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Pick up a topic from my PDF Biology Essay

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It includes members exhibiting variations in body forms, for example, some are unicellular while others are multicellular. Protists have chloroplasts and can manufacture food through the process of photosynthesis. All protists have mitochondria and can carry out respiration (breakdown of glucose to yield energy).

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Macroevolution and Gene Expression Biology Essay

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Generally, macroevolution focuses mainly on the changes which occur above the levels of species (Levinton, 67). In contrast with microevolution, it refers to the evolutionary changes within a species population. The process of specification fall within the purview depending on the forces thought to drive it.

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The Definition of Photosynthesis Biology Essay

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The following articles analyze and demonstrate current research on the topic of ‘photosynthesis’. Each is concerned with scientific research and measurable analysis of the photosynthetic processes. The test methods of certain scientific questions and studies offer unique theoretical insights and interpretations of scientific methodologies.

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Human Sexuality and Natural Selection Biology Term Paper

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It is, therefore necessary that one has an insight into the theory before getting into details of natural selection. This theory has its origin with Charles Darwin who went further to come up with an immense body of data in support of the theory. Before him, most scholars and scientists believed that the existence and adaptation of each organism were under the influence of the creator.

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Proteins as Essential Nutrients Biology Lab Report

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Proteins are essential nutrients and are therefore significant to the body, a factor that identifies the need to understand their presence in substances for nutritional, and other, purposes. An understanding of protein levels in the body is also important in determining changes from equilibrium fluid compositions.

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Research on new discovery in biology Biology Essay

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They were able to isolate the enzyme known as aldo-keto reductase, or AKR, or otherwise known as methylecgonone reductase, or MecgoR (How Plants Make Cocaine, 2012). Aside from merely trying to find out the mechanism behind the natural synthesis of cocaine by the coca plant itself, another purpose of the research is that if the details of the natural synthesis of cocaine are known, then it is possible that only the beneficial properties of cocaine can be retained while the harmful ones are eliminated.

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Implications of DNA Fingerprinting Biology Essay

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DNA as we all know is the basic building structure of every living thing present on earth. It has been scientifically proved that it is the DNA that gives us our character, both phenotypic and genotypic. If there is some sort of problem i.e. mutation in the DNA, it would lead to altered characters or even lead to abnormalities (Burke 1991).

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Dinosaurs (In Science) Biology Research Paper

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The term "Dinosaur Fossils" is made up by combining two Greek words: Deinos, meaning "terrible" and Sauros, meaning "lizard;" with the Latin word Fossilis, meaning "dug up." This means that the term “dinosaur fossil” literally means the "great lizard dug up." It was first used by British anatomist Sir Richard Owen in 1841( Dinosaur Fossils - Age Old Debate, 2012) These creatures evolved into a very varied range of sizes and shapes, from the enormous slow moving, plant-eating sauropods, to the quicker tyrannosaurs, whose teeth show that they were meat eaters.

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Smooth, Skeletal and Cardiac Muscles Biology Assignment

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The sliding filament theory can be explained as a multi-step process. When the muscle is at rest, ATP binds to the myosin sidearm and takes it to a higher energy state. At this point, all the calcium is in the terminal cistern and not present in the sarcoplasmic reticulum. Therefore, no further process takes place.

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Essential Biology Issues Biology Assignment

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Chlorophyll appears green as it reflects green light that reaches the eyes and absorbs red and blue light. The structure of chlorophyll molecule contains Mg++ ions. The overall reaction of photosynthesis is 6H2O + 6CO2 →C6H12O6 + 6O2. The reaction onsets as soon as the light is absorbed by the chlorophyll molecule.

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Life as a function of biological definitions Biology Essay

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However, oftentimes the best way to define something that is infinitely complex is to draw a very broad definition that focuses on the key attributes and elements that are displayed while also drawing on the key attributes and elements that are noticeably missing.

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Cellular Respiration and Fermentation Biology Essay

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The materials required during the study include four 100 ml beakers labeled as 1-4, a 200 ml beaker, deionized water; 5% glucose, fructose and sucrose solutions. Others materials included a sugar solution, yeast, a 300 Celsius water bath and four fermentation tubes, labeled as 1-4.The experiment involved using different sugar compounds: glucose, sucrose and fructose.

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Answers for questions Biology Assignment

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Mitosis happens to be the simplest way of cell division, and this process takes a number of stages: a) The interphase stage also referred to as interkinesis whereby the cell does not divide. Here, interphases happen to be extremely active since the cells undertake all the functions required for life, while at the same time, synthesizing deoxyribonucleic acid (DNA) so that the new cells created by the miotic phase will have a complete replica of the original thereby having everything required.

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Developmental and Degenerative Methods of Age Determination in Human Skeletal Remains Biology Essay

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On the basis of skeletal remains with the application of both developmental and degenerative methods, it is possible to determine the sex and age of the population. These methods evoke numerous controversies among researchers and scientists in this field. Nevertheless, it is relevant to choose effective methods and assess their applicability, reliability, and range.

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Screening a genome wide deletion library for mutants sensitive to gemcitabine Biology Essay

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The genes involved in DNA repair are a myriad (Wei & Chen, 2006). The mode of operation of the genes is to excise lesions or mitigate possible errors that might arise in the course of the repair. DNA repairs include Base excision together with mismatch excision.

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Carcinogenesis and Cancer Treatment Resistance Biology Assignment

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It is known that DNA is damaged and then repaired constantly by agents both inside and outside the cell. Some of those agents, among many other agents inducing mutations, are chemicals from the environment, coming either as pollutants from human industry and naturally from foods. As a result, DNA is often damaged and has to be repaired by the pathways of repair of DNA polymerase.

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Human Biological Systems, Gas Exchange & Transport Biology Assignment

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(Speck et al, 1993, p.39, 43). Each of them contains two respiratory centers. There are total four respiratory centers in the brainstem; Inspiratory center, Expiratory center, Pneumotaxic center and Apneustic center. Cerebral cortex provides behavioral control, whereas, brainstem provides an autonomic control for respiration.

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Environmental problems report Biology Essay

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Tropical deforestation now accounts for almost 15% of the world’s global warming and is a leading cause of increasing the overall temperature of earth atmosphere. A tropical rainforest is a complete eco-system which occurs at the north and south of the equator.

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Principles and Practice of Malaria Biology Research Paper

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The malarial parasite is transmitted via the bite of an infected female Anopheles mosquito. Once infection occurs, the sporozoite parasites are transported in the victim’s bloodstream to the liver where they mature into merozoites, which re-enter the bloodstream and infect the red blood cells (Shah, 2010). After multiplying in the cells, the parasites break out after 48 to 72 hours.

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Prokaryotuc and eukarytotic cell & endocrine and exocine glands Biology Essay

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Prokaryotic cells are simple in terms of their structures while eukaryotic cells are quite complicated. Eukaryotes have large number of membranous organelles while prokaryotes have less organelles and only one plasma membrane. (Campbell and Farrell 15). Prokaryotic cells mostly have cell walls while fewer eukaryotic cells have cell walls comparatively.

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Kangaroo as an Iconic Organism to Australia Biology Essay

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Kangaroos belong to the superfamily Macropodoidea meaning “great -footed” which includes two families, Macropodoidea and Potoroidea. The Potoroo, Bettong, and rat-kangaroo are in the Potoroidea family whereas the Macropodoidea family includes wallabies, wallaroos, pademelons, and tree kangaroos. Potoroids differ from Macropoids in a number of cranial characters.

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Organisms that are considered to be iconic to a particular region. (For this paper: Koala to australia) Biology Essay

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As the Australian Bureau of Statistics (2010) points out, “many aspects of Australia’s natural environment, such as the desert, the Great Barrier Reef, and distinctive native species such as the koala, kangaroos and eucalypts are central to Australians’ national identities.” Regarded to possess the oldest in geology and the most biologically distinctive in the world, Australia is known today to be mainly represented by its iconic species, the koala.

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Plant Form and Function, Plant Reproduction and Development Biology Essay

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Plants such as peace lilies, devil’s ivy, gerbera daisies, Japanese aralia and the snake plant are among the 15 species of plants which could filter air pollutants, according to the Environmental Protection Agency.

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Is Drug Addiction a Disease of the Brain Biology Research Paper

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Although it Moreover, drugs directly alter neurons and the synapses that they carry out, and drugs do this either through imitation of the natural chemical messengers of the brain and through the overstimulation of the brain’s “reward circuit” (“Drug Facts,” 2011).

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Environment, Resources, and Competition Report Biology Essay

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The average temperature levels for the eco-system under consideration vacillate greatly between warm and cold seasons. In the course of the former, an average annual temperature usually amounts to 28°C, while during the cold season average temperature are close to 6°C.

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The Human Carrying Capacity of Earth Biology Essay

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Generally speaking, the carrying capacity of the earth is “the size at which a theoretical population would stabilize,” or “the theoretical equilibrium population size at which a particular population in a particular environment will stabilize when its supply of resources remains constant” (Muir 1).

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Analysis of the Sodium Bicarbonate Solution Biology Essay

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These ions cause the litmus to turn red. The greater the concentration of H+ ions, the stronger is the acid signified by the pH scale: pH of 1 being the most acidic and 7 being neutral. For bases, a number of generated OH- is greater than H+. These, on reaction with water, gain a hydrogen ion leaving behind an OH- ion.

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Follow PDF insturtion Biology Essay

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Species Diversity This specifies the variety in various types of organisms that inhabit in a specific area. Genetic Diversity In a single species, several combinations of different genes and its patterns are found. This largely speaks about genetic diversity.

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Ecological property the Tropical Rainforest Heritage of Sumatra. A study on the flora and fauna Biology Essay

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It is situated in the western portion of Sumatra. All of these sites are distinct from each other in terms of the ecological properties and the typology of the ecosystem that they support. The northern province of Nanggroe Aceh Darussalam has the Gunung Leuser National Park, the south-central portion of Sumatra has the Kerinci Sablat Park and the far southern part has the presence of Bukit Barisan Selatan National Park (Marshall, Jones & Wrangham, 2010).

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Severe Acute Respiratory Syndrome Biology Essay

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The severe acute respiratory syndrome is a viral disease caused by a new strain of coronavirus which is related to viruses that cause cold. The spread of the respiratory was accelerated by international air travel initially spreading to Hong Kong in 2003 and further throughout South East Asia (Lee et al., 2003).

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Photosynthesis,Chromosomes,DNA Structure Biology Essay

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While animal cells contain cell membrane, cytoplasm, nucleus and chromosomes, cells of plants contain a cell wall made of cellulose, chloroplast and vacuole (The Cell, n.d.). The present study focuses on a literature review of general biology, particularly considering the process of photosynthesis, the functions of chromosomes, and the structure of DNA and their associations with each other.

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Animals Grieving/Mourning their dead Biology Research Paper

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The mourning experience leads to both emotional and physical trauma since the bereaved parties intend to adapt to live upheaval brought by the loss of live. Psychologists recognize grieving as a long suffering process which results from the death of an individual in human society as well as in animal one (Anderson and Anderson 231).

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Leishmaniasis Disease Emergence and Re-emergence Analysis Biology Essay

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Leishmaniasis is a multifaceted mammalian disorder attributable to parasitic protozoa relegated as Leishmania species (Ready, 2010). In humans, diverse varieties of the parasite are linked to different forms of diseases. World Health Organization reports that the global effects of Leishmaniasis have been miscalculated for many years (World Health Organization, 2009).

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Biology Research Paper on Brain Tumors Biology Research Paper

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The NCPC defines brain tumor as “any intracranial tumor created by abnormal and uncontrolled cell division, normally either in the brain itself (neurons, glial cells (astrocytes, oligodendrocytes, ependymal cells), lymphatic tissue, blood vessels), in the cranial nerves (myelin-producing Schwann cells), in the brain envelopes (meninges), skull, pituitary and pineal gland, or spread from cancers primarily located in other organs (metastatic tumors)” (NSPC, 2012).

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Biology Research Paper on Galactosemia Biology Research Paper

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These high galactose levels result from the lack of the liver enzyme necessary for the metabolism of this sugar. This paper aims at discussing a disease known as galactosemia. The paper will discuss the protein enzyme that is malfunctioning. In addition, the paper will include how common the disease is, the symptoms of the disease, and the therapy used in the treatment of the disease.

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Effects of Smoking on the Human Body Biology Essay

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Due to the presence of these chemicals among others, tobacco is rather harmful to the body, causing several diseases to the respiratory system and other organ systems (National Cancer Institute, 2008). Tar and carbon monoxide are particularly harmful to the respiratory system due to the latter’s effects on red blood cells.

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Antibiotics may make Fighting Flu Harder Biology Essay

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There are a number of background considerations within this area of investigation. One of the most prominent considerations relates to the nature of antibiotics. In these regards, antibiotics are medicinal drugs that target and kill bacteria in the human body.

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Bioremediation of toxic heavy metals : does it work in practice Biology Essay

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On the other hand, contamination of water and soil should be cleaned. A special attention should be paid to heavy metals contamination of water and soil. Further on different methods and strategies of heavy metals bioremediation are considered. On the basis of modern researches and studies it is clear that humans are appealing for the natural resources to clean contamination of water and soil.

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Scientific Method in Primary Research Biology Admission/Application Essay

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Null hypothesis is that of no difference while objective hypothesis is that of difference (Mackey & Gass, 2005). In this case, the hypothesis in this study will be: There is a significant drop of sugar levels in blood of the mice treated with black coffee compared with those treated with water.

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Aquatic and Terrestrial Ecosystems Biology Essay

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Approximately 71% of the surface of the earth is composed of the Marine ecosystems and it contains almost 97% of the total amount of water available in the planet. 32% of the net primary production of the world is generated from here. It is different from the freshwater ecosystems as it contains several dissolved components like different types of salt.

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Conversion of the DNA Information Biology Essay

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Understanding the role played by amino acids in protein structure and function requires a thorough understanding of the characteristics of most important amino acids, how they form proteins, hence their role in the structure and function of proteins. Knowledge of the transformation of simple polypeptides into functional proteins is also important.

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Human Biological Systems, Co-ordination & Control Biology Essay

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it in its place Ciliary muscles Smooth muscle present in the ciliary body. helps in changing the shape of shape of lens while accommodation Aqueous Humour A fibrous, protective and opaque outer structure. Provides surface for eye muscles to get attached Vitreous Humour A hole within the Iris Allows the passage of light rays through the eye in a controlled amount Optic Nerve bundle of sensory fibers joined together Conveys the visual stimuli to the CNS Retina jelly like transparent structure located behind the lens Maintains the shape of eyeball’s posterior chamber Choroid Vascular layer of eye Supplies nutrition to various eye structures 1.

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Is there microbial life in Mars Biology Research Paper

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It was in 1976 that for the first time two space probes, Vikings 1 and 2 were sent by NASA to Mars to investigate that whether life exists on Mars (Than). The space probes investigated through a multiplicity of experiments ad apparatus the likelihood of life on the Red Planet.

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Mathicillin Resistant Staphylococcus Aureus Biology Research Paper

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S. aureus has a very vast and major disease spectrum which includes skin and soft tissue infections, osteomyelitis, sepsis, muscle and visceral abscesses, pleural empyema, bloodstream infections, endocarditis and toxin-mediated syndromes such as scalded-skin syndrome and toxic shock syndrome and food poisoning (Crossley et al 272).

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How our Understanding of Genetics Has Changed Over Time Biology Research Paper

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Further applications of genetics gave way to the human genome project, mapping the human genes responsible for traits and diseases. The event with one of the most significance in the field of genetics is the Chernobyl Accident in Belarus in 1986, and the effect of ionizing radiation to genetic material in all organisms as a strong mutagenic agent was established as an important finding in hereditary studies.

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How photosynthesis and respiration are linked And how do they to provide you with energy from the food you eat Biology Essay

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How photosynthesis and respiration are linked? And how do they to provide you with energy from the food you eat? Plants use raw inorganic materials, as water and carbon dioxide and transform them into organic compounds, as starch and sugar, using sunlight as energy, in a process known as photosynthesis .

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Assignment on Lung Cancer Biology Assignment

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with a suitable environment inside the lungs. Presence of either of the two copies of variants was found to increase the risk of lung cancer by 28 per cent in the smokers as compared to the non-smokers having the same copy whereas presence of both copies of variants was found to cause a net increase of 81 per cent in the risk of lung disease for the smokers (Park).

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What Effect Does ADX Have on Atherosclerosis Biology Article

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The brain triggers the adrenal glands to release hormones leading to reduced stress levels in the body. The image below is an illustration of the pathway from stress to the production of glucocorticoids, by the adrenal glands, lowering stress levels. The adrenal cortex produces epinephrine and norepiephrine (cortisols) and the adrenal medulla produces adrenaline and noradrenalin.

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Human Biological Systems, Organisation of the Body Biology Assignment

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No real roots Sea weed, green algae Bryophytes These are small non-vascular plants which lack a specialized conducting system. They do not produce seeds and reproduce by means of haploid spores. For active growth and reproduction, these plants require a moist environment.

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Aquatic and Terrestrial ecosystems Biology Research Paper

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River systems are critical to most marine, and coastal environments, organisms and processes. Their fresh waters allow humans to infiltrate and dwell in the world’s most inhabitable regions such as deserts. Rivers are the pathways that exemplify ecological landscapes.

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