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Summary Mindmap on GCSE biology
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mind map about enzymes
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speed up the reaction withbiological catalyst changed or used up
what are they & how do they they are large proteins made of chain of amin
work it has an active site with a unique shape com
it has an optimum
cause the enzyme
it needs right temp and pH
optimum pH is of
test for sugars
Benedict's test
presence = change from blue to green &
yellow & brick-red (depends)
test for starch
iodine solution
presence = brown orange to black & blue
food test black
test for proteins
Biuret test
presence - blue to purple
biology revision - test for lipids
Enzymes sudan III test
presence = separated layers with top
layers bright red
starch - maltose - via a
proteins - amino acids
break down of big molecules
in
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