Introducing Bacteria...
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Bacteria and Evolution
Bacteria are ancient simple organisms that have evolved over millions of years. Some may be the ancestors of chloroplasts and mitochondria, cell organelles present in…...
How and When Were Bacteria Discovered?
Bacteria were first seen in the 1660s, and proof of their link with disease was eventually obtained in the 1870s. Bacteriology has since become a science in its own…...
How Many Types of Bacteria Are There?
There are trillions of bacteria on Earth, but all can be grouped into a relatively small number of types. This classification aids recognition and understanding of…...
Identification of Bacteria
Various long-established and modern techniques are used to detect which bacteria are present in an unknown sample, such as the blood of a dangerously ill patient....
Using Microscopes to See Bacteria
Several different microscopes can be used to view bacteria, from the simple light microscopes to incredibly sophisticated electron microscopes and scanning electron…...
What Are Bacteria?
Bacteria are tiny single-celled organisms. Millions of them live in and around us and there are thousands of different types. Friendly bacteria carry out useful…...
What Health Conditions Do Klebsiella Bacteria Cause?
Klebsiella bacteria are not commonly known but they can cause serious infections; antibiotic overuse has created resistant strains that affect patients in hospitals....
What is Inside a Bacterial Cell?
Bacterial cells contain fluid cytoplasm that is surrounded by a rigid cell wall and a flexible cell membrane. The bacterial genome is the main internal feature....
Where Do Bacteria Live?
Bacteria live virtually everywhere on Earth – on land, in water, on and in plants, animals and people, in the Arctic, in the deep sea and in warm water near volcanoes....