Course record BIOL

BIOL 2421

Microbiology for Science Major

Houston Community College

517 grades28 sections14 professors
Grades: 2023–2025
Flunk Score54/100
Mixed record

Professors 10 of 14

Nabras Mahmoud Abdulrahman 46 grades · 2 terms · 2025 3.52GPA
65.2% A
23.9% B
8.7% C
2.2% D
0.0% F

46 letter grades · 2 sections · 2025

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Abdulrahman vs. the course average
A +25.2
B −15.2
C −5.8
D −2.1
F −2.1

Difference in percentage points.

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Samad Joudi 51 grades · 3 terms · 2024–2025 3.45GPA
56.9% A
31.4% B
11.8% C
0.0% D
0.0% F

51 letter grades · 3 sections · 2024–2025

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Joudi vs. the course average
A +16.8
B −7.7
C −2.7
D −4.3
F −2.1

Difference in percentage points.

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Veronica M Amaku 39 grades · 2 terms · 2025 3.28GPA
41.0% A
48.7% B
7.7% C
2.6% D
0.0% F

39 letter grades · 2 sections · 2025

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Amaku vs. the course average
A +1.0
B +9.6
C −6.8
D −1.7
F −2.1

Difference in percentage points.

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Sheeba Musarrat Zaidi 65 grades · 3 terms · 2023–2025 3.08GPA
35.4% A
47.7% B
10.8% C
1.5% D
4.6% F

65 letter grades · 3 sections · 2023–2025

Compare with the course
Zaidi vs. the course average
A −4.7
B +8.6
C −3.7
D −2.7
F +2.5

Difference in percentage points.

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Paul Victor Bassanio Drummond 34 grades · 2 terms · 2023–2024 2.91GPA
32.4% A
41.2% B
17.6% C
2.9% D
5.9% F

34 letter grades · 2 sections · 2023–2024

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Drummond vs. the course average
A −7.7
B +2.1
C +3.1
D −1.3
F +3.8

Difference in percentage points.

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Renganayagi Balakrishnan 54 grades · 3 terms · 2023–2025 2.91GPA
14.8% A
66.7% B
14.8% C
1.9% D
1.9% F

54 letter grades · 3 sections · 2023–2025

Compare with the course
Balakrishnan vs. the course average
A −25.2
B +27.6
C +0.3
D −2.4
F −0.3

Difference in percentage points.

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Joy L. Marshall 102 grades · 6 terms · 2024–2025 2.59GPA
19.6% A
38.2% B
26.5% C
12.7% D
2.9% F

102 letter grades · 6 sections · 2024–2025

Compare with the course
Marshall vs. the course average
A −20.4
B −0.8
C +12.0
D +8.5
F +0.8

Difference in percentage points.

Each term against the course average
Spring 2024Fall 2025
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Harold K Njemanze 20 grades · 1 term · 2024 · Limited sample 3.90GPA
90.0% A
10.0% B
0.0% C
0.0% D
0.0% F

20 letter grades · 1 section · 2024 · Limited sample

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Samira S Najm 21 grades · 1 term · 2025 · Limited sample 3.52GPA
61.9% A
33.3% B
0.0% C
4.8% D
0.0% F

21 letter grades · 1 section · 2025 · Limited sample

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Rachel D Petrofes Chapa 18 grades · 1 term · 2023 · Limited sample 3.50GPA
66.7% A
27.8% B
0.0% C
0.0% D
5.6% F

18 letter grades · 1 section · 2023 · Limited sample

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