... -form their bodies in the direction in which they wish to move (Anonymous 1998). Members of class Lobosea are microscopic, unicellular amoebas, some with shells called "tests." These organisms reproduce asexually and may be marine or aquatic and are also found in soil. Slime molds, which are members of class Acrasiomycota, are multicellular heterotrophs that may live in fresh water, damp soil ... , "cells that fuse to form networks in which bidirectional streaming can be seen;" this phylum is divided into classes Reticulomyxida and Foraminifera. Forams have tests and live only in marine e...

• Word Count: 3806
• Approx Pages: 15
• Grade Level: Undergraduate

... spectrometry, also called mass spectroscopy, is an instrumental approach that allows for the mass measurement of molecules. The five basic parts of any mass spectrometer are a vacuum system, a sample introduction device, an ionization source, a mass analyzer and an ion detector. Combining these parts, a mass spectrometer determines the molecular weight of chemical compounds by ionizing, separating, and ... , and pharmaceutical industries, surface analysis and the structural identification of unknowns. Further, mass spectrometry is being continually improved and has recently had signific...

• Word Count: 2140
• Approx Pages: 9
• Has Bibliography
• Grade Level: Undergraduate

... and biochemistry (science concerned with the organic and physical chemistry) to separate, identify, and measure the amount of various proteins. Electrophoresis is an analytical method frequently used in molecular biology (study of life processes) and medicine. It is applied for the separation and characterization of proteins, nucleic acids, and sub cellular-sized particles like viruses (parasite with a ... and small organelles. Nucleic acid is an organic substance that plays a role in the storage and replication of hereditary information. Electrophoresis" principle is that the charged pa...

• Word Count: 1589
• Approx Pages: 6
• Grade Level: Undergraduate

... and biochemistry (science concerned with the organic and physical chemistry) to separate, identify, and measure the amount of various proteins. Electrophoresis is an analytical method frequently used in molecular biology (study of life processes) and medicine. It is applied for the separation and characterization of proteins, nucleic acids, and sub cellular-sized particles like viruses (parasite with a ... and small organelles. Nucleic acid is an organic substance that plays a role in the storage and replication of hereditary information. Electrophoresis" principle is that the charged pa...

• Word Count: 1595
• Approx Pages: 6
• Grade Level: Undergraduate

... the mother and hopefully preventing the child from acquiring the disease (5). Other than the treatments, several tests have been developed to look for presence of Chlamydia. These tests can be inaccurate and are not cheap and are expensive and bothersome to take. One of the tests in called direct fluorescent antibody test and this test uses staining to detect the Chlamydia cell under ... a microscope. Another test is the Enzyme immunoassays, these tests are easier to take because they are one of the only tests where the research is done on site. The last two tests are urine sample and g...

• Word Count: 1455
• Approx Pages: 6
• Grade Level: Undergraduate

... and poisons, and who interpret the resulting information in the judiciary context. The forensic toxicologist as ascertain a chain of evidence or custody for each sample analysis, and documents the methodology and data collected, and is therefore prepared to defend the findings in legal hearings or trials. Along with the ... in many ways to see if they match. The samples may appear similar through the microscope when viewed und uer ordinary light conditions, but one sample may look quite different under ultraviolet light. Any dyes present in the fibers can be dissolved out and then separa...

• Word Count: 4661
• Approx Pages: 19
• Grade Level: Undergraduate

... poisons, and who interpret the resulting information in the judiciary context. The forensic toxicologist as ascertain a chain of evidence or custody for each sample analysis, and documents the methodology and data collected, and is therefore prepared to defend the findings in legal hearings or trials. Along with the ... in many ways to see if they match. The samples may appear similar through the microscope when viewed under ordinary light conditions, but one sample may look quite different under ultraviolet light. Any dyes present in the fibers can be dissolved out and then separated b...

• Word Count: 4359
• Approx Pages: 17
• Grade Level: Undergraduate

... twelve years of experience later, it is possible to develop a complete synopsis of the genome of an unborn child through a blood sample from the mother and a saliva sample from the father. With this discovery, many questions arose about whether or not parents should be given the full genetic code of their ... of Down syndrome was discovered in the 21st chromosome referred to as trisomy 21 (O'Connor). Since then, there have been tests that allow the detection of Down syndrome before the birth of the child. Scientists will now be able to go above and beyond the currently ... , "Everyone b...

• Word Count: 2071
• Approx Pages: 8
• Has Bibliography
• Grade Level: Undergraduate

... the potential for genetic discrimination by government, insurers, employers, schools, banks, and others. Collected samples are stored, and many state laws do not require the destruction of a DNA record or sample after a conviction has been overturned. So there is a chance that a person's entire genome may be available --criminal or otherwise. Although the DNA used is considered "junk DNA" (STRs-single tandem ... . Firearms do not normally change much over time. This allows for firearms recovered months or even years after a shooting to be identified as having fired a specific bullet or c...

• Word Count: 1890
• Approx Pages: 8
• Grade Level: Undergraduate

... to seek out non-genetically modified food for my family? Hopefully more answers than questions will become apparent in the near future. There have been many tests to substantiate the corporate claims; however, there have also been independent studies that refute those claims. More independent research is definitely needed in order to ... genetically modified food safe for us to eat on a daily basis? This, unfortunately, can only be answered by time. There have been tests and trials that say it is just as safe, or safer, than traditionally grown food. Michael Ruse points out that besides ....

• Word Count: 1697
• Approx Pages: 7
• Has Bibliography
• Grade Level: Undergraduate

... hopes to identify these segments. Once the "normal" genetic sequences are identified, scientists work to find mutations that result in genetic disorders. A number of these mutations have been found and tests are being developed to help identify individuals carrying these mutations. This new technology is bringing with it a host of new legal and ethical dilemmas. These issues include potential discrimination, rights ... this information to deny employment and in fact has. The American Management Association conducted a survey in 1997 that found that 6 to 10 percent of the 6,000 companies ...

• Word Count: 978
• Approx Pages: 4
• Grade Level: Undergraduate

... hopes to identify these segments. Once the "normal" genetic sequences are identified, scientists work to find mutations that result in genetic disorders. A number of these mutations have been found and tests are being developed to help identify individuals carrying these mutations. This new technology is bringing with it a host of new legal and ethical dilemmas. These issues include potential discrimination, rights ... this information to deny employment and in fact has. The American Management Association conducted a survey in 1997 that found that 6 to 10 percent of the 6,000 companies ...

• Word Count: 978
• Approx Pages: 4
• Grade Level: Undergraduate

... dumping are a public concern. Ocean dumping is not only an issue of concern for America. The entire world must take a stand. International cooperation is vital for the preservation of marine life. Environmental concerns are evidenced to shape international treaties. The Montreal Protocol; the UN Summit on the Environment; agreements to the North American Free Trade Agreement (NAFTA) and the ... ultimately, the ocean, is disruptive to nature's balance. Nitrogen and phosphorus support algae blooms and thus a depletion of oxygen (Benchley). Many parts of bays are practically dead zone alre...

• Word Count: 2913
• Approx Pages: 12
• Has Bibliography
• Grade Level: Undergraduate

... . Higher than average amounts propose the person tested is positive for CF (NIH). In newborns, an IRT test is sometimes used because infants do not produce much sweat. The IRT tests for the presence of a specific protein named trypsinogen. Usually a positive IRT test will be further clarified with a sweat test in the event of a positive outcome. Other ... tests such as chest x-rays, and stool and sputum cultures could also be used to ascertain if CF is present. Prenatal testing is also available, if both parents have the CF ... possible. But more is not necessarily better, and in CF th...

• Word Count: 1147
• Approx Pages: 5
• Has Bibliography
• Grade Level: Undergraduate

... get the disease. Individuals may wish to be tested based on their family history, symptoms of a genetic disorder emerging, or a concern of passing on a genetic problem to their children. These tests were created to improve the quality of life; however, I strongly believe genetic testing will not improve the quality of life because it will result in discrimination, invasion of privacy, and ... on the basis of having a pre-existing condition? Fear of this discrimination makes people afraid of letting insurers know they were tested- let alone asking to be reimbursed of the tests' cost. (Ge...

• Word Count: 678
• Approx Pages: 3
• Has Bibliography
• Grade Level: Undergraduate

... Monet, Chevalier de Lamarck, Sir Charles Lyell, Nicholas Steno and Leonardo da Vinci's theories all lend themselves to the belief that evolution is occurring. (Biology 12, 2003). Comte Georges Louis de Leclerc Buffon's theory states that similar organisms developed from an organism which may have contributed to the development of ... other organisms. For example, it is believed that human beings developed from primates, so this is a possible common ancestor to human beings (Biology 12, 2003). Jean Baptist Pierre Antoine de Monet, Chevalier de Lamarck's theory suggests that the environmen...

• Word Count: 550
• Approx Pages: 2
• Has Bibliography
• Grade Level: Undergraduate

... Monet, Chevalier de Lamarck, Sir Charles Lyell, Nicholas Steno and Leonardo da Vinci's theories all lend themselves to the belief that evolution is occurring. (Biology 12, 2003). Comte Georges Louis de Leclerc Buffon's theory states that similar organisms developed from an organism which may have contributed to the development of ... other organisms. For example, it is believed that human beings developed from primates, so this is a possible common ancestor to human beings (Biology 12, 2003). Jean Baptist Pierre Antoine de Monet, Chevalier de Lamarck's theory suggests that the environmen...

• Word Count: 550
• Approx Pages: 2
• Has Bibliography
• Grade Level: Undergraduate

... reductionism or materialism, in which matter is the fundamental reality and only material causes are effective. The philosopher Daniel Dennett has defended a strong neo-Darwinian position, drawing from biology, probability theory, cognitive science, and computer simulations. Evolution, he asserts, is the product of a mindless, purposeless process. He vehemently rejects all forms of intelligent design, ... rejected all evolutionary ideas and accepted a literal interpretation of Genesis. In the 1980s the "creation science" movement put pressure on state legislatures and local school board...

• Word Count: 7861
• Approx Pages: 31
• Has Bibliography
• Grade Level: Undergraduate

... approximately 3.2-billion chemical bases that make up human DNA. This information will be stored in computer databases while data analysis tools will be developed to apply this information to human biology and medicine. Results of the HGP are hoped to transform the treatment of symptoms in molecular medicine to address the deepest causes of disease at their molecular foundations in their ... " for life and distinguishes one species from another. All organisms have similarities in their DNA sequences, so insights gained by non-human genomes often lead to new knowledge about human biology. ...

• Word Count: 2575
• Approx Pages: 10
• Has Bibliography
• Grade Level: Undergraduate

... Institutes of Health, Howard Hughes Medical Institute, and various other private organizations. These organizations all have two shared objectives, placing "new methods and instruments into the tool-kit of molecular biology" and "building research infrastructure for genetics"(Murphy, 17). Any attempt to resolve moral issues involving new information from the Human Genome Project requires direct, clear, and total understanding of common ... (newborn, premarital, and occupational) Should testing be performed when no treatment is available? Should parents have the right to have their minor...

• Word Count: 1638
• Approx Pages: 7
• Grade Level: Undergraduate

... of the businessmen what have been trying to make money from it- (66). Furthermore, ethical and moral questions surrounding genetically modified foods abound. Dr. John B. Fagan, former professor of molecular biology at Maharishi International University, notes that transferring animal genes into plants raises important ethical issues for vegetarians and religious groups. Many strict vegetarians have qualms about eating vegetables that contain ... back to Dr. Fox's question, "Can released genetically engineered life forms be identified, traced, contained, or recalled if needed?- (95); the...

• Word Count: 3593
• Approx Pages: 14
• Grade Level: Undergraduate

... measure the amount of a protein called trypsinogen in the blood. The level of this protein is higher than normal in people with Cystic Fibrosis and Finally, genetic tests can identify a faulty CFTR gene using a sample of the patient's blood. Approximately 3000 Australians have Cystic Fibrosis and one in every 2,500 birth produces a child with Cystic Fibrosis. The treatment today is very effective ... ...

• Word Count: 463
• Approx Pages: 2
• Has Bibliography
• Grade Level: Undergraduate

... human genome research programs. Some of the larger programs are in Australia, France, Sweden, China and the United Kingdom. Some developing countries are participating through studies of molecular biology techniques for genome research and studies of organisms that are particularly interesting to their geographic regions. The Human Genome Project Organization helps to coordinate international efforts in the genome ... project. There are many benefits and goals of the Human Genome Project. Rapid progress in genome science and a glimpse into its potential applications have helped observers...

• Word Count: 978
• Approx Pages: 4
• Grade Level: Undergraduate

... of finch might arise in only about 200 years. Darwin's original hypothesis has undergone extensive modification and expansion, but the central concepts stand firm. Studies in genetics and molecular biology, fields unknown in Darwin's time, have explained the occurrence of the hereditary variations that are essential to natural selection. Genetic variations result from changes, or mutations, in ... controls. Moreover, scientists can perform experiments to study evolution in real time, just as experiments are used to observe dynamic processes in physics, chemistry, and other branches of bi...

• Word Count: 1289
• Approx Pages: 5
• Grade Level: Undergraduate

... (2)." Vocal Recognition Vocal recognition systems use a user's voice to identify them. This system works by comparing a voice sample from a given user to voice samples in a database. This voice sample generally tends to be a specific phrase, making it more uniform to compare voice samples. The vocal sample is recorded, then mapped out using a sine-wave type graph, and compared to the stored sine wave ... ...

• Word Count: 1088
• Approx Pages: 4
• Has Bibliography
• Grade Level: Undergraduate