What is bacteria short note?

What is bacteria short note?

Bacteria, also called germs, are microscopic organisms not visible with the naked eye. Bacteria are everywhere, both inside and outside of your body. Bacteria can live in a variety of environments, from hot water to ice. Some bacteria are good for you, while others can make you sick.

What is bacteria explain in English?

Bacteria are microscopic living organisms, usually one-celled, that can be found everywhere. They can be dangerous, such as when they cause infection, or beneficial, as in the process of fermentation (such as in wine) and that of decomposition.

What is the full form of bacteria?

Bacteria (singular: bacterium) are classified as prokaryotes, which are single-celled organisms with a simple internal structure that lacks a nucleus, and contains DNA that either floats freely in a twisted, thread-like mass called the nucleoid, or in separate, circular pieces called plasmids.

What is bacteria in your own words?

Bacteria are microscopic, single-celled organisms that thrive in diverse environments. These organisms can live in soil, the ocean and inside the human gut. Sometimes bacteria lend us a helping hand, such as by curdling milk into yogurt or helping with our digestion.

What is bacteria structure and function?

It is a gel-like matrix composed of water, enzymes, nutrients, wastes, and gases and contains cell structures such as ribosomes, a chromosome, and plasmids. The cell envelope encases the cytoplasm and all its components. Unlike the eukaryotic (true) cells, bacteria do not have a membrane enclosed nucleus.

What are some of the characteristics of bacteria?

General Characteristics of Bacteria 3. Economic Importance 4. Distribution 5. General Morphology 6. Size 7. Structure 8. Cell Division 9. Staining 10. Nutrition 11. Respiration 12. Reproduction 13. Genetic Recombination 14. Host-Bacterial Interactions 15. Bacterial Culture and Others. Notes on the General Characteristics of Bacteria Note # 1.

What is the meaning of the word bacteria?

Note # 1. Meaning of Bacteria: Bacteria are microscopic organisms, which are often known as ‘germs’ and ‘microbes’. They are among the simplest forms of life known, and, hence show the characteristics of both plants and animals.

Who was the first person to discover bacteria?

Since the discovery of bacteria in 1676 by Anton van Leeuwenhoek, a Dutchman, they were objects of curiosity until middle of the nineteenth century, when Louis Pasteur and Robert Kock demonstrated that these organisms are responsible for some of the most important diseases of human beings and animals.

What kind of organism is a Gram negative bacteria?

Bacteria Definition “Bacteria are unicellular organisms belonging to the prokaryotic group where the organisms lack a few organelles and a true nucleus”. Also Read: Gram Negative Bacteria