Free Biology Essay Examples and Topics | Page 38

How Physical activity affect the heart rate Biology Assignment

4 pages (1000 words) , Download 3 , Assignment

Thus, the muscle will need glucose and oxygen to produce energy that is much needed, and they are transported by blood (Moser and Riegel, 2008). Due to the increased

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Lactase Enzyme Activity Biology Lab Report

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According to the author of the report, enzymes are capable of regulating the rate at which chemical reactions occur without being altered in the process. To be precise, enzymes achieve this function by lowering the activation energy necessary for the reaction to occur in cells.

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5Sec Rule Exp Report Biology Essay

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The experiment was done in five seconds intervals and them measurements were done on the samples to ascertain the level of bacteria

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BL21 (DE3) RIL competent cells to express tau protein Biology Article

1 pages (250 words) , Download 3 , Article

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e argU, ileY, and leuW tRNA genes that encode tRNAs which identify the arginine codons AGA, encompassed in isoleucine codon AUA, as well as the leucine codon CUA, in that order. The RIL strains possess accessible the tRNAs which frequently restrict translation of the proteins

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Review of the movie Outbreak 1995 Biology Movie Review

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The primary settings of the film comprise government disease control centers, CDC and the USAMRIID, as well as the fictional-small town of Cedar Creek. Outbreak demonstrates the extent the civilian and military agencies can go

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The Study of Anatomy Biology Essay

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The thoracic cavity increases in its volume the lungs get room for expansion, creating a partial vacuum in the lungs. Air from the outside environment, which is at a higher pressure, then flows into the lungs. Air moves inwardly as long as the alveoli pressure is lower and soon stops when the pressure stabilizes.

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The Use of DNA as a Medicine Biology Essay

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These are bodily gene therapy and germ-line gene therapy. Physical gene therapy entails the transfer of genes into the somatic cell or body of an individual. The alterations and their effects fall only on the particular recipient patient. There is no transfer of such genetic modifications to the offspring and consequent generations.

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Mitochondrial Uncouplers Biology Essay

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Unfortunately, 2,4-dinitrophenol increases basal leak of these protons (H+), and as a result affect the oxidative phosphorylation process. 2. Why does

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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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Effects of Antibiotics on Plant Growth and Soil Microbial and Enzymatic Activities Biology Research Paper

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Because microbes and plants are proven to have a symbiotic relationship, antibiotics from animal wastes seeping into the soil and reaching plant roots may be expected to be phytotoxic and adversely affect the soil. According to several studies, sulfonamide concentration in animal manure ranges from 10 µg/kg to 91 mg/kg, while that of tetracyclines ranges from 29 to 46 mg/kg.

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Threatened species - Bradypus Torquatus Biology Coursework

6 pages (1500 words) , Download 2 , Coursework

It stays on high canopies, and has a commensal relationship with surrounding algae and invertebrates (Hayssen, 2009). Because its natural habitat is lost 0.35% annually,

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The Intelligence and Aging of People Biology Essay

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Older adults demonstrated weakened use of temporal context in a recall. Besides, their temporal associations were also not so effective like those of the young adults. And, unfortunately, the results proved that “older adults perform worse than young adults in both free and serial recall” (Golomb, Peelle, Addis, & Wingfield, 2008, p. 954).

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Scientific Method Biology Essay

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Three grocery stores were selected and their respective stock of processed and fresh cereals quantities in kilograms determined. The general realization is that grocery stores stock more of processed cereals as

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The Energy Debate Biology Lab Report

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The disadvantages of using fossil fuels for electricity and fuel are high emission of Carbon Dioxide which pollutes our air and aggravates climate change. The high emission of CO2 in the atmosphere has been said to be biggest

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DNA Extraction and Purification Biology Lab Report

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After purification, the DNA isolates underwent polymerase chain reaction (PCR) using sexing primers 2250F and 2718R to replicate the sequence for sex determination. Agarose gel electrophoresis of the PCR products was compared with that of known male and female samples to identify the sex of the chicken from which the samples were obtained.

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Maltose Fermentation by Saccharomyces Cerevisiae Biology Lab Report

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The aim of this experiment was to study the fermentation of maltose by the Saccharomyces cerevisiae yeast. The results obtained indicated that lower concentrations of maltose led to the production of higher concentrations of carbon dioxide with time. Higher concentrations of maltose, however, initially caused increased production of carbon dioxide

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Environment factors affect evolutionary change Biology Essay

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These parameters have great effect on the workings of evolution. An increase in the phenotypic variation over a large period of time leads to an increase in the heritability of a population. With an increase in heritability, there is more selection and

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Follow the instruction in the details, i will attach the article that you are discussing Biology Assignment

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, the need to research more on human ancestry, on further research, it was noted that the various forms DNA forms, which include Mitochondrial DNA and Y chromosome could all be used to trace back human ancestry. It clearly stated that the mtDNA is used to trace the direct female

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Pennicillin process introduction Biology Essay

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This can be derived from Probability Distribution UPC Unit Cost graph. If it does cost you $15 to product one kilogram, the company will make a total profit of ＄250, from a total sale of 100kg of

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Biology - DB 1 Biology Assignment

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Nevertheless, despite the absence of the organelles in the prokaryotic cells, the cells are adapted to their functionality at their best. In this regard, a cell can be compared to an organizational

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Differences in the Anatomy and Physiology of Persons Who Moved From Lower Altitudes Biology Term Paper

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People living in high-altitude areas under hypoxic conditions have both advantages and disadvantages on their health. This has brought about other people developing some protective mechanisms against certain diseases that are a result of low oxygen and cold environment. The Andeans have lived in those conditions for a long time.

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The Emergency Care with a Palpable Tumor Biology Case Study

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Tumours, for instance, in the tangible prostate gland, can be considered during the digital rectal examination and might show prostate cancer. On the other hand, the bone tumour osteogenic sarcoma is the most known kind of primary bone cancer affecting children and young persons. It is the second most rampant after chondrosarcoma.

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Reproduction and Living Organisms Biology Case Study

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The outcome of a chicken farmer who allowed her best egg-laying chickens but not the poor producers to reproduce was is an example of artificial selection. This is because he modified the process of natural selection in the chickens by only choosing the best ones. This led to an increase in egg production over the generations.

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Histology of the skin Biology Term Paper

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This paper will explore the histology of the skin. The skin is one of the largest organs in the body and varies in thickness. It is thickest on the soles of the feet and palm of the hand. It

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Explain how human skin color reflects adaptations to varying amounts of sunlight Biology Essay

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On the other hand, white-skinned people were seen as more superior than other skin colors. However, with the increase in knowledge and understanding that science brought to the modern world, more and more people come to

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Systematics and Reconstructing Phylogeny Biology Essay

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Systematics is the scientific study of how organisms are diverse along with their evolutionary relationships and origin. After scientific studying of organisms is done, taxonomy is used to classify, name and describe organisms.

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Human Population Growth and the Environment Biology Essay

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It is estimated historically that humans being existence began two million years ago. Since then, there has been an increase in population size into billions of people past 200 years. Ever since the

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Coordination and Control Biology Essay

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The somatic system is responsible for conducting sensory and motor information towards and away from the CNS. It consists of nerves that connect to skeletal muscles, sensory organs, and

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Preserving Life for Biomes Biology Essay

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Re-wilding is done so that biodiversity survives and can expand to make produce more environmentally healthy habitats. If life a healthy habitat and ecosystem could be developed, the re-growth of natural environments for wildlife can help make a cleaner and healthier world to live in as long as human activities that negate biodiversity are lessened as well.

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Computational Phylogenetic Biology Essay

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Keep all program parameters set to default except for the parameter you will need to change to run “UPGMA” instead of “Neighbor-joining”. Copy/Paste

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Qatar's CO2 Emissions Biology Research Paper

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Its per capita CO2 emissions are the highest in the world and are three times that of the US (Pearce). Although its emissions have multiplied four fold since 1990, the country is not penalized for it, as it is classified as a developing country, thereby escaping the need

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Preferential Groups for the Types of Measles Vaccine Biology Essay

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This vaccine contains the killed virus, and thus no risk of viral pathogenicity: Immunocompromised individuals; Individuals suffering from hematological disorders (Leukemia). As a general rule, every person should be immunized as is necessary and applicable. Some individuals cannot be immunized due to physical or physiological conditions.

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Drosophila Biology Research Paper

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The drosophila qualifies to be the best for trialing because they have only four chromosomal pairs. This makes the studies easy for the biological researchers.

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Applied Biology personal statement Biology Personal Statement

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The common organisms used in the field of applied biology are the microorganisms such as bacteria and yeast (Roberts et al., 2000). Their chemical compositions and metabolic pathways are studied to give an instinct of how such

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Communication in the 60s and 70s Biology Essay

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We didn’t have to call the operator anymore and could call directly. After some time, we got a push phone with buttons on it. This was in the 70s. Then there was the telegram. This was used mainly by offices in the 70s to send a message to someone who did not have a telephone. The letter was received the same day, and it was relatively cheap.

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Monkey Behavior in Conflict Resolution Biology Lab Report

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The Macaca fascicular also influenced my family's perception of monkeys and wild animals. Before the vacation, my family had not interacted with monkeys before, as we used to fear them. When we toured the rainforest, we found out that the monkeys were friendly and even kept as pets by the locals.

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Cell Culture Protocol Biology Essay

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The culture permits the sole role of fibroblasts to be studied without the influence of other cells on them (Jenkins et al., 2007). The limitation of this cell line is that they have not been studied much before (Jenkins et al., 2007), so their response to different stimuli has not yet been fully determined (Jenkins et al., 2007).

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Comparing Individual and Social Financial Motivations in Energy Conservation Biology Assignment

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Project’s researchers also wanted to establish the relationship between energy conservation and the social class of the respondent. Before embarking on the research project, the researchers had the questions of response towards financial incentive by different

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Analyze the case and answer the questions Biology Case Study

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The patient must show lymphocyte count over 4,000 per microliter. The next form of investigation is doing a bone marrow biopsy which will prove beyond reasonable doubt that this is ALL.

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Methods for Effect of Temperature on Enzyme Activity Biology Lab Report

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Generally, enzymes are protein-based molecules that facilitate biochemical reactions. This paper investigates the factors affecting the catalase enzyme activity to conclude that temperature, pH, substrate concentration, and the presence of enzyme inhibitors influence the action of the catalase enzyme.

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Paleontology and molecular biology Biology Essay

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While it is true that molecular data or DNA data results to documented sequence of various events in the evolutionary development of specific specie, it cannot achieve any success in deciphering the evolution of species that lived hundreds or millions of years ago

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Analyzing Brain Area Role Learning Identified Biology Article

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Researchers have highlighted the role of one area of the brain termed the orbitofrontal cortex, which according to the article “is responsible for decisions made on the spur of the moment, not on experiences or habits”. Researchers have emphasized the fact that previously orbitofrontal cortex was considered responsible for both types of reactions.

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Weight Management: Overweight, Obesity, and Underweight Biology Research Paper

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Establishing healthy eating behaviors and advice that will keep an individual fuller is a beneficial tool in weight management (Toll 1125). By individuals understanding what their body requires, is vital to weight management and regulate overeating and under eating of food. Weight management does not involve fad nutrition that stimulates quick, temporary weight loss or weight gain.

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Charlotte's Webb marijuana Biology Essay

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This bloodstream is the one that carries the chemical to the brain and to some several organs in the whole body. When ingestion is in food or drink it is absorbed more tardily. "Charlottes Webb" marijuana is proven to contain some chemicals that may show signs of

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DETERMINATION OF THE GLYCAEMIC INDEX OF NOVEL FOODS Biology Essay

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Studies have shown that the level of postprandial plasma glucose content determines diabetic outcomes. During the early stages of diabetes type 2, insulin release is compromised resulting in the development of hyperglycemia

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ENaC and Hypertension Biology Essay

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Hypertension is one of the primary risks for a number of conditions that include stroke, heart attack, and kidney failure. One of the special prevalence of hypertension experienced in both males and females is an increase in blood pressure with the advancement of age.

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Isolation and Investigation of Catalase Biology Lab Report

4 pages (1000 words) , Download 3 , Lab Report

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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Dilemma of Genetically Modified Foods Biology Essay

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Genetically modified foods are often the subject of critical media attention, fueled by public skepticism about any positives that can come about by introducing these products in the marketplace. Despite the added productivity of farms and quality of the food they produce, the public has voiced concern about the industry’s movement.

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Nature and Wild Life Biology Studies Biology Essay

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I grew up on a farm where I was free to learn about nature and wildlife as Mother Nature intended. Free to roam the grassy farmland and hold the minutest creatures in the palm of my hand. Each day that I spent outdoors was a learning experience for me. The lessons that I learned about wildlife were never taught to me in school science classes.

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Discussion pages addition Biology Research Paper

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al studies as expression of an intended effort for adapting or adjusting to the various internal and external environmental conditions, also described as an organism’s response to a stimulus. In the same context it is also described as inclusion of everything that animals do

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Biology Essays