thu Apr 26, 2007 8:02 pm

Sensible. I am a bit of an odd ball (further maths) But i only ask because different enzymes go at different points so theoretically the cell could be clear but still 'living' just incapacitated.
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Postby CrimsonFalcon » Thu Apr 26, 2007 8:04 pm

fair nuth ^_^ hehe.

i think we have taken over the forum.... mwhaha! anyhoo ALMOST DONE YAYES! *cheer* :D
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Postby Steen » Thu Apr 26, 2007 8:05 pm

Nice! so 60-70 was pretty much the right bracket then!
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Postby 01addiv-llangirb » Thu Apr 26, 2007 8:06 pm

Well done!

I only got it today but have started well so the deadline should be doable. How long have you had?

Oh just bear this in mind:

METHYLENE BLUE
CASRN: 61-73-4

Hazardous Decomposition:
When heated to decomp ... emits very toxic fumes of /nitrogen oxides, sulfur oxides and hydrogen chloride/.

[Lewis, R.J. Sax's Dangerous Properties of Industrial Materials. 9th ed. Volumes 1-3. New York, NY: Van Nostrand Reinhold, 1996., p. 451]**QC REVIEWED**
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Postby CrimsonFalcon » Thu Apr 26, 2007 8:09 pm

01addiv-llangirb wrote:Well done!

I only got it today but have started well so the deadline should be doable. How long have you had?

Oh just bear this in mind:

METHYLENE BLUE
CASRN: 61-73-4

Hazardous Decomposition:
When heated to decomp ... emits very toxic fumes of /nitrogen oxides, sulfur oxides and hydrogen chloride/.

[Lewis, R.J. Sax's Dangerous Properties of Industrial Materials. 9th ed. Volumes 1-3. New York, NY: Van Nostrand Reinhold, 1996., p. 451]**QC REVIEWED**


oh? didnt knwo that best i check that out! :/

umm. ive done it in 2 days. i got it last friday? i get busy thou, and rarther play craft over this.. haha xD nvm. ill be finishing this up within the next hour and running off to do sumit else ! *cheers* smelly work setting people /pokes them all! *grins* its in tomorrow for me
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Postby Steen » Thu Apr 26, 2007 8:10 pm

01addiv-llangirb wrote:Sensible. I am a bit of an odd ball (further maths) But i only ask because different enzymes go at different points so theoretically the cell could be clear but still 'living' just incapacitated.


It states in our brief thing that it's the enzymes involved in respiration and according to the faithful Mrs Gren (or Nerg) if you prefer, all living things must respire and therefore if the enzymes involved in respiration aren't working, the yeast is technically, by definition, not alive. I think...
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Postby CrimsonFalcon » Thu Apr 26, 2007 8:10 pm

try this site too, it could help abit

http://www.uni-regensburg.de/Fakultaete ... ugar-e.htm
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Postby CrimsonFalcon » Thu Apr 26, 2007 8:11 pm

but like, umm.... if it aint living how is it killed? Oo heheee how bout that?
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Postby Steen » Thu Apr 26, 2007 8:12 pm

CrimsonFalcon wrote:but like, umm.... if it aint living how is it killed? Oo heheee how bout that?


It's alive until you kill it by heating it...MURDERER! :lol:
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Postby blcr11 » Thu Apr 26, 2007 8:13 pm

Re: the decomposition of methylene blue; this will be for solid material and the decomposition temperature is much higher than boiling water--which is probably about as high a temperature that will be sampled in this experiment. Methylene blue melts and 100-110 C, btw.
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Postby 01addiv-llangirb » Thu Apr 26, 2007 8:14 pm

Steen: Respiration constists of hundreds of chemical reactions involving a goodly number of enzymes and as module 2 should remind us respiration does not have to be completed to yeild ATP. But yes valid point if your not a nutter like me!lol

CrimsonFalcon: Thanks alot hope i have been of some use.
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