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Search results 271 - 280 of 291 matching essays
- 271: Evolution From A Molecular Perspective
- ... and life began. From this single life-form, the slow process of natural selection began. First came the proteinoid microsphere, the first organisms on the planet to carry on all life functions. Eventually, then, came viruses, parasites, saprophytes, holotrophs, chemosynthesizers, and photosynthesizers, all mutants of the very first cell. Some have tried to use thermodynamics to disprove evolution, especially the second law. The second law of thermodynamics states that "all energy ...
- 272: Hackers
- ... displays a naive understanding of CU activity. The media generally makes little distinction between different types of CU activity. Most any computer-related crime activity can be attributed to "hackers." Everything from embezzlement to computer viruses have, at one time or another, been attributed to them. Additionally, hackers are often described as being sociopathic or malicious, creating a media image of the computer underground that may exaggerate their propensity for doing ...
- 273: Computer Generated Evidence In Court
- ... many cases, particularly those involving dishonesty, would be immune from prosecution. At the same time one cannot be too complacent about the technology since computers are not infallible. It is widely acknowledged that 'hacking' and 'viruses' may affect information stored on a computer. These factors were obviously taken into consideration when enacting the provisions governing computer generated evidence in criminal proceedings. (2) Section 69 of the Police and Criminal Evidence Act ...
- 274: Genetic Engineering
- ... may affect their child and can make the proper adjustments needed in advance. Lastly, and perhaps the most important advancement in the curing and treating of illnesses, geneticists are developing a new method for removing viruses from human bodies—DNA scissors. This new method works in a similar way that antibiotics does. When antibodies enter our internal system they attack a specific type of enemy cell or virus and destroy it ...
- 275: Prions
- Prions Prions have been a mistery for scientists from the day they where discovered. Prions act like viruses but they are not. Their structure and chemistry are unknown. They are believed to be proteins but that is yet to be completely proved. Prion stands for “proteinaceous infectious particles”. Prions are known to cause ...
- 276: Classification
- ... ex: Protozoa and single-celled algae 4. Kingdom Fungi (The Fungus Kingdom) ex: Yeast 5. Kingdom Monera (The Monera Kingdom) ex: Bacteria and blue-green algae Parallel to these Kingdoms, but not included, are the Viruses. These are acellular entities with many of the properties of other life forms, but are genetically and structurally too dissimilar to the species categorized above to fit into that scheme of taxonomy. Although this system ...
- 277: Biological and Chemical Weapons!!
- ... weapons kill by direct exposure and are very contagious. For instance, “American settlers purposefully gave Native Americans blankets infested with smallpox; more recently, both American and Soviet military researchers have experimented with some readily transmittable viruses.”3 However, contagious nature of biological agents, do have a drawback; it is equally capable of infecting the initiator as well as the target. Due to this, mostly anthrax spores have been used lately, “…which ...
- 278: B Cells and T Cells
- ... so they can recognize this same antigen if it were to ever reenter the body again. Interactions between T cells are also known as the cell-mediated response. T cells are not just active against viruses and bacteria, but they also interact with eukaryotic cells. There are three types of T cells: helper T cells, suppressor T cells, and cytotoxic T cells. The T cell receptor (helper T cells) recognizes foreign ...
- 279: Plant Breeding
- ... lost. So it is a good idea to introduce other genes into wheat by outbreeding. One way of doing this is to crossbreed the inbred varieties with their wild relatives, which may be resistant to viruses, insects, or drought. For this reason, some wheat breeders believe it is essential to conserve some stocks of primitive wheat in seed banks, from which they will be able to take a transfusion of genes ...
- 280: Human Genome Project
- ... more that can be understood about the human genome, the more information that can be used to create biological weapons. Discoveries are being made of the immune system that could lead to the engineering of viruses that could potentially render a victim defenseless against infection (Lee 240, 241). The government will undoubtedly have many ill-fated uses for the code of life, but genetic testing will affect every working-class citizen ...
Search results 271 - 280 of 291 matching essays
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