Bacteria And Non-Pathogens In Drinking Water

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• Bacteria, are single-cell microorganism with no nucleus that had a sphere, rod, and spiral shape and branching threads. Ranges in diameter between (0.5- 1) µm and in length between (2-4) µm however, they are either a parasite or live independently they are found in all living things and in all environments. Some bacteria in drinking water can cause disease such as salmonella, total coliform (including fecal coliform and E.coli), Shigella, Legionella, and Campylobacter and “their presence indicates that the water may be contaminated by human or animal wastes”. Some bacteria break down organic matter and play an important ecological role, other support in the human metabolism and usually they are classified under their shape, size, nutrient type, chemical activities, pathogens or non- pathogens, and physical condition for growth.
• Protozoa, are “unicellular complex microorganisms” with no cell walls that nurtures on
…show more content…
2. What type of microorganisms could produce diseases in drinking water? List the microorganisms and the associated diseases.
Bacteria such as Salmonella cause Gastroenteritis, salmonella typhi cause typhoid, shigella cause dysentery, Vibrio cholera cause cholera.
Viruses such as Hepatitis A cause infection.
Protozoans such as Entamoeba histolytica cause amoebic dysentery, Giardia lamblia cause giardiasis, and Cryptosporidium cause Cryptosporidiosis).

Microorganisms cause symptoms such as nausea, vomiting, diarrhea, stomach cramps, headache with fever, and dehydration. In healthy adults, illnesses are normally mild and do not last long. In the case of infants, children, ageing people, and people with undermined immune systems, illnesses can be more severe and can cause acute.
3. Provide a one-page summary on the Colilert method for detecting

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