Biology Essays

Latest Biology Essays

• Contributions of Tumour Heterogeneity to MetastasisPublished: Mon, 23 Sep 2019Extract: Describe how tumour heterogeneity is thought to contribute to metastasis and how this may be overcome for the treatment of cancer   Introduction    The evolution of cancer has been described as the repetitive process of genetic diversification, clonal expansion and the outgrowth of clones which have been selected due to phenotypic advantage within tumour-microenvironment […]
• Biology of the Stress ResponsePublished: Mon, 23 Sep 2019Extract: ‘Making sense of Simon and Anthea’s situation through understanding the biology of the stress response’ Understanding the biological basis of stress helps to appreciate the nature of it, positive or negative, the brain reacts in the same way; how we choose to feel about a situation deemed stressful, depends on the outcome. Looking at Simon […]
• Evolution and Genomics of the Human BrainPublished: Mon, 23 Sep 2019Extract: INTRODUCTION  The human species is known for having larger brains in comparison to other animals. Dating back roughly 2.4 million years ago, the human brain has tripled in size beginning with the species, Homo habilis (Lieberman). However, the aspects used in determining the overall changes in the brain can be deemed difficult. The lack of […]
• Monoclonal Antibodies as Therapeutic AgentsPublished: Mon, 23 Sep 2019Extract: Development and optimization of monoclonal antibodies as therapeutic agents Abstract: As medicinal treatments move to a more personalized approach, new developments must be made in order to assist in treating each patient on an individual basis. Within the past thirty years monoclonal antibodies (mAbs) have transformed from being scientific tools, to powerful therapeutics to help […]
• Demonstrating lacZ Gene Regulation and Expression in E.Coli Under Various ConditionsPublished: Mon, 23 Sep 2019Extract: Demonstrating lacZ Gene Regulation and Expression in E.Coli Under Various Conditions Introduction Numerous studies have been completed on gene expression of β-Galactosidase by utilizing sensitive lacZassays. Researchers were able in one study to detect which genes showed progressive hormonally regulated tumor promoter function in mammalian cells (Hall et al,1983). By doing so, this has further […]
• Effect of Sucrose Concentration on Percent Change of Russet Gold PotatoesPublished: Mon, 23 Sep 2019Extract: The effect of sucrose concentration on percent change of russet gold potatoes. Introduction:  Homeostasis is a maintained and stabled movement of materials through the membrane of the cell; it is traveled through the cell’s cytoplasm to reach equilibrium (College Board, 2012). To add on, diffusion, which is known as the most common configuration of movement, […]
• Investigating Putative Antibiotic Resistance Genes in Mycobacterium AbscessusPublished: Mon, 23 Sep 2019Extract: Investigating putative antibiotic resistance genes in Mycobacterium abscessus Mycobacterium abscessus can be defined as a group of; rapidly, growing, multi-drug resistant, non-tuberculosis mycobacterium (NTM) which are ubiquitous in soil and water. M. abscessus is capable of colonising the respiratory tract, and causes disease in certain groups of individuals, one of these groups is Caucasian females […]
• Science of Bacteria in the Human BodyPublished: Mon, 23 Sep 2019Extract: Lab Write-Up For centuries, scientists have studied the microorganism bacteria. Modern Society is still perplexed by bacteria, and we continue to study it. Bacteria were among the first life forms to appear on Earth about 4 billion years ago that fall into the two kingdoms: Archaebacteria and Eubacteria which make up the Monera family. Bacteria […]
• Genetically Modified Foods: Health, Effects on Ecosystems and Economic ViabilityPublished: Mon, 23 Sep 2019Extract: Genetically Modified Foods Walking into a supermarket, have you ever wondered what genetically modified foods (GM foods) actually are and the difference between GM foods and non-GM foods? GM foods are defined as foods produced from or using “organisms in which the genetic material has been altered in a way that does not occur naturally […]
• Experiment on the Effects of Stimulants on Heart RatePublished: Mon, 23 Sep 2019Extract: Introduction Cardiac physiology and function differ between organisms, as you can imagine the physiology is more complex within developed as opposed to that of simpler ones.  Fish, for example have simpler hears consisting of two chambers, no valves and have a low-pressure system. Adult amphibians such as frogs or salamander have a more complex hear […]
• Physiological Basis for Sodium ToxicityPublished: Mon, 23 Sep 2019Extract: Literature Review   Physiological basis for —— Sodium toxicity (how does Na+ kill the plant?) Sodium (form and [ ]) in soils Sodium movement in soils Sodium uptake by roots (mechanism and pathway) Sodium movement within plant (vascular) Sodium effects Toxicity Osmotic Competition (other nutrients) Sodium tolerance Exclusion Secretion Storage (vacuole) Genetics     Sodium […]
• Role of C5a as a Hallmark of CancerPublished: Mon, 23 Sep 2019Extract: The Emerging Role of C5a as a Hallmark of Cancer and How it is Being Used as a Potential Therapy Introduction In the complex world of complement immunity there are three primary routes that the body uses to form a membrane attack complex, each pathway differs in the way it is activated, these three pathways […]
• Salt as a Pollutant for the Inhibition of growth for Ankistrodesmus AlgaePublished: Mon, 23 Sep 2019Extract: Salt as a Pollutant for the Inhibition of growth for Ankistrodesmus Algae Introduction:  Around the world pollution has become a major issue effecting everyone. This includes the water we drink, the air we breathe and also the bodies of water we swim in! Unsafe drinking water kills more people than warfare and all other forms […]
• Impact of Human Behaviour on the Rise of SuperbugsPublished: Mon, 23 Sep 2019Extract: What type of organisms cause infection and why? Describe with some examples. Are these organisms prokaryotes or eukaryotes? Some agents that cause infections to the human body are the living organisms of bacteria, fungi, and protozoa. Virus’, although they don’t have the characteristics of living things, they too can also cause infections. These organisms cause […]
• The Biology of RetinoblastomaPublished: Mon, 23 Sep 2019Extract: The Biology of Retinoblastoma   Abstract : Retinoblastoma (RB) is one of the most common intraocular malignancy tumors that occur during childhood and infancy. There are two forms: heritable and non-heritable. The RB gene is located on chromosome 13 and it produces a protein (pRb) responsible for the regulation of the cell cycle. The theory of […]
• Circulatory System of a Rattlesnake and a HumanPublished: Mon, 23 Sep 2019Extract: Circulatory System of a Rattlesnake and a Human A comparison of the circulatory system of a Homo sapiens (human) to that of a Crotalus durissus (rattlesnake) reveals that the circulatory system of both organisms is made up of three systems that work together: the cardiovascular system, the pulmonary system and the systemic circuit. The circulatory […]
• Shell Disease Syndrome Gene ExperimentPublished: Mon, 23 Sep 2019Extract: Introduction  Shell Disease Syndrome (SDS) is a disease that affects crustaceans and results in unappealing dark spots on the shells of the infected creatures. The diseased crustaceans are unappealing and hard to sell; therefore, the aquafarming business is greatly affected. SDS can progress and eventually lead to the death of the infected by degradation of […]
• Influence of Mycorrhizal Fungi on Temperate and Tropical Plant Community ProcessesPublished: Mon, 23 Sep 2019Extract: Assessing and understanding the influence of Mycorrhizal fungi on temperate and tropical plant community processes and composition. 1.0 Introduction There are a broad range of symbiotic relationships between higher plants and fungi developed over the past 400 million years (Hibbet. 2002). Whilst some relationships are parasitic, for example Ascomycete fungi grow in the tissues of […]
• Effects of Various Liquids on Fat CompositionPublished: Mon, 23 Sep 2019Extract: The Effects of Various Liquids on Fat Composition  The body contains different types of blood cells that has particular positions in the human body. First and foremost, the blood cells are produced in the bone marrow. The portion of blood that contains cells are the red and white blood cells and platelets. The function of […]
• Generation of ATMP in Cell MetabolismPublished: Mon, 23 Sep 2019Extract: Cell Metabolism This essay will examine cell metabolism and in connection to this will be looking to the generation of ATP in metabolism, metabolic pathways and how they are regulated as well as how tricarboxylic acid cycle in generating ATP. To assist with the explanation of diagrams will be throughout. The term adenosine triphosphate (ATP) […]
• Effect of Sugar Concentration on Respiration in YeastPublished: Mon, 23 Sep 2019Extract: APPLIED SCIENCE-Biology RATE OF RESPIRATION Respiration is the set of which processes and metabolic reactions take place in cells of organisms; these metabolic reactions and processes can also be the core of producing adenosine triphosphate (ATP) rather than breaking it down. The simpler word equation can be written as: Glucose + Oxygen  Carbon Dioxide […]
• Structures and Characteristics of Microorganisms for ClassificationPublished: Mon, 23 Sep 2019Extract: Microbiology and Microbiological Techniques Classification of microorganisms (H S Pathology Private Limited 2018) Introduction This assignment will explain how the structures and characteristics of microorganisms are used to classify them. It will illustrate the structures of microorganisms observed using a light microscope and an oil immersion lens. Also will include the comparison of the characteristics […]
• To What Extent Should Dog Breed Purity Be Pursued?Published: Mon, 23 Sep 2019Extract: To what extent should dog breed purity be pursued?     Since the first domestication of the dog, their species have now come to be the most morphologically diverse in the world (Gross 2010). From their ancestor, the wolf, to the hundreds of breeds present today, humans have utilised many methods to achieve this incredible […]
• Nitrile Metabolism and the Amplification of Nitrilase Gene in Strains of Bacillus and CorynebacteriumPublished: Mon, 23 Sep 2019Extract: Nitrile Metabolism and the Amplification of Nitrilase Gene in Strains of Bacillus and Corynebacterium Isolated from Waste Leachates in Lagos, Nigeria.   Abstract The wide use of nitrile compounds in different chemical industries has significantly increased the levels of nitriles in the environment. Nitrilases play a key role in the bioremediation of hazardous nitriles from environmental wastes. Bacterial strains […]
• Zoology Animal Report on the EarthwormPublished: Mon, 23 Sep 2019Extract: Zoology Preliminary Animal Worksheet Typed, Upload to Turnitin.com. Put copy in section C of notebook.  Due before class, on the day that we start observing the assigned animal.  Common name of animal: Earthworm Phylogeny (classification and Scientific name) Kingdom: Animalia (ITIS Report) Phylum: Annelida (ITIS Report) Class: Clitellata (ITIS Report) Order: Opisthopora (ITIS Report) Family: […]