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Lab 13- Casein Hydrolysis Test

Course: Microbiology (BIO 205)

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Students shared 28 documents in this course

University: Cochise College

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Lab 13- Casein Hydrolysis Test- Lab Report
1. Insert a picture of your milk agar plate after it has incubated
for 24 hours.
2. Based on the growth on your milk agar plate, fill out the
following table.
Organism Result + or - Interpretation
Control sector No clearing - Casease not present
B. subtilis
E. coli
3. Is it acceptable to read a positive test before the incubation
time is completed? What about an early negative result?
inserted
on
second
page
no
clearing
-
case
ase
not
present
clearing
+
casease
is
present
if
the
incubation
time
is
cut
short
then
the
results
will
be
incomplete
.
To
determine
Wheathev
its
for
sure
negative
or
positive
you
need
to
wait
the
amount
OF
time
that
it
needs
to
be
incubated
.