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Biology Assignment

The Issue of Changes in Names of Species
Consideration with the International Commission on Zoological Nomenclature. Drosophila melanogaster will become the type species for the genus Drosophila. If this is not approved, Drosophila melanogaster will. The Drosophila Melanogaster has historically been associated with the fruit fly, which “is a classic tool for studying inheritance patterns'
Pages: 4 (1000 words), Assignment
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The Most Important Factor Leading to Decline in Populations of Greater Prairie Chickens
The focal population may have been condemned to extinction by the demographic changes that occurred in the 1970s in the prairies of Illinois. The smaller prairie chickens populations that orbited as a satellite around the focal population of greater prairie chickens disappeared in the 1980s. That turning point drove the population into isolation.    
Pages: 4 (1000 words), Assignment
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Theory of evolution and Evidence for natural selection, Taxonomy and classification, Population dynamics and evolution, Ecosystems, Biological communities and community biomes, Photosynthesis, and Cellular respiration
Taxonomy is the scientific classification of all living species. The classification is based upon a system of rankings. The primary unit in the process of classification in the domain of all living things is the “kingdom”. There are 5 possible kingdoms and all living things belong to any one of these with the notable exception of some symbionts like lichen which belong to two kingdoms. These are as follows:The second rank in the taxonomy belongs to the Phyllum. So, the members of a certain
Pages: 7 (1750 words), Assignment
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The Properties and Functions of the Smooth, Skeletal and Cardiac Muscle
Mostly under voluntary control they also take part in a reflex arc that does not involve the higher centers and, therefore, is an involuntary process. The contractions produced by skeletal muscles are forceful and quick as compared to the smooth muscle. (Clark, 2005, p.Cardiac muscle is a specialized tissue perfectly adapted to perform its function.
Pages: 14 (3500 words), Assignment
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Theories Concerning Human Development
Jim today suffers from Post Traumatic Stress Disorder which is mainly caused due to the extreme level of anxiety or exposure to serious psychological trauma. As diagnosed, this could be the possible consequence of his mental and physical reaction to the World Trade Centre massacre in 2001.
Pages: 6 (1250 words), Assignment
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To answer question
The bacterium that has infected the man is the Salmonella typhi since the symptoms shown were more severe than those associated with salmonella paratyphi.Laboratory testing is required to confirm the clinical diagnosis. To test for the disease, blood specimens and stool samples are required. Laboratory conclusion of typhoid fever requires separation and recognizable proof of salmonella enterica serotype Typhi. After samples are gathered, they are screened independently to distinguish the
Pages: 5 (1250 words), Assignment
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The benefits and effects of steroids for asthma pateints
As explained earlier, the disease arises from obstructed respiratory tracts. This makes breathing difficult thus justifying the whizzing that comes naturally to the patients as they try to breath forcefully. The causes of the disease are varied including genetics and environmental factors. Genetically, parents pass the recessive gene to their parents. This implies that the disease is a portrayal of double recessive genes occurring to a child. In this context, the patients inherit the disease
Pages: 8 (2000 words), Assignment
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There are now numerous non-mammalian multi-cellular model hosts (e.g. C. elegans) described for use in determining host-pathogen interactions. Describe at less four models, with examples of pathogens tested, and discuss the advantages and disadvantages
Marinum which are evoked just in encased environment of granuloma and not in disengaged contaminated macrophages. This demonstrates that granuloma arrangement happens without lymphocytes.In addition, Zebrafish mutants can be utilized to investigate conglomeration of macrophages. Zebrafish jaguar mutants are transformed in Zebrafish orthologue of the quality which encodes macrophage-province invigorating element receptor. The mutant macrophages are not ready to assault embryonic tissues yet
Pages: 4 (1000 words), Assignment
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The Respiratory System
To partial pressure difference across the alveoli are the two major factors that affect the number of gas molecules that can move into and out the lungs in a given period of time. Hemoglobin present in red blood cells helps to facilitate the process of air exchange. Molecules of hemoglobin bind oxygen in the lungs where there is a high concentration of oxygen. Blood carries hemoglobin with bound oxygen to various body organs (Starr & McMillan, 2012).In the body tissues, oxygen concentration is
Pages: 5 (1250 words), Assignment
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The cardiovascular system
Due to contraction of the left atrium, blood flows from the left atrium then into the left ventricle via an opening called mitral valve. The valve then shuts once the ventricle is filled preventing the flow of blood backward. With the contraction of the ventricle, blood flows out of the heart via the aortic valve through aorta then into the body.The rhythmic contraction of the heart occurs spontaneously, even though the rate of contraction may be changed by the hormonal or nervous influences.
Pages: 6 (1500 words), Assignment
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The digestive track
The mouth and tongue roll the paste-like mixture of food and saliva into a bolus. The tongue pushes bolus into the tongue for swallowing. The movement of food substances from the mouth through esophagus and stomach to the small intestine is facilitated by contraction and relaxation of smooth muscles a process known as peristalsis (Sizer & Whitney, 2006).The esophagus pushes bolus into the stomach through peristalsis or contraction motion of the muscles. Peristalsis encompasses relaxation of
Pages: 4 (1000 words), Assignment
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