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Biology Essays

Result for Subject Biology:
3614 essays
Darwins Theory of Evolution by Natural Selection Biology Coursework
1 pages (326 words) , Download 3 , Coursework
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It also occurs through the differential survival of individuals with different combinations of variable characteristics. Through reproduction and inheritance of character, these variants are spread through the population over time. The first factor that influenced Darwin to develop the theory was through observation of the natural world around him.
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The Humerus of Eusthenopteron as a Puzzling Organization Biology Essay
2 pages (598 words) , Download 2 , Essay
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The findings of the study bring up questions regarding the original significance and function of the marrow emplacement into the bones of the limbs as well as the adoption of extension growth that is tetrapod-like. Similarly, issues are raised regarding the possible function as a facilitating factor for terrestrialization. 
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The coding gene downstream of the cloned promoter encodes luciferase reporter gene (Luc) Biology Assignment
1 pages (250 words) , Download 2 , 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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The Digestive System Biology Coursework
1 pages (250 words) , Download 5 , Coursework
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These ideas have been persistent due to the great admiration and desperation for patients to replace their organs. He outlines how in every second patient die when there is a capability to survive if the organ or a tissue is
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Lab Assignment Biology Lab Report
1 pages (403 words) , Download 4 , Lab Report
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Furthermore, osmosis requires a semi-permeable membrane, while diffusion does not. The intake of water in plants is an example of osmosis. Diffusion is observed when a drop of food coloring is added to a glass of water, where eventually, the entire water content becomes colored.
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Photophosphorylation the Light Reaction Biology Assignment
3 pages (981 words) , Download 2 , Assignment
The author states that photosynthetic plants absorb light in the visible spectra and their pigments (chlorophyll) absorb light from the red and blue regions of this spectrum. Therefore, the green light is not absorbed and it is this light that causes the plants to appear green as it is reflected or transmitted.
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Summarize the Article Biology Essay
1 pages (250 words) , Download 2 , Essay
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The Study eligibility criteria used by the researchers included and ability to walk 20 feet without personal assistance, individuals aged 70 and above, ability of the participants to understand and communicate in fluent English and their plans to stay in the area for two
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Lab 4 Infectious Bacterial Identification from DNA Biology Lab Report
1 pages (250 words) , Download 3 , Lab Report
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DNA sequencing involve identifying the DNA sequence of a bacterium then multiplying the DNA strands using the polymerase reaction that generate a lot of DNA
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Your Inner Reptile Biology Essay
2 pages (500 words) , Download 8 , Essay
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The earliest evidence is demonstrated in the remnant egg yolk at the beginning of the embryonic development of a human. The egg yolk is still a dominant feature in the egg of a reptile and birds. The baby is also surrounded by amnion, a fluid cushioning the embryo. When reptiles ventured into the land, they faced a threat of having their eggs dry.
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Assignment 2 - Differentiating age changes from pathological changes Biology Assignment
2 pages (500 words) , Download 2 , Assignment
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In 12 to 36 hours, an increase in breathlessness and cough occurs, with the cough producing small amounts of mucus. The patient may also have blue coloured lips. In bacterial pneumonia, temperatures rise as high as 105
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The cardiovascular system Biology Assignment
6 pages (1500 words) , Download 5 , Assignment
Both left and rights parts of the heart are further subdivided into lower and upper compartments called ventricles and atria, respectively. The heart is divided into two halves to enhance the two circulatory systems
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Final Exam Biology Biology Assignment
11 pages (2750 words) , Download 2 , Assignment
This led to the extinction of the slow cheetahs and the domination of the faster ones. Individuals at each level will consume some of the energy given or passed from the previous level and so the biomass will decrease as
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GFP Mutants with Altered Mass Spectra Biology Research Proposal
9 pages (2250 words) , Download 2 , Research Proposal
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The author states that there are enhanced GFP (EGFP) that has higher-intensity emission after blue-light excitation compared to wild-type GFP. Another is GFPuv, a recombinant GFP with maximum maximum emission spectra is 509nm, similar to that of wild-type GFP. GFPuv has a molecular weight of 29 kDa with three amino acid substitutions.
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Hato and Conuco Story Biology Assignment
1 pages (250 words) , Download 2 , Assignment
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Thus the literal meaning of the word Hato is herd and indicates that the owners were basically entitled to raise their herd on a pre-allocated piece of land. Hatos was, therefore, a large tract of land. This was mostly because of the inherent nature of the type of society that tends to emerge after such union i.e. no conflict with others.
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Genetics Lab Reoprts Biology Lab Report
3 pages (750 words) , Download 2 , Lab Report
This was also evident in our class. The frequency in our group was 71 percent and is close to what is expected in any group of people. This implies the gene for non-tasters is recessive gene, which maybe arises from a defect in an enzyme
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Assignment-Synthesis of a Protein Biology Lab Report
2 pages (500 words) , Download 7 , Lab Report
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4. If a particular protein was absent, it would lead to errors in protein synthesis. Errors in protein synthesis disrupt cellular fitness, cause disease phenotypes, leads to loss of function of the protein (non-functional proteins) and protein misfolding.
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Alzheimer's Disease: Diagnosis, Treatment, and Management Biology Article
2 pages (706 words) , Download 4 , Article
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The cause of the disease is unknown to this day while other researchers may attribute it to genetics, as the condition is equally hereditary. The disease that begins with memory loss and shares some of its characteristics and depression requires effective management and regular testing to manage.
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Scientific Inventions and Discoveries Biology Article
2 pages (582 words) , Download 2 , Article
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Additionally, hysteria about the future is heightened by tweets and photoshop technologies that attempt to provide humanity with an illusion of good times ahead (Schulmiller 2). Alternatively, the atomic-age architecture that defined the ‘50s and ‘60s has been transformed into fiction to enable the present generation of the nostalgic days.
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Laboratory Diagnosis of Ebola Disease Biology Essay
1 pages (326 words) , Download 3 , Essay
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Ebola disease is a primate and human disease, which is mainly caused by the Ebola viruses. These viruses result in severe and acute sickness, which is fatal if untreated. This deadly viral disease first appeared simultaneously in the Yambuku area in the Democratic Republic of Congo and in Nzara in Sudan. The latter occurrence was the renamed Ebola River.
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Microtubules as the Important Parts of the Cell Micro Skeleton Biology Lab Report
11 pages (3574 words) , Download 2 , Lab Report
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According to research carried out recently, microtubules are attributed with the role of maintaining intrinsic cell length control. Meanwhile, even after the development of a model that describes the MT dynamics that are associated with the control of cell length, elucidation of the spatial variability of MT nucleation is yet to occur.
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Biological Races in Humans Biology Literature review
1 pages (250 words) , Download 2 , Literature review
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Genes are passed down from generation to generation, often forming a pattern that can be interpreted. Paul Broca and Robert Bean examined race and concluded that just like gender, the race is a concept that is mostly beyond our grasp. They concluded that we can decide our children’s races by marrying people from certain races, but we cannot change ours.
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Experiment: Photosynthesis Consumes Carbon Dioxide and Produces Oxygen Biology Lab Report
2 pages (720 words) , Download 2 , Lab Report
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Photosynthesis is a process in which there is the conversion of light energy to chemical energy in the chloroplast. The process takes place in the presence of energy, given by light, required to trigger the reaction therein. The reaction involves water and CO2 and in the presence of light energy, sugar and O2 are formed as a by-product. 
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The Presence of Memory in Animals Albeit Biology Essay
4 pages (1315 words) , Download 2 , Essay
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Whenever the existence and extent of the memory of animals are being assessed, learning and rationality are always included since memory is the basic and initial step of these brain activities in organisms. In order for an animal to learn or be able to assess its environment, it needs to make use of past information gathered in the form of memory.
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Food intake for 3 full days Biology Essay
2 pages (500 words) , Download 3 , Essay
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Food that provided me fat was my vegetable oil in which I cooked my meals, and cream and butter that I took with bread (chapatti). b. I noticed that, compared to DRI, I was taking more egg protein since I am used to
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The concept of 'personalised medicine' is hard implement. Discuss this statement Biology Essay
4 pages (1000 words) , Download 3 , Essay
It has to be the right medical intervention at the right time. On the other hand pharmacogenomics refers the response of a person’s genes to the drugs administered (Rang & Dale,
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Types of STDs Biology Assignment
1 pages (404 words) , Download 2 , Assignment
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Sexually transmitted diseases (STDs) — or sexually transmitted infections (STIs) — are generally acquired by sexual contact. The bacteria, viruses or parasites that cause sexually transmitted diseases may pass from person to person in blood, semen, or vaginal and other bodily fluids.
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Wetlands Biology Research Proposal
7 pages (1750 words) , Download 2 , Research Proposal
Such plants include; cattails, arrowroots, carnivorous sundew, mosses, sedges and ferns. The wetlands eco-system also provides water, food and shelter to a diverse number of insects and animals. Invertebrates
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Determination the structure of BPSL1549 Biology Lab Report
6 pages (1500 words) , Download 2 , Lab Report
The bacterium is saprophytic, do not form spores and lives in usually lives in soil. The bacterium has capabilities of infecting both humans and plants via open wounds, inhalation and ingestion. The bacterium doesn’t have a definite incubation period but
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Natural selection Biology Assignment
2 pages (500 words) , Download 4 , Assignment
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In Drosophila pseudoobscura, heterozygosity and homozygosity is a common occurrence on the third chromosome. In natural settings, variations in the constitutions of the genetic makeup of the
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What is Sodium Potassium Pump Biology Coursework
1 pages (250 words) , Download 2 , 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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Checkpoint kinases (CHK2) Biology Lab Report
2 pages (500 words) , Download 2 , Lab Report
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Basing on the figure below, it is observed that the ancestral nucleotide is T and the new nucleotide is C. Also in the figure we can see the way SNP is distributed in the different populations. In the general
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Clinical Immunology Biology Essay
2 pages (500 words) , Download 3 , Essay
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Innate immunity is built in whereas acquired immunity is adaptive immunity. For our ease we divide the immunology into two further subtypes which are classical and clinical immunology. Classical immunology deals with the study of how a
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Sodium and Potassium Levels Biology Lab Report
5 pages (1569 words) , Download 2 , Lab Report
Free
Sodium burns in the air in a yellow flame to form a white solid called sodium oxide. When sodium oxide is dissolved in water to make an alkaline solution, sodium toxicity has been known for a long time and may be found in table salt, rock salt or salty water bodies such as seas and oceans. Sea divers know the adverse effects.
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Review of 'The Moths of War' Biology Assignment
1 pages (250 words) , Download 3 , Assignment
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The controversy surrounding the peppered moth studies are that it was discredited thus tattering the reputation of the original scientist. The anti-revolution organizations claimed that the peppered moth study was flawed as well as the entire
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Hemoglobin conformation(the T to R transition of hemoglobin) Biology Article
1 pages (250 words) , Download 3 , Article
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Each of the subunits there is capable of binding to an oxygen molecule via the heme group. Studies have shown that hemoglobin exists in one of the following conformations T (taut) and R (relaxed). When the hemoglobin is deoxygenated (blue in color), it is found in the T
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Clostridium botulinum (Microbial form and function) Biology Essay
10 pages (2500 words) , Download 2 , Essay
Under specific condition, this bacterium may also grow in foods creating neurotoxin(s). When these toxin-containing foods are consumed, it results in a medical condition clinically referred to as botulism, which often causes death.
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Principles of Pathology Biology Essay
6 pages (1500 words) , Download 2 , Essay
Pathology can be divided into many divisions such as anatomical pathology, clinical pathology, molecular pathology or general pathology. These types deal with the diseases in different ways. Thus, anatomical
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Scientific Writing Biology Essay
2 pages (500 words) , Download 2 , Essay
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It has the mechanisms of recognizing pathogens and external materials as non-self and consequently mounts an immune response against them.
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Summary to the Article Biology Essay
1 pages (250 words) , Download 2 , Essay
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About 385 to 359 years, ago, a major evolution occurred that has not only changed the physiological features of the tetrapods but also their morphological features. In this respect, the paper mainly addresses the process of the evolution of this tetrapod-like fish
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Analysis of a primary research article Biology Article
1 pages (250 words) , Download 2 , Article
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Another hypothesis tested in the first study was whether E. coli O157:H7 was resistant to meat heat processing. The purpose of the second study is to investigate an outbreak caused by E. coli O145 in a day care center (Wahl, Vold and
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Cancer Nanotechnology Biology Research Proposal
7 pages (1750 words) , Download 2 , Research Proposal
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The side effect together with cancer in a human body causes a weak system. Some of these last effects include, mouth ulcers, hair loss, appetite loss, digestive problems, low concentration and memory problems, heart conditions among other conditions. Aside from the side effects, these cancer treatments always cause patients hefty payments.
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Mitochondria as an Essential Part of Functioning of the Organelles in the Endomembrane Biology Essay
4 pages (1040 words) , Download 2 , Essay
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The identification of specific body fluids especially in forensic casework has conventionally drawn in protein-based tests that exhibit, whereas cannot confirm, the absence or presence of a particular body fluid in addition to somebody fluids like vaginal material or menstrual blood, there are actually no protein-based experiments.
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Relationship between Sex and Temperature Biology Essay
1 pages (342 words) , Download 2 , Essay
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It is a type of environmental sex determination that the eggs that the temperature determines hatch. In this method, the temperature is used to determine the sexes of the organisms. This type of sex determination mainly occurs in alligators and crocodiles, turtles and many kinds of lizards, as well as in snakes and spiny-backed reptiles.
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The chimpanzee as the Closest Human Relative Biology Essay
7 pages (1831 words) , Download 2 , 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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Writing a protocol for genomic DNA extraction and PCR Biology Lab Report
4 pages (1000 words) , Download 3 , Lab Report
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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The Retina: Principles of Structure and Function Biology Case Study
6 pages (1804 words) , Download 2 , Case Study
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The basic parts of the eye, particularly, the iris, lens, pupil and cornea, function to manipulate and focus the light on the retina, which houses the photoreceptor cells (Vander, et. Al, 2001). The cornea is located at the front of the eye and functions by getting light into the eye, acting as a fixed lens; the iris changes the size to regulate the amount of light that enters the pupil.
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The Mechanism of Infection of the Hantavirus Biology Essay
2 pages (876 words) , Download 2 , Essay
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The M RNA encodes a polyprotein that eventually yields glycoproteins G1 and G2. The L RNA codes for the L protein (“Virology,” CDC, 2011). It is the interaction of these three types of proteins that eventually cause either hemorrhagic fever with renal syndrome, or HFRS, and the hantavirus pulmonary syndrome, or HPS.  
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Statement of purpose Biology Admission/Application Essay
2 pages (500 words) , Download 4 , Admission/Application Essay
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Though I admit it has not been an easy road to get from that little boy with dreams to where I am at present, I have to say that the hard work and efforts that I put into
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The Circadian Photoreceptor Biology Article
1 pages (326 words) , Download 2 , Article
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However, it is uncertain whether Melonopsin works like a photopigment or rather as a photo isomerase. Investigations were conducted to illustrate that Melonopsin functions as a photo isomerase most probably in the mouse retinal pigment epithelium (RPE). 
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Plant Gene Expression Biology Article
1 pages (285 words) , Download 2 , Article
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It is seen that peripheral tissues of plants and animals also seem to have circadian rhythms. However, the central regulator of these circadian clocks in the intact organism is unknown. While it is known that peripheral circadian clocks exist, it is not known whether these clocks are mutually coupled or whether they are centrally regulated.
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