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Emily Summers




March 12th 2010



2.1.18 Enzymes are Globular Proteins



Catalyst Molecul
e/el
ement
t
hat
speeds up
a chemi
cal
r
eact
ion
but
i
s not
used
up
in
the
r
ea ct
ion and
remains
unchanged
aft
er
the
react
ion

Globul
ar
protei
ns
have speci…

Page 2

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Emily Summers




Subst
rat
e
Product
E.g.
Mat
lose
glucose
+ gl
ucose



Enzyme Reaction Catalysed
Lact
ase Breaki
n g
do wn l
actose i
nto
g l
ucose and
gal
actose mo nome rs. Lact
os e
int
olerant

peopl
e
d on'
t
ha ve
this enzyme…

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