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What are the examples of helpful bacteria?

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Detailed Solution

Helpful bacteria are those that support human life, environment, and industries.

Not all bacteria are harmful. Some play a positive role in food production, medicine, and nature. They help in digestion, fix nitrogen in soil, and even produce vitamins. In industries, bacteria are used for making cheese, yogurt, and antibiotics.

Examples of Helpful Bacteria:

Lactobacillus – Used in curd and yogurt making
Rhizobium – Fixes nitrogen in soil for plants
Streptomyces – Produces antibiotics like streptomycin
Escherichia coli – Helps in vitamin K production in intestines
Acetobacter – Used in vinegar production

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