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Search results 871 - 880 of 1458 matching essays
- 871: Hereditary Colon Cancer
- ... removing a sample of the tissue, which is examined under a microscope for cancerous cells. The main form of treatment for colon cancer is chemotherapy. Antimetabolites are the most commonly used chemotherapy. Antimetabolites inhibit nucleic acid synthesis in the cells. Another form of treatment is radiotherapy , which is used in conjunction with surgery. The goal of surgery is to remove as much of the cancer as possible. The surgeon removes as ...
- 872: Hard Water
- ... addition of builders such as complex phosphates, silicates, or sal-soda, which can be added to counteract the hardness. Builders boost the alkalinity of the wash, improving its cleaning ability. And also helping to neutralize acid soil and hardness caused by minerals. Bathing with soap in hard water leaves a sticky film of soap curd on the skin. The film may prevent removal of soil and bacteria, and the curd interferes ...
- 873: H.i.v. About Aids
- ... HIV is the virus that causes AIDS. HIV is classified as a RNA Retrovirus. A retrovirus uses RNA templates to produce DNA. For example, within the core of HIV is a double molecule of ribonucleic acid, RNA. When the virus invades a cell, this genetic material is replicated in the form of DNA . But, in order to do so, HIV must first be able to produce a particular enzyme that can ...
- 874: Global Warming 3
- ... of toxic chemicals are commonly found in the air surrounding urban areas. In recent years, many industrial nations have controlled air pollution with some success. Europe and North America are now suffering serious damage from acid deposition. Increasing pollution from the growing use of motor vehicles plagues many nations. Car sales in Western industrialized nations rose 71 percent from 1970 to 1986.
- 875: Global Warming 2 --
- ... around the world. With the warming of the planet, the water on the ground would quickly evaporate causing the rivers and lakes to quickly dry up. This would lead to crops dying from lack of rain, which would lead to food prices to skyrocket, which would lead to people dying from hunger if they do not have enough money to pay the price for food. Another event that would occur from ...
- 876: Global Warming 2 -
- Global Warming I have chosen to speak about Global warming because it is a major scientific issue in the media. Problems facing the environment today are vast and diverse. Destruction of the world's rain forests, the depletion of the ozone layer, air pollution, water pollution, chemical pollution and global warming are just some of the problems that will reach dangerous proportions in the coming decades. The three aspects of ...
- 877: Geography Reading Project (timeline)
- ... of an old legend that foretold a secret passage into the castle. The conditions around this area were generally nice. Mid 60 s to 70 s almost every day there is hardly ever snow. Also rain was very minimal while the volunteers were there. The race of the people in this town was mainly white there were some black people but they were exiled because they were thought to be different ...
- 878: Genetic Engineering And Its Future Impacts On Society
- ... with extinct species and endangered species, the problem would simply not exist over time. We can also use genetics to breed trees that grow faster then normal which would allow for the repopulating of the rain forests which are being destroyed daily by paper and farming industries. If we were to deny the usage of this technology to restoration of extinct species, we would be no better then the societies that ...
- 879: Genetic Engineering 3
- ... conclusion is that the child would have a three out of four chance of having brown eyes and a one out if four chance of having blue eyes (Stableford 16). Inside every person is Deoxyribonucleic acid or more commonly known as DNA. DNA exist as two long, fine strands of DNA spiraling into the famous figure of the double helix. The discovery of DNA is attributed to three scientist, Francis Crik ...
- 880: Genetic Engineering 2
- ... plants and improving the amount of milk and meat that cattle produce. With one respect to plant engineering, scientists are now working on splicing the genes needed for the production of 1-lysine, an amino acid which has a nutritional value for humans. By enhancing the nutritional value of corn in some Third World countries, an expansion of food supplies would be unnecessary (Sylvester and Klotz 20). But not only would ...
Search results 871 - 880 of 1458 matching essays
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