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Biology Essays

Result for Subject Biology:
3614 essays
Structure and Functions of Organelles Biology Essay
6 pages (1804 words) , Download 0 , Essay
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The nucleus which controls cell operations compares to the city administration that governs other operations. Protein synthesis occurs in ribosomes. They can be termed as the processing and manufacturing industries that produce various items for use. Vacuoles used for the storage and digestion of food can be called ware houses and hotels.
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Poly-Microbial Condition or Disease Biology Term Paper
9 pages (2560 words) , Download 1 , Term Paper
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Measures were taken by individuals and professionals which are inclusive of the use of gels, fluoride mouth rinses, toothpaste, and dental sealant applications aid in the prevention of dental caries. The introduction of fluoridated toothpaste is seen as a valuable strategy that ensures that people are appropriately exposed to fluorides. 
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The Effect of Salinity on the Cytoplasm and Sap Concentrations between Potatoes, Swedes and Carrots Biology Lab Report
6 pages (2045 words) , Download 0 , Lab Report
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Data obtained from this experiment will be compared to other studies by Pearsall and Ewing (1926) that investigated protein precipitation and swelling of the tissues when exposed to concentrations of varying hydrogen ions. This experiment established that Swedes and carrots are less susceptible to solute concentration compared to potatoes.
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The Basal Metabolic Rate Biology Assignment
6 pages (1831 words) , Download 0 , Assignment
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The energy used by the body when at rest known as Basal Metabolic Rate (BMR) takes the largest portion of the metabolic rate. The BMR of an individual is the number of calories required by their body so as to be able to perform basic functions like breathing, maintaining the normal heartbeat, and maintenance of the body tissues (ShapeFit, LLC,2010).
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Antibiotic-Resistant Bacteria in Milk Biology Term Paper
11 pages (3426 words) , Download 0 , Term Paper
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A probable solution to the issue of antibiotic-resistant bacteria may be looming on the horizon in the form of genetic engineering of dairy animals for milk production. Mastitis is a frequent disease that affects milk-producing dairy animals by pathogens finding their way into the mammary gland through the canal in the teats present on the udder.
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The Nomenclature, Uses, and Discovery of Enzymes Biology Literature review
7 pages (2173 words) , Download 0 , Literature review
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The development of enzyme technology started in 1874, when Christian Hansen, a Danish chemist, generated the first-ever specimen of rennet by removing dried calves’ stomachs with saline solution. Pandey (2006) argues that this was the first enzyme preparation of moderately high purity employed for industrial reasons.
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DNA Repair Mechanisms Biology Coursework
13 pages (3796 words) , Download 1 , Coursework
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Telomere maintenance and genome stability involve the MRN complex as well as the repair kinases. The genome instability disorders like ataxia-telangiectasia (A-T), A-T_ like disorder (ATLD), and Nijmegen breakage syndrome (NBS) is a dysfunction of particular elements involved in the repair mechanisms. 
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Physiology of Taste and Smell, Differences between Taste and Smell and How Flavour Relates to Them Biology Essay
8 pages (2087 words) , Download 0 , Essay
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Flavour may be defined as the sensation one realizes when he places a substance (e.g. food) in his/her mouth. The overall flavor results from a blend of responses to the receptors on the tongue, the mouth, throat, and nose. The receptors trigger signals to the nervous systems which enable one to differentiate various substances in sensory terms.
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Nanog in Cancer and Stem Cells Biology Coursework
8 pages (2319 words) , Download 0 , Coursework
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This is the ability to create every cell family in the body, as well as germ cells like stem cells of the embryo. Nanog is a major inducer of pluripotency concerned with stem cell maintenance. Because Nanog is the major gene whose role is the protection of pluripotency in stem cells, it is then considered that Nanog might be promoting a populace of stem cells in cancer.
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MRN-Dependent and Independent Topoisomerase Removal Mechanisms Biology Term Paper
18 pages (5196 words) , Download 0 , Term Paper
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Nucleoside analogs refer to a variety of antiviral products that are utilized in preventing viral replication within the cells that are infected. An example of a nucleoside analog is Acyclovir, even though its inclusion within this classification is uncertain since it has just a partial nucleoside structure since an open-chain structure replaces the sugar ring.
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The Current Risk of Exposure to Legionella Bacteria Biology Assignment
10 pages (2500 words) , Download 0 , Assignment
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The Health and Safety Executive (2000) reported that Legionella is the bacteria that cause diseases collectively called Legionellosis, some of which are known to be fatal and others not. The most common of these diseases – and which is potentially fatal– is a form of Pneumonia called Legionnaires’ disease.
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Medical Haematology Immunocytochemical Staining of a Chronic Myeloid Leukaemia Cell Line Biology Assignment
5 pages (1321 words) , Download 0 , Assignment
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This report was conducted in order to understand how several different mechanisms have been implicated in BCR/ABL-dependent growth and accumulation of leukemia cells in CML. The report was also conducted in order to understand the role that BCR/ABL in the expression of MCL-1 in leukemia cells and as analyzed underlining signaling pathways.
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Cloning the CDC2 Gene from Schizosaccharomyces Pombe Biology Term Paper
9 pages (2571 words) , Download 0 , Term Paper
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High fidelity restriction enzymes are enzymes that cut the DNA and the vector at specific points with accuracy. Gel electrophoresis is used to observe different segments of restricted DNA fragments based on their size. A screening technique, that can be used to detect the gene in the smid pALA2, is called a blue-white screen.
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Lung and Blood Pressure Biology Assignment
8 pages (2950 words) , Download 0 , Assignment
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Irrespective of whether women are using contraceptives, the renal hemodynamic response to salt is also modulated by female sex hormones.  These hormones also affect the regulation of sodium excretion. The increased salt sensitivity in menopausal women strongly encourages the use of diuretics in hypertensive women (Stergiou et al, 2000). 
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Biology of Invertebrates Done at Nielsen Park Biology Research Paper
8 pages (2539 words) , Download 0 , Research Paper
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The goal of the field trip was to come up with a complete species list of invertebrates that would be collected during the survey. The abundance and composition of these species in the habitats sampled were to be measured. Some invertebrates could be identified with the help of the literature that had been provided.
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The Cardiac Cycle Biology Essay
7 pages (2005 words) , Download 0 , Essay
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Phonocardiograph is an instrument that is used to detect sounds that are produced by the pumping mechanism of the heart as illustrated by Arthur & John (2006). An electronic stethoscope has been developed which has a microphone helping in amplifying sounds made by the heart and therefore detecting abnormalities present.
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Applying Biology to Identify and Analyze Samples from a Crime Scene Biology Essay
8 pages (2386 words) , Download 0 , Essay
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Bloodstains are important as evidence in the forensic biology process. The stain or quantity of blood at the scene points to important clues on the nature of the crime. Blood spatter is vital in determining the weapon that may have been used to inflict injury. Blood also contains the genetic information of the person in their DNA. 
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Invertebrates and Human Health Biology Essay
6 pages (1656 words) , Download 0 , Essay
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This makes them practical to use in medical research as opposed to the vertebrates that have their clusters duplicated more than once. Invertebrates have helped medicine in this case. The two most commonly studied invertebrates are the Drosophila Melanogaster also known as the Fruit fly and Caenorhabditis elegans; which is a nematode.
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Effects of the Acetylcholine, Bathanechol and Neostigmine on Isolated Intestinal Smooth Muscles Biology Assignment
6 pages (1528 words) , Download 0 , Assignment
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Parasympathetic cholinergic neurons stimulate the motility activity while the sympathetic nervous system inhibits it. It is through synapses that connect to the enteric nervous system receptors cells where this is relayed as illustrated by Marieb & Hoehn. It is through muscarinic receptors within the gastrointestinal tract smooth muscles that digestive contractions are stimulated.
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The Role of Emerging Biotechnology Biology Coursework
16 pages (4633 words) , Download 0 , Coursework
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The term biotechnology refers to a field in applied biology whereby living organisms and bioprocesses are applied in fields that need bio-products such as technology medicine and engineering. There are various other technologies in which biotechnology is important. It is also applied in biofuels, aquaculture, nanotechnology, stem cells, and genome sequencing. 
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Developing a Vaccine against the Scabies Biology Assignment
6 pages (1702 words) , Download 0 , Assignment
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Scabies infects people of all races, socioeconomic standards, and ages, although children are the most affected, there is an increase in the rate of infection worldwide to up to 10% of the global population (Gratz, 2006). The mites found more often in overpopulated areas and places of poor hygienic conditions. In such vulnerable areas, there is an increase of up to 80% infection.
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The Structural Classification of Neurons Biology Essay
11 pages (2870 words) , Download 1 , Essay
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The compulsory characteristics to define a neuron are the presence of a synapse and the essence of electrical excitability that are sophisticated junctions of membranes that transport impulses from one cell to the other. The glial cells and the neuron body provide them with metabolic and structural support and all these processes form a nervous system.
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Microbes and Anti-Microbial Drugs Biology Assignment
6 pages (1750 words) , Download 0 , Assignment
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Microbes adapt to the changes in their environment which ensure their survival. Antimicrobial stops the microbes’ ability to spread and therefore there may be a genetic change that enables them to survive. The existence of some microbes in the intestine helps in fighting infectious diseases. (Shastri, 2006)
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The Role of Bcl-2 in Promoting Cell Survival Biology Term Paper
11 pages (2926 words) , Download 0 , Term Paper
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The cell is the most important unit within an organism it plays a major in ensuring that the needs of the main organism are a priority. The cell is too small and the human eye cannot observe it without assistance however science and technology have revolutionalized the study of the cell by e developing devices such as optic and the electron microscope which aid the human eye to observe the cell.
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Categories of Microbes and Infections Caused by Microbes Biology Essay
5 pages (1428 words) , Download 0 , Essay
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Doctors or health care professionals also provide treatment specific to a microbe, such as for bacteria, specific antibiotics are prescribed. Viral diseases are hard to treat since viruses reside in body cells and are protected from general medicines in the bloodstreams for which antiviral medicines are to be administered.
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Processes Used in Conduction of the Guthrie Test Biology Assignment
7 pages (1912 words) , Download 0 , Assignment
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The positive interpretation is based on the foundation of developed turbidity. The interpretation confirms the growth of the source of the sole carbon. AUX mediums have utilized the tests of inoculating assimilation. The results on these cases are normally opaque thus rendering it ambiguous in the determination as the results are difficult.
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Structure of the Cydia Pomonella in Croatia Biology Thesis
10 pages (2587 words) , Download 0 , Thesis
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It also assists one to get straight to the details instead of making assertions that have no basic ground in the context of the paper. It is just like the generation of fallacies and being justified, it makes a paper lose the threshold of the discussion allowing the paper to discuss other irrelevant details that do not merit the discussion.
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Membrane Permeability and Cell Division Biology Lab Report
10 pages (2845 words) , Download 0 , Lab Report
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Some compounds in the lamella hold the cells in a plant together. When the onion tips were treated with hydrochloric acid, the compounds were dissolved and to break the cells apart so that each cell was viewed separately. The Toluene blue stain was also used to stain the nucleus of the cell where cell division occurs.
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Membrane Permeability and How Cell Division Takes Place Biology Lab Report
7 pages (2064 words) , Download 0 , Lab Report
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To investigate plasmolysis and deplasmolysis, two small strips of red onions were placed on the microscope slide, and excess water drained. Two drops of distilled water were then added to one of the onion strips. A coverslip was placed on top of it. On the second strip of cells, two drops of 0.6M sucrose were added. 
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Human Physiological Systems Biology Coursework
7 pages (2221 words) , Download 0 , Coursework
Free
The process is a complicated one and it involves a number of steps as well as the utilization of muscles and hormones. It has been documented that the whole process of relaxation and contraction is also facilitated by the energy ATP which is actually the main component of the contraction and relation process. Also, the two other key components of muscle contraction are myosin and Actin.
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Components and Processes within a Polymerase Chain Reaction Biology Assignment
6 pages (1760 words) , Download 1 , Assignment
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It is noted that in the event a DNA molecule is heated then the hydrogen bonds that hold the double helix structures are denatured and thus the molecule is unzipped into single strands. In the event a DNA solution is cooled then the respective complementary base pairs can be joined and thus it results in the original double-helix structures.
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Definition Antimicrobial Peptides Biology Assignment
4 pages (1855 words) , Download 0 , Assignment
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The paper "Definition Antimicrobial Peptides" is a good example of an assignment on biology. This experiment has illustrated that antimicrobial peptides that are found in norepinephrine stimulated H. erythrite skin discharge belong to the well-elaborated families of brewing-1, brevinin-2, temporin, and esculentin-2.
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Forensics Fiber Analysis as a Significant Aspect in Convicting Offenders Biology Coursework
6 pages (1718 words) , Download 2 , Coursework
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When collecting and analyzing the transfer of fiber, the method used to spin the fiber into yarn, the components of the fiber, the amount of time the contact was made, the force within which the contact was made with and the condition of the material is integral in determining the transfer of fiber from one point to another. 
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Types of DNA Repair, Mismatch, and Photoreactivation Biology Assignment
6 pages (1769 words) , Download 0 , Assignment
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The author of the paper states that mismatch DNA repair is essential for the correction of any errors caused during DNA replication. Even though the replication of DNA is basically very accurate there are still chances that some errors might occur during the process of replication or synthesis and nucleotide incorporation.
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Is Genetic Engineering Harmful to Plants Biology Essay
7 pages (2236 words) , Download 0 , Essay
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In order to find out if genetic engineering is harmful to plants, it is important to find out the impacts of genetic engineering on plants. The question that can therefore arise from this is; what are the effects of genetic engineering on plants? Genetic engineering is vast and is conducted in plants, animals, and other organisms.
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Is Genetically Modified Food Harmful for Human Health Biology Literature review
7 pages (2285 words) , Download 0 , Literature review
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There are many scientists who believe that genetically modified food products can be hazardous not only to the health of the individuals but also to the environment as a whole, as it disrupts the natural genetic order of food crops and all the living being which are dependent on the crops for their existence.    
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DNA Typing and Genetic Mapping Biology Assignment
16 pages (4130 words) , Download 0 , Assignment
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The DNA backbone is essential seen as a repeated prototype of sugar groups as well as a phosphate groups. The term DNA means deoxyribonucleic acid which is a clear implication that DNA structure also contains a particular sugar known as Deoxyribose which actually is seen as a modification of another form of sugar known as ribose. 
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The Use of Biochemistry in Forensic Science Biology Literature review
12 pages (3340 words) , Download 0 , Literature review
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Liverpool John Moores University (2009) has confirmed that DNA has been widely used by forensic sciences as the biomolecule of the living cells. The importance of DNA in forensic is based on the ability of Deoxyribonucleic acid to preserve the information on genetics and passing the same attributes from one generation to the other. 
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How Marine Animals Maintain Salt and Water Balance Biology Essay
7 pages (1992 words) , Download 0 , Essay
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Marine crabs are stenohaline and the concentration of their blood varies with variations in seawater (Kamleshwar & Shukla n.d, p. 123). Examples of these animals are; Portunus, Hyas, Palinurus, and Maia. The organs of renal function are well established and are in the front segment of the second antenna. 
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Algae, Fungi, and Bacteria - Growing Conditions, Benefits or Harm to Humans and Animals Biology Assignment
12 pages (3169 words) , Download 0 , Assignment
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Algae can be aquatic or sub-aerial and aquatic algae can be found in a broad pH range, differing oxygen and carbon dioxide concentrations, temperature, and turbidity, they can also be planktonic or benthic (epilithic, epizoic epiphytic, or epipelic). algae use phototrophy heterotrophy to gain their nutritional needs.
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Process of DNA Replication Biology Coursework
6 pages (1647 words) , Download 0 , Coursework
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The helicase enzyme is involved in the unwinding of the double-stranded DNA (Cotteril, 1999). The DNA is then kept unwound by the single-stranded binding proteins. The primase enzymes are then involved in the synthesis of short fragments of RNA which act as primers for the synthesis of new strands of DNA. 
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Water Relations of Vascular Plants Biology Term Paper
13 pages (3372 words) , Download 0 , Term Paper
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The propensity of water to travel from a higher concentration region to that of a lower one is known as water potential (Ψ). However, in order to move water from one place to another, it is required to apply a considerable force that would result in the displacement of water. It has been found that the maximum water potential for any water volume may be identified as 0.
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Estimation of Protein Concentration Biology Lab Report
8 pages (2289 words) , Download 2 , Lab Report
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One of the best ways of doing so is to expose a sample of protein in solution to the Biuret reagent, which combines with a protein’s peptide bonds to form a complex with a pronounced purple color, and then use a spectrophotometer to measure the resulting solution’s absorption of light of 540-nm wavelength.
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Estimation of Protein Concentration by Spectrophotometry Biology Lab Report
7 pages (2100 words) , Download 1 , Lab Report
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In the case of proteins, a solution is allowed to react with the Biuret reagent (a combination of a base such as potassium hydroxide and copper II sulfate); the copper forms a complex with the peptide bonds of the protein and the resulting solution has a strong purple color, with maximum light absorption at a wavelength of 540 nm.
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Biological Production of Arachidonic Acid: Sources, Past and Future Biology Essay
4 pages (1700 words) , Download 0 , Essay
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Arachidonic acid is polyunsaturated and is mainly found in cell membranes, muscle cells, and the brain. It is mainly used in cell signaling thus aiding brain functions. It is also widely used for muscle repair making it very popular among bodybuilders as a supplement. It is commercially produced mainly for this purpose.
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Anatomical and Physiological Differences between a Newborn and School-Aged Children Biology Coursework
6 pages (1859 words) , Download 0 , Coursework
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The age in the discussion (0-1years and 5-11 years) display a great difference in both physiological and anatomical features, even though they both haven’t reached maturity so it will be futile to refute the relationship existed between various responses of humans to their ages in any social, economical, or even spiritual situations.
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Proving Rape by Forensic Biology Biology Essay
10 pages (2849 words) , Download 0 , Essay
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It is important to note that the information gathered from the latent fingerprint on a wall is not conclusive; the person whose fingerprint was found to be the latent fingerprint may not have committed the rape crime. That is why the other evidence will then be carefully analyzed to come up with conclusive evidence to exhibit before the court.
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Total and Viable Counts of Microorganisms Biology Term Paper
8 pages (2399 words) , Download 0 , Term Paper
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These involve the use of microscopes or magnifying lenses with an appropriate level of magnification (Tortora, Funke and Case 1995). Microorganisms are found in all living things all over the world i.e. plants and animals. They exist in a variety of habitats. They can live in the air, on land, or in water both fresh and salty. The three main classes of microorganisms are bacteria, fungi, and viruses.
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Acinetobacter Baumanni Biology Case Study
6 pages (1563 words) , Download 0 , Case Study
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This organism has been shown to have become such a threat in various institutions around the globe.  The implicated clinical significance of this organism has greatly been fostered by its implicated ability to develop a number of drug resistance determinants. This is thus an organism that stands to greatly threaten the antibiotic industry.
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Role of Bacterial Endotoxins and Exotoxins in Development of Diseases Biology Coursework
11 pages (2993 words) , Download 0 , Coursework
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The ability to produce toxins is generally specific to a particular bacterial species that causes the disease associated with the toxin. For example, only Clostridium tetani produce tetanus toxin, which can kill an adult human upon their coming in contact with only a tiny amount (microgram) of the toxin.
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