Cell Structure of a Bacterium

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Origin of the word "bacteria"

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The word "bacteria" comes from Greek, where "bakteria" means rod.

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Diagram showing ribosomes in a bacterial cell.

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Ribosomes are essential for protein synthesis in bacteria.

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Positive roles of bacteria

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Decomposers (nutrient cycling), intestinal flora, industrialization and economy (fermentation), nitrogen fixation (Rhizobium) in soil for proteins.

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Decomposition process

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Breakdown of dead organic matter by microorganisms.

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Antibiotics production

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Involves the use of specific processes and organisms

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Cheese production

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A dairy product derived from milk

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Curds

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A dairy product derived from milk

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Fermented dairy product

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Yogurt

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Binary fission

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Binary fission

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Colony of resistant bacteria

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Colony of resistant bacteria