Class notes
Brief description on Microbes !
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Pages
14
Uploaded on
24-03-2026
Written in
2025/2026
The PDF contains educational notes on the topic "Microorganisms: Friend and Foe." The usable content includes: 1. A Lab Experiment: Steps for observing bacteria from a soil sample using a microscope, with glucose and a coverslip, concluding that spiral and concave bacteria are visible. 2. Food Preservation: A note on pasteurization (heating milk at 70°C for 15–20 seconds, then cooling) and airtight packaging to protect food from microbes. 3. Nitrogen Fixation: Information on how bacteria convert atmospheric nitrogen into nitrogenous compounds, living in root nodules of legumes. 4. Symbiotic Relationship: A brief definition of mutual relationship between organisms.
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Institution
Second Year / 8th Grade
Course
Biology
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Written for
- Institution
- Secondary school
- Course
-
Biology
- School year
- 2
Document information
- Uploaded on
- March 24, 2026
- Number of pages
- 14
- Written in
- 2025/2026
- Type
- Class notes
- Professor(s)
- Reema das
- Contains
- All classes
Subjects
- microorganisms
- bacteria
- spiral bacteria
- concave bacteria
- soil sample
- microscope
- glucose
-
coverslip
-
pasteurisation
-
louis pasteur
-
milk preservation
-
food storage
-
air tight packaging
-
nitrogen fixation
-
atmo
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