Question

what is bacteria ? give 2 example.​

Answer 1

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⟶ Bacteria :-

• Bacteria are a type of biological cell.
• They constitute a large domain of prokaryotic microorganisms.
• Typically a few micrometres in length, bacteria have a number of shapes, ranging from spheres to rods and spirals.
• Bacteria were among the first life forms to appear on Earth, and are present in most of its habitats.

⟶ Examples :-

• Lactobacillus acidophilus found in yogurt.
• Staphylococcus aureus found on our skin.

Answer 2

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❥ Bacteria are the plural of bacterium, which are microscopic one-celled organisms. They are found everywhere and can be harmful, as in infections; or they can be beneficial, as in fermentation or decomposition.

Five types of bacteria are:

• Coccus
• Bacillus
• Spirillum
• Rickettsia
• Mycoplasma.

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