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Bacteria

Bacteria

Bacteria are single celled organisms found in every habitat on Earth, growing in soil, acidic hot springs, radioactive waste, water, and deep in the Earth's crust, as well as in organic matter and the live bodies of plants and animals. Some bacteria cause disease but others are essential to the human body. For example, bacteria in the digestion system, help in the healthful digestion of food. Sometimes trying to get bacteria out of one place in your body can cause problems in another.

Top Questions Asked on ChaCha.com for Bacteria

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  1. What part of the bacteria cell helps it stick to surfaces?

    Along the surface of the bacteria cell you will find structur...

  2. What is a practical application of transgenic bacteria?

    The best example of transgenic bacteria application is the pr...

  3. How did early photosynthetic bacteria change earth?

    The proteins that gather light for photosynthesis are embedde...

  4. Why do some bacteria retain the gram stain while some do not?

    Gram-negative bacteria have lipopolysaccharide in their outer...

  5. Why are radiation and chemicals useful for producing mutant bacteria?

    Radiation and chemicals cause mutations because the effect th...

  1. What are Some bacteria, viruses, parasites, and fungi that can’t be seen, tasted, or smelled can cause an illness?

    Some bacteria, viruses, parasites, and fungi that can't be se...

  2. Does a bacteria have a nucleus?

    Bacteria lack a true nucleus, a feature that distinguishes th...

  3. How did Griffith's experiments indicate the presence of a transforming factor in bacteria?

    In Griffith's experiment, bacteria from the III-S strain were...

  4. What would happend if the bacteria that cause denitrification were removed from the nitrogen cycle?

    Denitrification is essentially the reverse of nitrification.

  5. What is a compound that blocks the growth and reproduction of bacteria?

    Antibiotics kill or prevent growth of bacteria by their effec...

  1. How did early photosynthetic bacteria change earth?

    The proteins that gather light for photosynthesis are embedde...

  2. Why are nitrogen-fixing bacteria important to plants?

    The most common form of nitrogen (N2) cannot be used by plant...

  3. What are Some bacteria, viruses, parasites, and fungi that can’t be seen, tasted, or smelled can cause an illness?

    Some bacteria, viruses, parasites, and fungi that can't be se...

  4. What would happen with the bacteria if an insulin gene was inserted into a plasmid?

    [1] In terms of genetic modification, recombinant DNA is intr...

  5. Is a bacteria a prokaryotic cell?

    Bacteria are prokaryotic cells (absence of a nucleus and othe...

Top Questions Asked on ChaCha Mobile for Bacteria

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  1. What is fecal bacteria?

    Fecal bacteria is bacteria associated with excrement (feces) ...

  2. How do scientists distinguish between gram-positive and gram-negative bacteria?

    Gram staining (or Gram's method) is an empirical method of di...

  3. What is the role of certain Bacteria on changing atmospheric nitrogen into a form usable by plants?

    Bacteria present in the nodules in the leguminous plants cont...

  4. What does bacteria do for the plant?

    Certain types of bacteria break down organic material, like d...

  5. Where In bacteria is DNA found?

    DNA in a bacterial cell is a single strand contained in the c...

  1. What is the difference between a bacteria and a viruses?

    Viruses are tiny structures that can only reproduce inside a ...

  2. Do bacteria have a cell wall?

    Bacteria has cell walls identified as gram-negative or gram-p...

  3. What bacteria is that found in?

    "Bacillus Thuringiensis" is the bacteria found in the pestici...

  4. What is fecal bacteria?

    Fecal bacteria is bacteria associated with excrement (feces) ...

  5. Is bacteria prokaryotic?

    Yep! The prokaryotes are divided into two domains: the bacter...

  1. What are the bodies three lines of defense against bacteria?

    Physical (skin and mucous membranes) and chemical barriers th...

  2. Do all bacteria have nucleus?

    Bacteria lack a true nucleus, a feature that distinguishes th...

  3. What does bacteria do for the plant?

    Certain types of bacteria break down organic material, like d...

  4. What is the difference between gram-positive bacteria and gram-negative bacteria?

    Gram-negative bacteria are those bacteria that do not retain ...

  5. What is fecal bacteria?

    Fecal bacteria is bacteria associated with excrement (feces) ...

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Bacteria