Grade Percentages and Grade Point Equivlalents
Your final grade in this course will be based on the total amount of points that you earn
on quizzes, lectures exams, lab exams, and homework assignments as follows:
3
1
4
1
1
1
1
Lecture Exams @ 100 pts each
Final Exam at 200 pts
Lab Quizzes at 20 pts. each
Final Lab Practical Exam @ 200 pts
Lab Book Grade
Gram Stain and Microscope Test
Double Unknown ID Report (Ex 25 in lab book)
300
200
80
200
50
50
50
930 total possible
The grade ponts awarded are assigned by the following percentages:
Perc.
>95%
94%
93%
92%
91%
90%
89%
88%
87%
86%
85%
84%
Grade
Perc. Grade
Perc. Grade
4.0
83% 2.8
71% 1.6
3.9
82% 2.7
70% 1.5
3.8
81% 2.6
69% 1.4
3.7
80% 2.5
68% 1.3
3.6
79% 2.4
67% 1.2
3.5
78% 2.3
66% 1.1
3.4
77% 2.2
65% 1.0
3.3
76% 2.1
64% 0.9
3.2
75% 2.0
63% 0.8
3.1
74% 1.9
62% 0.7
3.0
73% 1.8
<62% 0.0
2.9
72% 1.7
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Staphylococcus aureus
+
Coccus
Enterococcus facaelis
+
Coccus
+
Cocci
+
Cocci
Bacillus cereus
+
Bacillus
Escherichia coli
Bacillus
Proteus vulgaris
Bacillus
Pseudomonas fluorescens
Bacillus
Enterobacter aerogenes
Bacillus
Staphylococcus epidermidis
Micrococcus luteus
Chart Abbreviations
+/- Variable
- No Growth
- No Growth
A = Acid
G = gas
P = pink
W = white
Abundant,
opaque,
golden growth
Off white,
smooth, small,
round
Soft, smooth,
yellow growth
Clear, smooth,
small, round
Abundant,
opaque, white
waxy growth
White, moist,
glistening
growth
Thin,
blue/gray,
spreading
growth
Transparentlight yellow
shiny, smooth,
filiform
Abundant,
thick, white,
glistening
growth
Oxidase
MR/VP
Citrate utilz.
Urea
Motility
Lactose ferm.
Indole
production
Sucrose ferm.
Glucose ferm.
Endospores
Mannitol
fermentation
Organism
Culture
characteristics
on agar slant
Gram
Stain, Shape
More information about the bacteria we are using in the Unknowns Exercise (25)
A
-
A
-
A
-
-
-
-
+/-
-
-
-
A
-
A
-
-
-
-
+/-
-
_
-
-
-
-
-
-
+
-
-/-
-
+
-
A
A
A
-
-
-
-
+/-
-
-
+
A
A
-
-
-
-
+
+/-
-
+
-
AG
AG
AG
+
+
-
-
+/-
-
-
-
A
A
-
+
+
+
-
+/-
-
-
-
A
-
-
-
+/-
-
-
-/-
+
Alpha
A
-
-
+
A,
G
A
A+/-
-
-
-