Bacteria

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

Moderators: honeev, Leonid, amiradm, BioTeam

Post Reply
maryna
Garter
Garter
Posts: 3
Joined: Fri Jan 05, 2007 8:49 pm

Bacteria

Post by 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.

User avatar
sachin
King Cobra
King Cobra
Posts: 1517
Joined: Mon Jan 30, 2006 12:39 pm
Location: MUMBAI / INDIA
Contact:

Post by 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...
Senior Education Officer, BNHS, India. www.bnhs.org

Bitter Truth!
Who says reason for world war III will be Petrol?
Reason lies in two words "Me and Mine".

User avatar
mith
Inland Taipan
Inland Taipan
Posts: 5345
Joined: Thu Jan 20, 2005 8:14 pm
Location: Nashville, TN
Contact:

Post by mith » Sat Jan 06, 2007 7:36 pm

Hmm, I'm dunno the answer but does bulging indicate lowering of pressure or increase?
Living one day at a time;
Enjoying one moment at a time;
Accepting hardships as the pathway to peace;
~Niebuhr

Darby
Viper
Viper
Posts: 1278
Joined: Thu Mar 02, 2006 5:29 pm
Location: New York, USA

Post by Darby » Sat Jan 06, 2007 11:48 pm

Check out how Botulinum bacteria work (I may have the Latin ending wrong).

User avatar
canalon
Inland Taipan
Inland Taipan
Posts: 3909
Joined: Thu Feb 03, 2005 2:46 pm
Location: Canada

Post by canalon » Sun Jan 07, 2007 10:19 pm

Yep Keywords would be:

Clostridium botulinum
anaerobiosis
and of course: "food spoilage"
Patrick

Science has proof without any certainty. Creationists have certainty without
any proof. (Ashley Montague)

Nu_Crow
Garter
Garter
Posts: 7
Joined: Mon Aug 07, 2006 9:46 pm

Post by 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.

User avatar
sachin
King Cobra
King Cobra
Posts: 1517
Joined: Mon Jan 30, 2006 12:39 pm
Location: MUMBAI / INDIA
Contact:

Post by 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
Senior Education Officer, BNHS, India. www.bnhs.org

Bitter Truth!
Who says reason for world war III will be Petrol?
Reason lies in two words "Me and Mine".

Post Reply

Who is online

Users browsing this forum: No registered users and 4 guests