True Bacteria Research Paper

Words: 1253
Pages: 6

Bacteria
Bacteria, the stuff that we think too little about or too much. They are microscopic uni cellular organisms that can be put into two kingdom, Archaebacteria and Eubacteria. Both kingdoms have no nuclear us or membrane-bound organelles, but they do have DNA, which is the control centre. Archaebacteria are more hard-core, as they live in places without oxygen and high about salt. For example they live in salt pools, hot water vents deep in the ocean, and the stomachs of cows. Eubacteria live in sunlight, well anywhere that isn't a harsh environment, and are known as the true bacteria. Bacteria can also be gram-positive or Gram-negative, but not a graham cracker. This is used to separate them based on their cell wall. Gram-positive has a thick layer of peptidoglycan, gram-negative has a thin layer of peptidoglycan and an outer lipid and sugar layer.
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They can also reproduce asexually through binary fission and that's what I'm going to talk about. The bacteria copies its chromosomes and makes two identical daughter cells. The cell grows in size and the two chromosomes separate and move to the opposite poles of the cell. The cell begins to separate as the partition forms. When it is finished separating they are both identical to the parent. This process can happen quite quickly under the right conditions.

Feeding and excretion
Archaebacteria can get their nutrients they need by developing a symbiotic relationship with other organisms. Some bacteria live in the stomach of a cow and breakdown things that the animal won't be able to in the first place. They also produce methane when breaking down sewage.

Circulation and Respiration
This is a very simple organism so respiration is carried out through diffusion.

Movement and