IGCSE/GCSE/O & A Level/IB/University Student Forum
Qualification => Subject Doubts => IGCSE/ GCSE => Sciences => Topic started by: madikay on June 07, 2009, 02:41:51 pm
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can anyone help me with these questions:
outline the use of microorganisms and fermenters to manufacture enzymes for use in biological washing powders.
Thank you
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can anyone help me with these questions:
outline the use of microorganisms and fermenters to manufacture enzymes for use in biological washing powders.
Thank you
I'll give it a try iam not sure but i can help more if you give me the Q no and year.
umm I know the role of enzymes in biological washing powder:
Certain stains cannot be dissolved in water, so they are difficult to be removed by water, an example of such staints are blood and egg stains.
biological washing powders contain enzymes, such enzymes act as catalysts that help in removing stains by breaking the insoluble molecules of stains into soluble molecules so they can be washed and removed by water.
Example of enzyme used in washing powders:
Lipases: enzyme which catalyze the breakdown of fats to fatty acids ,this is important in removing greasy stains.
Proteases: enzyme which catalayze the breakdown of insoluble proteins into soluble amino acids and this is important in removing stains such as blood stains.
ist any good???
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you have to talk about that intracellular and extracellular enzyme crap...
points you have to talk about are that:
-you need a fermenter
-you need a source from where enzymes can be collected (eg yeast)
-you need a feedstock which contains molasses
-conditions - 27 celsius and alkaline pH
-mention a paddle to stir liquid
then finally say what is required to obtain intra/extracellular
intra - feedstock filtered, microorganisms filtered. its then crushed and extracted
extra - feedstock filtered and extracted
thats it...write this and u are assured full marks on any type of this question
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can anyone help me with these questions:
outline the use of microorganisms and fermenters to manufacture enzymes for use in biological washing powders.
Thank you
First we put microorganisms in fermenter having all the suitable contions(37'C,ph6.7) and add a suitable feed stock(glucose,nitrates,.....)and then let the mo to reproduce producing the enzymes needed
BUT if the mo was extracellular,we filter the enzyme easily
and if it was extracellular we crush the mo and we extract the enzyme by water or other solvent
Then we do the process again to get more enzymes
and the enzymes r used as sara said exactly
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thanks all three of you +rep for all
Really thanks alot
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First of all, what is a fermenter again???
and two whats mollasses?
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First of all, what is a fermenter again???
and two whats mollasses?
A big container!
I dnt think tht we should know mollasses
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hey guys do you have any predictions for the bio tommorrow, well i think this particular question is going to come.
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wel, i dont know, u never know...but what predicion?/
and yeah i know a fermenter is a big container..but what does it do?
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wel, i dont know, u never know...but what predicion?/
and yeah i know a fermenter is a big container..but what does it do?
it jst hold the microorganism and its food and has a port wer the feed stock is entered and another to take the products out!!!
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can anyone help me with these questions:
outline the use of microorganisms and fermenters to manufacture enzymes for use in biological washing powders.
Thank you
First we put microorganisms in fermenter having all the suitable contions(37'C,ph6.7) and add a suitable feed stock(glucose,nitrates,.....)and then let the mo to reproduce producing the enzymes needed
BUT if the mo was extracellular,we filter the enzyme easily
and if it was extracellular we crush the mo and we extract the enzyme by water or other solvent
Then we do the process again to get more enzymes
and the enzymes r used as sara said exactly
u repeated extracellular
i dont get tht part ???
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can anyone help me with these questions:
outline the use of microorganisms and fermenters to manufacture enzymes for use in biological washing powders.
Thank you
First we put microorganisms in fermenter having all the suitable contions(37'C,ph6.7) and add a suitable feed stock(glucose,nitrates,.....)and then let the mo to reproduce producing the enzymes needed
BUT if the mo was extracellular,we filter the enzyme easily
and if it was extracellular we crush the mo and we extract the enzyme by water or other solvent
Then we do the process again to get more enzymes
and the enzymes r used as sara said exactly
u repeated extracellular
i dont get tht part ???
SORRY the 2nd one is intracellular thts y we crush it
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dont u add oxygen as well?
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dont u add oxygen as well?
We bubble air into the fermenter
Lol i keep 4getting some small details
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dont u add oxygen as well?
We bubble air into the fermenter
Lol i keep 4getting some small details
yup for aerobic respiration
fanks +rep
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dont u add oxygen as well?
We bubble air into the fermenter
Lol i keep 4getting some small details
yup for aerobic respiration
fanks +rep
NP ;D
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LOL, you guyz owe me.
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LOL, you guyz owe me.
i +repped u
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LOL, you guyz owe me.
i +repped u
I helped too pple!!!
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LOL, you guyz owe me.
i +repped u
I helped too pple!!!
alright u too
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LOL, you guyz owe me.
i +repped u
I helped too pple!!!
alright u too
LOL Thanks ;D
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ahem ahem
i was being nice to u ppl
wot bout me??? :-\
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If i could +rep u more i would but i cnt :D
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If i could +rep u more i would but i cnt :D
haha thx anyway ;D
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why do you guys care so much about rep??
If you negative repped me by 1000, i couldnt care less..
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why do you guys care so much about rep??
If you negative repped me by 1000, i couldnt care less..
i -rep every1 when im bored :P lol
that is kind of rude...
y do u do that ?
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i dont, jk