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Biology Essays

Result for Subject Biology:
3614 essays
Fertility Awareness Method: Natural Family Planning Biology Essay
7 pages (2214 words) , Download 1 , Essay
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Pregnancy brings immeasurable happiness and a blessing to those couples or individuals who are ready and capable of raising a child. However, in today’s rapid population growth and challenging way of life, not all teams have a sufficient source of income to sustain the demands of having many children and not all individuals are ready for the demands of parental responsibilities.
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Role of Microorganisms in Various Processes Biology Assignment
9 pages (2364 words) , Download 1 , Assignment
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Some bacteria and viruses, which are pathogenic to insects, are used in pest control. For example, the bacterium Bacillus thuringiensis is used in the biological control of pests such as bollworms, cabbage worms, alfalfa caterpillars etc. This bacterium produces a protein called the Bt-toxin, which is harmful to leaf-eating larvae of these insects.
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Efficacy of BTB Complex in Double Holliday Junction Dissolution Biology Essay
15 pages (4004 words) , Download 1 , Essay
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It is essential to state that bloom syndrome is a genetic disorder that occurs due to the inability to conserve the genomic structure of the body (Cohen, 2004). The mishap in genetics comes from crossovers of sister chromosomes; the syndrome is brought by autosomal recessiveness of the BML gene (Cohen, 2004).
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Smithsonian Tropical Research Institute in Barro Colorado, Republic of Panama Biology Essay
6 pages (1610 words) , Download 1 , Essay
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The history of STRI begins with the construction of the Panama Canal during which the Barro Colorado Island was formed (National Research Council). The damming of the Chagres River for the construction of the Panama Canal led to a rise in its water levels, causing the formation of the Gatun Lake.
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The Impact on the Ecosystem Biology Essay
6 pages (1758 words) , Download 1 , Essay
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This cannot rule out the vast number of negative impacts that the human population has on the ecosystem around it; human beings, over the years, have become so greedy that their actions have begun to pollute rivers and lakes as well as the air that is breathed;
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Role Women played in the Scientific Revolution of the 18th Century and Science Today Biology Essay
7 pages (1750 words) , Download 1 , Essay
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But feminists discourses have contested this position pointing to the way science has evolved to become highly “masculine” focusing more on exploitation and destruction rather than constructive coexistence and peace. Especially how science has developed a way of looking at nature and weaker sections of human society has come under the critical scanner. 
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Methods to Measure Biodiversity and Relative Strengths and Weaknesses Biology Essay
8 pages (2198 words) , Download 1 , Essay
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It is essential to state that biodiversity describes the diversity and distribution of life on Earth. Biodiversity can be defined as variability among living organisms. This encompasses species, ecosystems, genes and their various forms. From three different perspectives, it can be defined as the following.
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Contribution of Mitochondria to the Cellular Energy Budget and the Ethical Implications of Mitochondrial DNA Biology Essay
8 pages (2122 words) , Download 1 , Essay
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The cell membranes allow substances to pass in and out of the cell, a process that also relies on energy. For these processes to occur there, must be sufficient sources of energy that supply cells with the required energy. The main sources of energy are organic fuel molecules, which are oxidized by cells through a process referred to as respiration.
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Prader-Willi Syndrome and its Linkage to Genetics Biology Essay
10 pages (2686 words) , Download 1 , Essay
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The carrier begins to develop an unusually high appetite beginning in childhood, which results in hyperphagia or continuous over-eating, as well as overweight and obesity. For individuals carrying the defective genes that cause PWS, especially those afflicted by obesity, a high prevalence of Diabetes Mellitus II exists. 
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Molecular Mechanism of Antibiotic Resistance in Escherichia Coli Biology Essay
8 pages (2379 words) , Download 1 , Essay
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In that regard, it is vital to understand the antibiotic resistance mechanism of E. coli, especially at the molecular level. This implies that the quantification of the mechanism upon which this eventuality is realized will have to drench deep into the responsible genetic sequences in the DNA of the bacterium.
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Why is Hepatitis E of Increasing Importance for Developing as well as Developed Countries Biology Essay
9 pages (2569 words) , Download 1 , Essay
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HEV has one serotype but four genotypes. Humans are infected exclusively by genotypes 1 and 2 HEV while genotype 3 and 4 HEV infect humans as well as other mammals including pigs since they are zoonotic.
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New Loci for Genetic Resistance to Malaria in Humans Biology Essay
6 pages (1500 words) , Download 1 , Essay
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Factors dictating the susceptibility of malaria include environmental, parasite virulence, and host genetics (Mackinnon et al., 2005). These facts may interplay to determine the cause of the disease. The severe form of the condition is the one caused by P. falciparum which is prevalent in Sub-Saharan Africa. 
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Molecular Genetics Biology Report
7 pages (1851 words) , Download 1 , Report
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On the gel, the circular form of the nucleic acid would move a greater distance from the gel as compared to the linear form. This is because the movement of nucleic acids through the gel depends on the molecular size as well as the shape of the nucleic acid molecule. 
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Bioinformatics and Molecular Modelling Biology Research Paper
8 pages (2179 words) , Download 1 , Research Paper
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They widely exist in plant and microbial species, but with the poor characterization of structure. Plant lipases are often considered to be involved in regulating certain plant growths and developments (Bos and Laxminarayan, 2011; 42). They are mainly found in seeds where triglycerides are stored in the form of intracellular structures or the oil bodies.
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Clostridium Botulinum Biology Essay
9 pages (2585 words) , Download 1 , Essay
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When these toxin-containing foods are consumed, it results in a medical condition clinically referred to as botulism, which often causes death. The Botulinum toxin produced by the Clostridium bacteria is the most poisonous substance found in the world, where 1 gram is potent enough to kill nearly 30 billion mice.
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The Role of Procoagulant Microparticles in Hemostasis Biology Essay
6 pages (1933 words) , Download 1 , Essay
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Microparticles range in diameter from 100-1000 nm, but most have a diameter of 200 nm. Procoagulant MPs mostly appear as a result of apoptosis and vascular cell activation. Increased levels of circulating platelet, monocyte, or endothelial-derived MPs are associated with CVD risk factors and indicate the poor clinical outcome.
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Red Blood Cells and Their Journey Biology Essay
7 pages (2199 words) , Download 1 , Essay
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The cell membrane is the key to determining the properties of the erythrocyte. The cell membrane also consists of a certain cytoplasmic enzyme that helps in maintaining the flexibility of the cell membrane, transport of ions, and also prevents the oxidation of proteins in the red blood cells.
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The Circulatory System Biology Essay
6 pages (1833 words) , Download 2 , Essay
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One of these systems is the circulatory system. Because of what it does for man, the circulatory system can also be considered the most important one. Without the circulatory system, man will not be able to live. People usually associate the circulatory system with blood and they are not mistaken. 
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Mechanisms of Protein Folding In Vitro Biology Essay
12 pages (3527 words) , Download 1 , Essay
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Proteins are biology’s workhorses, its ‘nanomachines’. Proteins help your body break down food into energy, regulate your moods, and fight disease. Before proteins can carry out these important functions, they assemble themselves, or ‘fold’.
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Climate Change - Negative Impact on the Coral Reefs Biology Essay
6 pages (1631 words) , Download 2 , Essay
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Studies on the present and imminent effects of human-stimulated climate change on reef-building corals are making managers and scientists become more and more alarmed about the prospect of coral reefs. A vigorous reef ecosystem contains tremendous activity, colors and sounds, and is filled with significantly compact aggregations of invertebrates and fish.
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Compare and Contrast between Adult Stem Cells and Embryonic Stem Cells Biology Essay
10 pages (2700 words) , Download 1 , Essay
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The multicellular organisms include all the animals and especially mammals and they are able to undergo the process of mitosis whereby they divide. Stem cells are found within the bodies of organisms and their location gives them their specific categories hence the two main types of stem cells.
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Sex Hormone-Binding Globulin Gene Biology Essay
18 pages (4910 words) , Download 1 , Essay
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The similar transcription unit which encodes plasma SHBG is also expressed in the testes of most mammalian organisms. In these species, the SHBG homolog widely referred to as the androgen binding protein (ABP) is produced and secreted by Sertoli cells. This production and synthesis of ABP are usually under the influence of follicle-stimulating hormone.
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Protein, Carbohydrates, Lipids, Water and Minerals Biology Essay
7 pages (1950 words) , Download 1 , Essay
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Proteins are referred to as the building blocks of the body because they are used in the repair and maintenance of the body. The simplest structural form of proteins is an amino acid. Proteins are very important as they engage in cell repair and the formation of new cells. Proteins are also very important during pregnancy, childhood as well as adolescence.
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Paul Ehrlich's Influence on Modern Microbiology and Immunology Biology Essay
10 pages (2702 words) , Download 1 , Essay
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Though his early studies of antitoxins, his work developed further into a serious examination of the diverse number of chemicals which were available to him for the purpose of identifying those which could be used to fight such bacterial species as treponema pallidum, which was the main agent that was responsible for the development of syphilis.
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Monoclonal Antibodies Biology Essay
10 pages (2500 words) , Download 2 , Essay
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The fused cells are grown in a selective medium called the HAT medium which contains Hypoxanthine, aminopterin, and thymidine. (Saha 2010). The cells are then separated and each cell is grown in the HAT medium and the antibodies secreted by each cell are assayed for their ability to bind with the specific antigen.
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Malaria Resistant Humans Biology Research Proposal
9 pages (2681 words) , Download 1 , Research Proposal
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The variation in the immune system of humans and the modification in the human blood cells are the major reason for the malaria resistance in humans. Our human body possesses a lot of adaptations against malaria.
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Biochemical Principles Biology Essay
8 pages (2081 words) , Download 3 , Essay
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Items with one simple sugar are monosaccharides and a typical example is a glucose. This is the most common type of carbohydrate found in mammalian bodies and is what medical professionals call blood sugar. The following is the molecular structure of the three common carbohydrates: glucose, fructose, and galactose.
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Why is Evolution True Biology Book Report/Review
10 pages (2533 words) , Download 1 , Book Report/Review
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Evolution is based on the notion that all life on earth originated from a common universal ancestor, who through repeated speciation and divergence, led to the rise of different species. The common ancestry if inferred upon through the study of existing species and fossil records of species shared sets of DNA sequences; biochemical and morphological traits are elucidated.
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Pros and Cons of Test Tube Meat Biology Essay
6 pages (1619 words) , Download 1 , Essay
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Genetically modified organisms can be defined as organisms whose DNA has been altered artificially or in the lab using different kinds of gene technology. Using genetic engineering, scientists have the ability to modify the characteristics of different organisms, introduce favored characteristics and eliminate unfavorable ones in the genetic makeup of the organism.
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Diet and Digestion Issues Biology Essay
10 pages (2914 words) , Download 1 , Essay
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Teen athletes typically require more calories than other active teens, requiring at least 3,000 to 4,000 calories every day. The most important source of energy for the male teenage athlete is carbohydrates, which necessitates the inclusion of carbohydrate sources in each meal. At least 45-65% of all calories must be from carbohydrates.
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Gas Exchange and Transport Biology Essay
9 pages (2502 words) , Download 1 , Essay
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Simultaneously, the diaphragm contracts and descends, increasing chest depth. Thoracic capacity increases, in turn reducing inter-pleural pressure, causing the elastic lung tissue to stretch and expand so as to fill the thoracic cavity. As alveoli air pressure falls below atmospheric pressure, air moves from the atmosphere into the alveoli.
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Knee Replacement Design Biology Essay
10 pages (2969 words) , Download 1 , Essay
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The implant design is crucial in the determination of activity level patients can engage in after the knee replacement. Research indicates that massive restrictions have been caused owing to the implant disease, and this necessitates the improvement of implant designs for better service and improved mobility.
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Human Genome, Potential Use of Genome Genetic Variation in Health Screening Biology Essay
6 pages (1684 words) , Download 1 , Essay
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Individual genes contain directions for specialized protein production in human cells, and these include production instructions for proteins of the structure as well as enzymes. The human genome itself is made up of gene pairs in the tens of thousands. With an individual being the inheritor to a gene from each of a person's parents.  
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Hemophilia as a Genetically Inherited Bleeding Disorder Biology Essay
7 pages (1959 words) , Download 1 , Essay
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The study of human genetics has been greatly facilitated by the completion of the human genome project, highlighting that humans have about 30,000 genes. The human genome project would help in the unraveling of various genetic mysteries associated with diseases and the transmission of the diseases. Human diseases can be divided broadly into three categories.
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Industrial Scale Production of Heterologous Proteins Biology Essay
17 pages (5377 words) , Download 1 , Essay
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The need for proteins of significant importance, such as insulin, human growth factor, somatostatin, albumin, and heparin and virus antigens in emerging medical therapies has prompted the development of procedures of production in high quantities. The understanding of gene expression in different cells has been a major benchmark in the production of these proteins.
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Benefits of Stem Cell Research Biology Essay
11 pages (2987 words) , Download 1 , Essay
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The excitement with this development was that doctors had come up with an ideal way to treat various human diseases while the controversy was based on the ethical implications of destroying human embryos in the name of cure. This gave rise to debate by political leaders on the necessary steps and regulations that were supposed to be followed in funding stem cell research.
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Ultra Heat Treatment of Milk Biology Essay
10 pages (2906 words) , Download 1 , Essay
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There are many reasons that have been forwarded as to why the milk should not be consumed. Denaturation of proteins and the destruction of amino acids and enzymes in the body, consequently leading to more adverse effects in the body is one reason cited.
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Cloning Brachyury from SW480 in pNEB193 Plasmid Biology Lab Report
8 pages (2129 words) , Download 1 , Lab Report
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This was a small value which indicated that the concentration values obtained by the class had a small variation among them. This may have been because the conditions for the experiment were the same with small variations among them. As for my part, accurate pipetting meant that my results were more accurate than the rest.
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Genetics and Molecular Biology Biology Lab Report
6 pages (1672 words) , Download 1 , Lab Report
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This discussion will be focused on explicating the results of a laboratory experiment to determine the contamination of food products with other external contaminants. The PCR experiment will specifically entail identifying whether or not the claims made in regard to the foreign materials contained in these food products are true.
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Design of Functional Metalloproteins Biology Literature review
6 pages (1821 words) , Download 1 , Literature review
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The researchers were very open in that they recognized the sponsors of the study and whoever provided with any form of assistance may it be materials. He acknowledged the European Union that provided with the funding otherwise it would not have been a success. Some of the authors fail to recognize important persons who funded them in running their projects besides other forms of help.
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Omic Technologies in Cancer Diseases Biology Essay
6 pages (1828 words) , Download 1 , Essay
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This technology is mainly aimed at the universal detection of metabolites (metabolomics) mRNA (transcriptomics) genes (genomics), and proteins (proteomics) in a specific biological sample in a non-biased and. non-targeted manner. It is also known as high-dimensional biology; the integration of these techniques is referred to as systems biology.
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Comparative Genomics Biology Essay
18 pages (4927 words) , Download 1 , Essay
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Samples that contained the target gene were subcloned for future sequencing in the polymerase chain reactions. The sub-cloned samples were loaded in the 96 wells of the PCR plate and the original primers for the first screening used (Ciccarelli, and Miklods, 2009).
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Oxidative Phosphorylation and the Electron Transport Chain Biology Assignment
10 pages (2706 words) , Download 1 , Assignment
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When the ADP and Pi stores are somewhat present it binds to the loose site of the ATP synthase molecule and as Hydrogen ions start entering the inner mitochondria through the ATP synthase half proton channels the ADP and Pi bound to the loose site now becomes placed on the Tight site where the free energy of electron transport chain translates to the synthesis of ATP.
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Muscular and Endocrine Systems Biology Assignment
18 pages (4690 words) , Download 1 , Assignment
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Hormones are chemical substances that are secreted by specific organs and act on target organs. They are regulatory. The explanation for the correct answer: The absence of ducts. Endocrine glands secrete hormones into the blood. Ducts are delivery systems that are used to transport substances in the body (Olubummo, 2010).
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Genetic Diseases: Hemophilia A Biology Essay
6 pages (1751 words) , Download 2 , Essay
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To be noted is that these disorders may not or may be heritable i.e. passed through human genes. In the non-heritable genetic types, these defects can be caused through new changes or mutations to an affected individual’s DNA. In such case scenarios, the defects present are only heritable in the event of occurrence through the human germline.
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Clustered Regularly Interspaced Palindromic Repeats Biology Essay
10 pages (2914 words) , Download 3 , Essay
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Spacer elements are suggested to have occurred due to past exposure of bacteriophages or any other extra-chromosomal DNA. CRISPRs structures are often associated with a cluster of genes called CAS genes. These genes have been isolated from many bacterial species such as Streptococcus SPP.
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The Allergy Epidemic Biology Essay
7 pages (1977 words) , Download 1 , Essay
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Today, asthma is a popular chronic disease among children. One in three individuals in the UK is affected by allergies with the children being the most vulnerable ones to allergic diseases. The occurrence of allergic diseases is at an alarming rate with many individuals from developed countries having an allergic condition.
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Genetically Modified Organisms Biology Essay
11 pages (3051 words) , Download 1 , Essay
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What is apparent is that there is not sufficient information on the dangers of genetically modified organisms on human health as of present. In addition to this, scientists have not been able to come to a common ground on the possible hazards or the security of this technology.
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Questions concerning Biology Biology Essay
6 pages (1866 words) , Download 1 , Essay
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The formation of free radicals takes place in our cells as the result of the enzymatic as well as the non-enzymatic reactions. Enzymatic reaction, which is a source of formation of free radicals, may take place in the cytochrome P450 system, in prostaglandin synthesis, in phagocytosis and in the respiratory chain (Vani, et al., 2013).
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Molecular Biology of Pancreatic Cancer Biology Essay
10 pages (2816 words) , Download 1 , Essay
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It has been approximated by “The American Cancer Society” that around thirty-seven thousand, one hundred and seventy United States residents were diagnosed with this specific type of cancer while around thirty-three thousand, three hundred and seventy died from it during 2007 (American Cancer Society, 2007).
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