what are enzymes useful for Watch

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horrorboy
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#1
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ive a damn good felling this will come up!

erm
producing reactions? plz help :eek:
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siliviax
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isn't it the breaking down of food or something...

like the enzymes produced in your mouth is so you can swallow it..

i don't know
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EconLou
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well, many things.
Enzymes are used in the stomach for digestion for example protease, amylase and lipase.
You need to learn what each enzyme breaks down e.g
protein is broken down by protease and turned into amino acids
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siliviax
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yeah, what he said

isn't amino acids broken down into fatty acids and glecerol ?
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littleredfrog
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enzymes are used to break down food in the gut and when used outside the body are used in washing powders to break down stains and stuff...

enzymes can only work up to a certain temperature and if the enzymes rises above this temperature it will become denatured and no longer have a purpose...

when they are denatured they are taken away by blood cells and stored in the lymph nodes...

enzymes are also used on active sites to produce anti bodies (i think)...

hope i helped.....biology student!!!
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heather2
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protein is broken down into amino acids and fats are broken down into fatty acids and glycerol
xx
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alio
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(Original post by littleredfrog)
enzymes are used to break down food in the gut and when used outside the body are used in washing powders to break down stains and stuff...

enzymes can only work up to a certain temperature and if the enzymes rises above this temperature it will become denatured and no longer have a purpose...

when they are denatured they are taken away by blood cells and stored in the lymph nodes...

enzymes are also used on active sites to produce anti bodies (i think)...

hope i helped.....biology student!!!
uve helped me, thanks
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littleredfrog
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(Original post by alio)
uve helped me, thanks
thats okay...was it simple enough...i mean im simple so it was probably quite easy to understand...hope it was!!!
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alio
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(Original post by littleredfrog)
thats okay...was it simple enough...i mean im simple so it was probably quite easy to understand...hope it was!!!
yea although im really hoping a question on proteins will come up :rolleyes:

whats that about enzymes being triggered by a hormone? when they are triggered what do they do
the more i revise the less i understand :confused:
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Fluffy
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(Original post by littleredfrog)
enzymes are used to break down food in the gut and when used outside the body are used in washing powders to break down stains and stuff...

enzymes can only work up to a certain temperature and if the enzymes rises above this temperature it will become denatured and no longer have a purpose...

when they are denatured they are taken away by blood cells and stored in the lymph nodes...

enzymes are also used on active sites to produce anti bodies (i think)...

hope i helped.....biology student!!!
generally true, but there are lots of thermo and acid stable enzymes.

Enzymes are proteins that catalyse a reaction, be it by inducing or acellerating.

The ones I think you probably need to be aware of for A-Level are:

The disporportionation of hydrogen peroxide by catalase to water and oxygen (which I think is still on my A2 sylabuses),

Amylase: Breaks the bonds that hold starch molecules together

Pepsin: a stomach enzyme - a protease. Splits proteins in food down to smaller poly peptides

Lysozyme: antibacterial enzyme - found in tears. Hydrolyzes the glycosidic linkages within peptidoglycans walls of bacteria.

A good one to show you know lots is to throw in Taq Polymerase - an enzyme which assembles nucleic acid residues into DNA. Used in PCR. IS HEAT STABLE.

Hope these help.

fxx
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