Icosahedron is a solid formed of 20 triangular faces and 12 corners; the geometrical shape of many virions.
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Resolution in microscopy, the smallest distance by which two obje3cts can be separated and still be visualized as separate objects.
- Phenol coefficient
Phenol coefficient is the ratio between the greatest dilution of a test germicide capable of killing a test organism in 10 min but not in 5 min and
Sporangiophores is asexual spores that develop within a sec (sporangium).
Globulin is a protein soluble in dilute solutions neutral salts but insoluble in water. Antibodies are globulins.
- Methanogenic bacteria
Methanogenic bacteria are bacteria that produce methane gas under anaerobic conditions.
- F factor
F factor is the fertility or sex factor in the cytoplasm of male bacterial cells.
- Biochemical oxygen demand