MICROBIOLOGY LAB PRACTICAL 1 VERIFIED RATIONALES LATEST 2024/2025
Gram Stain Positive: Purple Negative: Pink 1. 4-5 layers 2. Crystal Violet 3. Iodine 4. Decolorizer 5. Safrin 2. Bacteria Shape Bacillus: rod shaped Coccus: round shape Spiral: spiral shaped 3. Catalase Test Hydrogen peroxide is toxic to bacteria and may be produced in the cell. Some bacteria contain catalase which can detoxify the hydrogen peroxide by converting it to water and gaseous oxygen. Positive: Bubbles Negative: Nothing happens Oxygen gas comprises the bubbles 4. Oxidase Test Some cytochrome containing orga
Written for
- Institution
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Mcpherson College
- Course
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BIO 255 (BIO)
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- Uploaded on
- March 20, 2024
- Number of pages
- 3
- Written in
- 2023/2024
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- Exam (elaborations)
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Subjects
- bio255
- mcphs university
- lab practical bio 255
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microbiology lab practical 1 verified rationales
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gram stain positive purple negative pink 1 4 5
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2 bacteria shape bacillus rod shap