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Nitrogenous Bases Amino Acids
999 wordsDeoxyribonucleic acid and ribonucleic acid are two chemical substances involved in transmitting genetic information from parent to offspring. It was known early into the 20 th century that chromosomes, the genetic material of cells, contained DNA. In 1944, Oswald T. Avery, Colin M. MacLeod, and Maclyn McCarty concluded that DNA was the basic genetic component of chromosomes. Later, RNA would be proven to regulate protein synthesis. DNA is the genetic material found in most viruses and in all cel...
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Source Of Energy Amino Acids
2,062 words-man is high 50 's to 60 % water -distribution in body divided into 3 compartments: 2) intercellular / interstitial fluid - 11 litres - 80 % -water's properties result from its structure and molecular interactions -polar covalent bonds and asymmetrical shape give it opposite charges on -electrons spend more time around O giving H a slight positive charge -hydrogen bonds form between the oxygen of one molecule and the -cohesion: substance being held together by hydrogen bonds -hydrogen bonds are ...
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Johannes Van Der Waals
1,122 words... slightly negative and the other end of it is slightly positive. The Dispersion forces exist between non-polar molecules. Dispersion forces are another of van der Waals' three forces. They exist between non-polar molecules. It is important to remember that within a bond, electrons are constantly MOVING. They zoom around the atoms really quickly. As a result, there may be a tiny instant in that time span where the electrons happen to dominant on one side, rather than the other. However, this t...
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Mad Cow Disease Amino Acids
1,495 wordsWho would of thought that eating hamburgers, steaks and drinking milk could produce an epidemic disease? These types of food are frequently eaten for their appealing tastes and nutritional values. The discovery of Creutzfeld Jakob Disease (CJD) has been a long and remarkable one. The cause of this disease is a mutated prion protein within the brain that can be either inherited or acquired. These mutations create sponge like holes that destroy the brain. As a result, the disorder gives both behav...
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Life On Earth H 2 O
726 wordsThe first thing water reminds us of is the clear liquid in our water bottles. However, water is more than a normal substance. Water is the beginning and the continual of life on earth. Because of its many unique properties, water was able to start life on our planet. The simple structure of H 2 O is the source of all water's properties. With two hydrogen atoms sticking to an oxygen atom in a tetrahedron shape, water is considered as a polar molecule. Because oxygen is very electronegative, it pu...
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Form Hydrogen Bonds O H Groups Site
346 wordsChemists have been looking for a sweetener that is sweet or sweeter than sucrose. They want it to have a pleasant taste with no aftertaste, is nontoxic, inexpensive, easy to make, stable to heat, stable in light, dissolves Readily in water, does not promote dental cavities, and preferably has no caloric content. Sweetness is not a simple property to work with. There are a lot of other properties that scientist has studied to get that right sweet taste. There is something that they all have in co...
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History Of The Human Genome Project
1,354 wordsThe Human Genome Project (HGP) is an international research effort to decipher the entire human genome and understand the unique hereditary instructions that each person possesses. The HGP is a jointly funded project by the U. S. Department of Energy (DOE) and the National Institutes of Health (NIH) with additional research done by the National (NHGRI). The project, launched in 1990, was originally planned to last 15 years, but rapid advances in technology have accelerated the expected completio...
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The Biological Importance Of Water
1,055 wordsGenerally, the main biological importance of water is that life cannot exist without it. In fact on a percentage basis, the majority of any organism is comprised of water. Additionally, it is believed that life first originated in the bodies of water on the earth. The importance of water is seen in such third world countries as Kenya. Where the inhabitants are forced to drink water so dirty and contaminated that they know it might kill them. However they still drink it because its essential for ...
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Hydrogen Bonds Hydrogen Ions
1,205 wordsProperties of Water Water is essential for life as we know it on earth. It is used by plants and animals for basic biological processes which would be impossible without the use of water. The origin of all life can be traced back to the water in the Earths precambrian seas. Water is also the universal solvent. It reacts with more elements and compounds than any other substance known to man. Water is a polar molecule made up of on atom of hydrogen and two atoms of oxygen. It is attracted to itsel...
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Nitrogenous Bases Amino Acids
1,451 wordsDeoxyribonucleic acid and DNA DNA Deoxyribonucleic acid and ribonucleic acid are two chemical substances involved in transmitting genetic information from parent to offspring. It was known early into the 20 th century that chromosomes, the genetic material of cells, contained DNA. In 1944, Oswald T. Avery, Colin M. MacLeod, and Maclyn McCarty concluded that DNA was the basic genetic component of chromosomes. Later, RNA would be proven to regulate protein synthesis. (Miller, 139) DNA is the genet...
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Surface Of The Water Hydrogen Bonds
984 wordsWater is the most important substance in our evolution and our daily lives. Without water, life as we know it would not have been possible. This essay will examine the water molecule in order to ascertain how it brought about Earths thriving ecosystem and how important it is to us today. Each water molecule consists of one oxygen atom and two hydrogen atoms. The oxygen atom (or the apex of the water molecule) bears a slight electronegative charge while hydrogen possesses a more positive one 1 (f...
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2 H 2 O Hydrogen Bonds
1,701 wordsLiquids and Solids How do the strengths of the intermolecular attraction compare btw solids, liquids, and gases at room temperature? What is the difference btw intermolecular bonds and intramolecular bonds? Explain how dispersion forces form. Explain how dipole-dipole and hydrogen bonds form How does viscosity change with increasing and decreasing temperature? Why is boiling a cooling process How does pressure effect the boiling point of a substance? How do intermolecular bonds effect the boilin...
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Hydrogen Bonding Hydrogen Bonds
414 wordsWhat properties of water make it a unique material and an essential component of living matter? Water is so common that it is easy to overlook the fact that it is an exceptional substance with many amazing qualities. With its properties, we can trace water s unique behavior to the structure and interactions of its molecules. Water is constructed of two hydrogen (H) and one oxygen (O). The hydrogen become + charged and the oxygen maintains a charge when they combine to form water. This is a singl...
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Sickle Cell Anemia Red Blood Cells
1,616 wordsProtein Synthesis The Expression of a Gene The process of Protein Synthesis involves many parts of the cell. Unlike other similar productions, this process is very complex and precise and therefore must be done in proper sequence to work effectively. The slightest error during this process could cause the action to experience difficulty or even fail. For example, in the production of starch, glucose molecules are combined to be stored and eventually utilized as usable chemical energy. The cell c...
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Protein Synthesis Amino Acids
788 wordsProtein synthesis is one of the most fundamental biological processes. To start off, a protein is made in a ribosome. There are many cellular mechanisms involved with protein synthesis. Before the process of protein synthesis can be described, a person must know what proteins are made out of. There are four basic levels of protein organization. The first is primary structure, followed by secondary structure, then tertiary structure, and the last level is quaternary structure. Once someone unders...
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Due To The Fact Hydrogen Bonds
1,126 wordsProperties of Cellulose Cellulose is a complex carbohydrate, or polysaccharide consisting of 3, 000 or more glucose units. The basic structural component of plant cell walls, cellulose comprises about 33 percent of all vegetable matter (90 percent of cotton and 50 percent of wood are cellulose) and is the most abundant of all naturally occurring organic compounds A natural polymer made up from D-glucose (C 6 H 12 O 6) monomer units, cellulose contains glucose units which link together to form lo...
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