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Bacteria

About microscopic forms of life, including Bacteria, Archea, protozoans, algae and fungi. Topics relating to viruses, viroids and prions also belong here.

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Bacteria

Postby maryna » Fri Jan 05, 2007 9:01 pm

Cans of tinned food sometimes begin to bulge and lose their shape. infer what is happening inside the can. would you eat the food contained in tis can? explain your answer.
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Postby sachin » Sat Jan 06, 2007 5:55 am

The answer is related to;

Mould formation and oxygen usage and lowering of pressure....

Home work hints are enough for the answer...
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Postby mith » Sat Jan 06, 2007 7:36 pm

Hmm, I'm dunno the answer but does bulging indicate lowering of pressure or increase?
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Postby Darby » Sat Jan 06, 2007 11:48 pm

Check out how Botulinum bacteria work (I may have the Latin ending wrong).
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Postby canalon » Sun Jan 07, 2007 10:19 pm

Yep Keywords would be:

Clostridium botulinum
anaerobiosis
and of course: "food spoilage"
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Postby Nu_Crow » Sat Jan 13, 2007 9:21 pm

some anaerobic bacterias can obtain energy directly from the "fermentation" of aminoacids in the food producing gases increasing the preasure of the can.
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Postby sachin » Sun Jan 14, 2007 5:34 am

Nu_Crow wrote:some anaerobic bacterias can obtain energy directly from the "fermentation" of aminoacids in the food producing gases increasing the preasure of the can.


You have to say Decrease....... :P
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