Free Biology Essay Examples and Topics | Page 24

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1). The scientists outline that proteins are the essential components of life and that protein based molecules. The article dwells on the RNA World hypothesis that claims new evidence that RNA molecules were from reactions of then existing compounds;

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Primary and secondary infection with Mycobacterium tuberculosis Biology Essay

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Within this scenario, primary infection related to Mycobacterium tuberculosis is with fewer symptoms and problems. As stated above, an unnoticed primary infection can lead the patient towards secondary

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Catabolite Repression and Induction of Beta-galactosidase Synthesis Biology Lab Report

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In order to regulate the gene expression levels in a cell, there are certain mechanisms that must be considered in operation. In which case, the regulation is considered at transcription and translation levels or the stability of messenger RNA. The aforementioned can only work in regulation based on the synthesis of a particular protein.

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Prevention and treatment of the common cold: making sense of the evidence Biology Essay

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Nonetheless, some of the common symptoms of the common cold include a runny nose, sore throat, cough, and watery eyes among others. Similarly, the common cold has a wide range of

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Writing a protocol for genomic DNA extraction and PCR Biology Lab Report

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The genomic DNA (DNA fast, Qiagen , cat , no , 51204) as isolated from the tumoral tissues adjacent to the non-tumoral tissues

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Problems of toxicology on the human organism Biology Assignment

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Detoxification is a process whereby all the toxins in the body are removed. Can either be poison from a substance, heavy chemicals, chemical addictives and other toxins that can be found in food, water and also from metabolic waste products that are produced by the body.

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Preimplantation Genetic Diagnosis Biology Assignment

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However, there is a lot of debate on where to draw the line on this procedure. While many couples want perfect children, there has been a lot of debate surrounding PGD. A line

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Biology Biology Admission/Application Essay

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Spangenburg & Moser write that she used microscopic inquiry to explain different genetic developments (35-41). By narrating the process of genetic recombination during meiosis, she developed a maize genetic map. Finally, she elaborated on the

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Biology Biology Admission/Application Essay

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On the other hand, James Hutton was born in 1726 and was a Scottish naturalist and farmer popularly referred to as the father of modern geology. James Hutton was a keen observer of the environment surrounding him (Martin,

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Mitochandria Biology Dissertation

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While some cells do not contain any trace of mitochondria, others contain thousands. These organelles are not static rather they float all over the cell. Mitochondria are structured in a way that they contain two membranes. The first membrane being the inner membrane contains numerous folds that create a layer known as cristae.

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Pulse Magnetic Field Therapy and Phototherapy Biology Essay

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According to the author, Pulse Magnetic Field therapy uses magnetism in order to elicit its therapeutic effect. Based on research conducted by Marjorie, PMFT is quite resourceful when it comes to orthopedic and neurological treatment. The therapy works through the utilization of energy stored.

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Dangerous Virus of the 21st Century Biology Dissertation

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From this paper, it is clear that the outbreak of Ebola virus in parts of West Africa, and specifically Liberia, Sierra Leone and Guinea surprised the world and filled people with fear. This is because, for the first time, the scale of the outbreak was simply unprecedented (Bradford, 2014, Close, 1995)

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The Cause and Symptoms of Malaria Biology Research Paper

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Malaria is a disease that is caused by four parasitic Protozoans species belonging to the genus Plasmodium. The disease is classified as vector-borne due to its transmission in vertebrates through bites from infected mosquitoes. The name Malaria was coined from the Medieval Italian ‘mala aria’ - bad air. The name is due to the then belief that the disease was caused by bad-smelling air.

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Cell biology Biology Research Paper

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, properties, interactions with the environment, function, division, death and organelles (their locations within cells, functions, structures, compositions and adaptations) found within cells are delved into. The study of cells is done in a molecular level or is conducted suing

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Environment, More Than Genetics, Shapes Immune System Biology Coursework

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The study examined identical twins to determine the variations that occur between people in the same environment (Conover, n.p).

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Who was Henrietta Lacks Biology Coursework

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He was trying to create an immortal line of cells that could change the face of the medical world. He hoped that the cells would assist scientists in figuring the mystery behind cancer and thus eventually

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The chimpanzee as the Closest Human Relative Biology Essay

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Chimpanzees walk in troops for food and other essentials such as shelter and safety. A chimpanzee troop's region is mainly demarcated by the location of fruiting trees, as ready fruits make up over half of a chimpanzee's diet (Goodall 1986). The rest of their diet comprises other plant matter and insects.

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The animal weapons arms race Biology Essay

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riday radio show discusses horns claws and teeth in different animals and how these features are adapted as weapons to fight or protect the animal (Science-Friday retrieved from http://www.sciencefriday.com/playlist/#play/segment/9594). The topic being discussed is of great

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Marine Biology : Sharks Biology Essay

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Adult males measure from 40 feet to 48 feet while their females measure from 45 feet to 50 feet. A calf weighs around 900 kg after birth. It measures approximately 12-16 feet at birth. The young ones suckle their mothers for milk that sustains them for

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Significance of Discoveries in Genetics and DNA Biology Essay

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Therefore, modern day genetics can be defined as the study of genes and how those genes affect individual characteristics. It is more of understanding of

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The Use of Enzymes Biology Lab Report

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Extracting the enzyme by blending it with potato tissue in phosphate buffer, the effects were analyzed on the development of the dye guaiacol and the activity was measured under different temperatures. The optimum temperature was obtained at 22.20C, and above this temperature, the enzyme was denatured.

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Bioinspired liquid repellent surfaces Biology Literature review

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manipulation and operates under several conditions could have implications related to technology for areas related to health, energy, water, but this has been indicated to be very challenging (Martin et al.2003). The interaction control between solid and liquid surfaces is

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The coding gene downstream of the cloned promoter encodes luciferase reporter gene (Luc) Biology Assignment

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Luciferase is just a reporter gene and it depends on where you clone it to interpret the output. The gene encoding luciferase can be cloned in

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Science Times Biology Article

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Now scientists across the globe are hypothesizing that the fear factor can be eliminated within a given time frame. To assess the possibility of how fear memory can be erased, the

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The Effect of Competitiveness Biology Assignment

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The experiment entails comprehending the outcome of the competition in the construction and development of plant communities. This includes a study of plant competition to evaluate varying functional aspects of competitive interactions. This method is used to examine the effects of different resource accessibility.

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Ecology : Age Structure and Population Growth Biology Assignment

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Mortality rate in Mexico is slightly small comparing to that for Australia. Mexico is since recording low mortality rates because of the government focus on investing in public health measures. The government provides better

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Interspecific and Intraspecific Plant Competitions Biology Lab Report

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This report aimed at determining the effects of both interspecific and intraspecific forms of competition on total yield, survival and individual growth of two plants. Several materials including plant pots, planting trays, potting soil as well as seeds from radish and wheat were used. Seeds were subjected to light and temperature controlled chambers.

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Evolution of Eukaryotes Biology Essay

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The primitive eukaryote shown in step 4 evolves into the nonphotosynthetic protest, animal cells as well as fungal (Karp, 2009). The other group of “the primitive eukaryote takes in a photosynthetic prokaryote”, which later becomes endosymbiont that evolves into a chloroplast. In relation to this assertion, it is evident that endosymbiosis resulted in life.

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Prejudice Based on Skin Color Biology Dissertation

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The distribution of skin color tends to be multi-modal such that distinct groupings of people that share the same skin color can be observed. The persisting norm throughout human history has been to treat all the people within a given grouping in the same way, but subject people in different groupings differently.

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Isolation and Investigation of Catalase Biology Lab Report

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The rate of reactions is increased by the effect of enzymes and they do not affect the differences in reactions in free energy. Enzymes support a number of processes, which include chemical energy

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Genetic Drift Biology Essay

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A process that relies on the possibilities of events on genotype selection for the development of a beneficial trait for survival. Evolution is all about random genotype selections; whereas probability is a measure of how likely it is that an event will happen. Both probability and evolutions are about the likeliness of events occurring.

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Bat Filled Tree May Have Been Ground Zero for Enola Outbreak Biology Assignment

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The first family member to die of the virus in the region are said to have resided near the tree. On the other hand, the article notes, there is no evidence that animal provides the natural reservoir for the virus (Vogel 1). There are various things that Varmus did to help

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Stem Cell Science Case Study Biology Case Study

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This paper draws its comprehension of the phenomenon of using stem cell technology a case study done by doctors in São Paulo, Brazil. Recently, clinical experiments with stem cells have engaged the

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Palaeolithic-type diet and the metabolic syndrome Biology Essay

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A total of thirty-four subjects (18-70 years old adults) were included, out of which, thirty-two completed the study. Subjects, each with at least two characteristics of the

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Enzyme Activity Biology Lab Report

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This paper shall discuss the hypotheses that: HO: Various temperatures will not affect the rate and amount of oxygen produced when hydrogen peroxide is broken down by catalase. HA: Various temperatures will affect the rate and amount of oxygen produced when hydrogen peroxide is broken down by catalase.

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The Pivotal Role of Microglia in Iron Homoeostasis in the Brain Biology Essay

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The conclusion summarises the conditions that can lead to iron accumulation in the brain and its impacts. The mini-review is well-researched with lots of insightful details, but notes should be taken on the elements, such as grammar and the overall presentation of the paper. These sections are highlighted below.

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Genetics and society Biology Article

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Naturally, all human beings get a copy of gene from their mother and one copy from their fathers (by excluding the pesky sex chromosomes). This is applicable for all mammals too. However, the study of genes does not

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Growth and Development of an Insect Biology Lab Report

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The stage is called the pupation. The period involves secretion of protective covering in the body and at the same time, developmental changes occur resulting in adult form (Kay 3). The body form between the larva and the pupa from the experiment is entirely different in terms of size and morphology.

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Zha Reflection week 7 Biology Assignment

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tic influenced my interest in genetics with the aim of becoming an expert who can one day develop strategies for treating or managing genetic disorders. The experience and interest has played an important role in shaping my understanding from the materials. Based on my

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MJ refleection week 7 Biology Essay

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I have sufficient background information on DNA, RNA, and protein creation, as well as possible defects that could arise from changes in DNA arrangements. Even though I was not well informed of the dystrophin gene, my

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Communication between killer whales while hunting Biology Research Proposal

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The prey items are vast factor that many research proposals and surveys seek to establish the feeding ecology of the species killer whales. Social behavior is another concept entailed in the study of individual species and it entails the evaluation of

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Organismic Responses to Climate Change Biology Essay

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directly affected by climate change both on land in in the aquatic environment (Doney, Scott , Mary, Emmett, James, Francis, Chad, Heather et al, 2012, p 13). The region of coverage, where the animal’s cohabitate, range from the polar ice caps to the African

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Australopithecus Afarensis Biology Assignment

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Rolian and Gordon were to achieve the re-evaluation by re-examining the manual proportions of Australopithecus afarensis. The researchers were to base their re-examination on the assemblage of manual elements sampled from Hadar, Ethiopia. According to Rolian and Gordon (2013), the foundation for the conclusions was an assemblage of A.L. 333 composite fossil from Hadar, Ethiopia.

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Viuses are Non-living particles Biology Essay

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For instance, viruses can always lead to several diseases (Shors, 23). It is of critical significance to highlight that due to the nature of viruses, it is very difficult to kill them. This informs the reasoning behind several communicable diseases

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Respiration and Photosynthesis Cycle Biology Essay

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In both aerobic and anaerobic respirations, the process takes place in the cytoplasm and mitochondria cells. In addition, both aerobic and anaerobic forms of respiration result to production of energy and ATP (Jerome, 2008). The difference between the two forms is

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Conservation Biology Research Paper

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Harp seals are semi-aquatic animal marine mammals that spend most of their time in sea. The animal is sociable and lives peacefully with other seals. They give birth to single pups having white coats at birth time. Human beings hunt

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THE ACTIONS OF DRUGS ON THE GUINEA-PIG ISOLATED ILEUM Biology Lab Report

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Antagonists Y, also branded as aprepitant, belong to the substance P antagonists (SPA) class of drugs. It mediates its effect

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What is Sodium Potassium Pump Biology Coursework

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of a cell and just as the name of the enzyme suggests sodium potassium pump thrusts potassium into the cells of the animals while pumping out sodium out of the cells. While the enzymes perform the antiporter like function, they are not actual antiporter since the molecules it

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Identification of Lymphoid Tissue in Section Thymus, Spleen or Lymph Node Biology Lab Report

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In the case of the reaction, mouse lymphoid organs would not have exhibited active variation in the tissue colour from red to dark blue. Finally, a mouse spleen has a slight blue colouration as a result of increased extramedullary haematopoiesis that is not available in the above organelles (Turgeon, & Turgeon, 2014).

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Climate Change Impacts & Trends Biology Essay

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Global warming is the long-term and short-term influence on the climate that leads to increased greenhouse gas emission causing adverse impacts on the biological and physical systems. The menace is referred to as global warming because temperatures rise above the normal limits to melt the snows leading to rising in sea levels and ocean acidification.

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Biology Essays