By: G E Barr
The Basics of Quorum SensingOff, and very close to the shallow shore of Hawaii there lives a marine animal known as the Hawaiian Bobtail Squid. This small squid does its hunting at night and on its back are detectors which cue the squid's body to...
By: Sammy Stein
Animals cells and plant cells have many similarites and many differences. In both plants and animals, cells form the building blocks for the parts of the organisms from lungs, heart, petals, stems and every other part. They all have a nucleus which dictates the role...
The role of bacterial exotoxins in pathogenesis
By: Barnabas Stinson
Today's society is well aware that bacteria can cause many illnesses. Sometimes, however, it is not the bacteria themselves that actually cause the damage to our bodies. In some instances, the symptoms of the diseases are actually the result of exotoxins circulating throughout the body...
By: Alison Bowler
Anthrax, in recent years even the name of this disease has inspired fear. The disease has a long history of causing the occasional illness in man and more frequent illness in hoofed animals such as cattle, horses and deer. Anthrax infection has been known since...
The importance of microorganisms in the Earth's ecosystems
By: Wendy R.
Microorganisms are extremely important in the world's ecosystem. Withoutthem, there would be a massive accumulation of waste and dead mattereverywhere. Not only this, if there were no microorganisms to break downthis waste and dead matter, than the food chaincycle would cease toexist, and the whole...
What are the differences structurally between a plant and animal cell?
By: C Song
Eukaryotic plant and animal cells have some similarities and marked differences in structure that are key to understanding life; Every organism does occurs fundamentally because of functions at a cellular level. If you have ever observed plant cells and animal cells under a microscope, you...
By: Alison Bowler
Campylobacter jejuni is a highly motile, spiral shaped, gram-negative staining bacterium. Many birds carry the organism and it does not appear to cause any infection in avian species. Campylobacter is the most common cause of food poisoning in the developed world. Most of the cases...
The interactions between Helicobacter, Campylobacter and the immune system
By: Dinah Loa
The interactions between Helicobacter, Campylobacter and the immune system Introduction Campylobacters are a group of bacteria that are the most common cause of diarrhea worldwide. Under this group is the Helicobacter group of bacteria that causes peptic ulcer disease and gastritis. Among the campylobacters that...
By: Alison Bowler
The bacterium Bordetella pertussis is a small pleomorphic gram-negative staining cocco-bacillus. It is the causative organism of whooping cough, a condition also known by the medical term pertussis. While classic whooping cough is known as a childhood disease, Bordetella pertussis also causes respiratory illness in...
Spontaneous generation of life
By: Tami Port MS
Although today we understand that living things arise from other living things, the idea of spontaneous generation was entrenched in the minds of man throughout most of history. Spontaneous generation is the belief that, on a daily basis, living things arise from nonliving material. This...

 

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