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Lab Report Conclusion Paragraph
This
experiment
investigated
the
effect
of
temperature
on
the
activity
of
the
enzyme
catalase
by
measuring
the
rate
of
oxygen
gas
produced
during
the
breakdown
of
hydrogen
peroxide
.
The
results
supported
the
hypothesis
that
enzymatic
activity
increases
with
temperature
up
to
an
optimum
point
,
after
which
activity
declines
sharply
due
to
denaturation
.
The
highest
reaction
rate
was
observed
at
37°
C
,
with
an
average
of
4.8
mL
of
oxygen
produced
per
minute
,
confirming
that
the
enzyme
functions
most
efficiently
near
physiological
temperature
.
Activity
was
markedly
reduced
at
10°
C
,
where
the
average
rate
fell
to
1.2
mL
/
min
,
and
at
60°
C
,
where
it
dropped
to
0.4
mL
/
min
.
This
sharp
decline
at
high
temperature
is
consistent
with
the
irreversible
unfolding
of
the
enzyme
’
s
active
site
.
A
one
-
way
ANOVA
confirmed
that
the
differences
between
temperature
groups
were
statistically
significant
(
p
< 0.01).
Several
sources
of
error
may
have
influenced
the
measurements
,
including
minor
fluctuations
in
room
temperature
,
timing
precision
,
and
variations
in
enzyme
concentration
between
trials
.
These
were
partially
controlled
using
three
replicate
trials
per
condition
.
Future
experiments
could
extend
this
work
by
testing
a
narrower
range
of
temperatures
around
37°
C
,
examining
the
effect
of
substrate
concentration
,
or
measuring
enzyme
activity
at
different
pH
levels
.
Overall
,
the
findings
demonstrate
that
catalase
activity
is
strongly
temperature
-
dependent
,
with
peak
performance
at
37°
C
and
a
rapid
loss
of
function
outside
the
optimal
range
.
The
results
align
with
established
biochemical
principles
and
provide
a
reliable
basis
for
further
study
of
enzyme
kinetics
.
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