Facebook Pixel Code
x
We use cookies to create the best experience for you. Keep on browsing if you are OK with that, or find out how to manage cookies.

Biology Essay

CVD proposal
Finally, this study will lead to substantial improvements in quality of life for affected individuals and a reduction in healthcare costs and also the identification of target genes might also lead to development of novel therapeutic modalities. Nicolas Christoforou is a molecular-cell biologist and an academician at KUSTAR and will, he will avail essential tools in all aspects of molecular biology. He will also provide training and supervision to interns. Christoforou will dedicate 0.8
Pages: 9 (2250 words), Essay
Preview Essay
Cancer and biopsies
On the other hand, cells can undergo unusual enlargement in case there are damages or mutations caused to DNA. This can lead to the damaging of the genes involved in the cell division.The cell division process is enhanced by four key types of gene: the ontogenesis that tells cells when to divide, the tumor suppressor genes that controls the cell when not to divide, suicide genes that manages or handles the apoptosis. Therefore, cancer results when a cell’s gene mutations hinders the cell from
Pages: 4 (1000 words), Essay
Preview Essay
Cloning cdc2
The sixth figure is the KpnI cut pALA2 that is also a cdc2 orientation of the second plasmid. The final figure is figure seven that shows the plasmid maps. Table one in the report shows the qubit values and the student number.Cloning can be defined in many ways though all these definitions will add up to the same thing. Cloning generally refers to the process of giving rise to organisms that are alike genetically either in nature like in the asexual reproduction of certain organisms such as
Pages: 8 (2000 words), Essay
Preview Essay
Cell signalling coursework
When they are activated, the G protein exchanges GDP for GTP. As a result of this dissociation of the GTP-bound α and β/γ subunits, a number of diverse signalling cascades are triggered. Receptors attached to diverse heterotrimeric G protein subtypes can use different scaffolds to activate the small G protein/ MAPK cascade such as Tyr kinases. GPCRs may also utolize PLCβ as a mediator in the activation of PKC and CaMKII, which can either stimulate or inhibit the MAPK pathway downstream.In
Pages: 8 (2000 words), Essay
Preview Essay
Computer-aided image processing for bacterial cell enumeration
The tradition plate count technique pauses as an indirect technique and often preferred for its cheap nature. Technologies applied for quantification of microbial growth involves: ATP Bioluminescence, spiral plating, the use of membrane filtration, Direct Epi-Florescent Filter Microscopy and Membrane laser scanning, Fluorescence amongst others. Various hindrances require addressing for the techniques that count the present colonies. The techniques supply a heightened degree of correctness in
Pages: 4 (1000 words), Essay
Preview Essay
Clostridium botulinum (Microbial form and function)
The toxins are synthesised as single large polypeptides that work by affecting the cholinergic mechanism of pre-synaptic terminal of a motor neuron and cuts off transmission of acetylcholine across the neuromuscular connection, which results in neuromuscular obstruction, and subsequently causing flaccid paralysis (Sugiyama 1980).The single polypeptide chain of a Botulinum toxin has an average molecular weight of 150 kDa, and in this form, it shows a low potency (Todar 2009). When the toxin is
Pages: 10 (2500 words), Essay
Preview Essay
Clostridium Difficile
Difficile was the major cause of severe CDI cases (McCollum and Rodriguez 2012). This strain has resistance to fluoroquinolones and secretes different toxins. difficile is widely dispersed in the environment and is also part of bowel flora in about 2% normal adults (Wilcox 2003). This percentage increases with age, making the elderly more prone to CDI than the young adults. Older adults may have 10% to 20% colonization rates, depending on the length and frequency of exposure to antibiotic
Pages: 8 (2000 words), Essay
Preview Essay
Compare and contrast the biological processes underlying innate and adaptive immunity
The second category of immunity addresses the threat posed by different antigens that finds their way into the body. The immune system has a mechanism that facilitates the recognition of antigens that find their way into the body. The initial detection of a certain antigen triggers a primary that may take several days before being effected. However, an encounter with the same antigen in the future triggers a secondary response facilitated by memory. Evidently, the second response occurs within
Pages: 4 (1000 words), Essay
Preview Essay
CRITICAL APPRASISAL
However, there has been contradicting information from various science fields concerning MMPs, Extra Cellular Matrix degradation and cancer cell division. Some of the studies have associated MMPs inhibition to synthetic and natural inhibitors hence inhibition of the cell invasion. However, abnormal expressions of various forms of MMPPs have been correlated with pathological conditions in arthritis, tumor cell invasion and the general metastasis. Whenever a substance will be used to stimulate a
Pages: 6 (1500 words), Essay
Preview Essay
Cloning Brachyury from SW480 in pNEB193 plasmid
On my part, the sample obtained was 302 ng/ μL which also was in the range. This allowed all students to go on to the next experiment.4 – The next step of the experiment involved the use of the PCR to amplify the full length of Brachyury and human β – actin from the cDNA that was obtained.8% agarose gel electrophoresis, the products of the PCR were analyzed. The PCR in my group worked and had Brachyury amplified along with β = actin (figure 2). Image Lab software was utilized to analyze
Pages: 4 (1000 words), Essay
Preview Essay
Comparative genomics
Water and foods were provided under the veterinary regulations and guide lines. After three months, the rats were killed using the CO2 gas asphyxiation by skilled personnel. Muscles were quickly removed and stored under liquid nitrogen at a temperature of -80oc. The human muscle biopsy was obtained from the neuromuscular tissue bank with all the ethics approved (Bourque and Mabrouk, 2006). Similarly, the extra ocular eye muscle samples were obtained from Veneto eye bank foundation with all the
Pages: 18 (4500 words), Essay
Preview Essay
Christian Stewardship and Sustainability
Stewardship makes an individual accountable for the ecological resources. Accountability involves proper utilization of the resources for the intended purposes. It guards against the misuse of resources, hence improving ecological efficiency. Efficient utilization of such resources leads to sustainability. Consequently, the resources serve future generations in a suitable way, and promote living conditions.According to the Judeo-Christian stewardship environmental ethic, nature occupies a
Pages: 4 (1000 words), Essay
Preview Essay
Cancer Issue
Even though lung cancer is common all over the world at present, it was not so around 150 years before. Witschi pointed out that the reported lung cancer diseases in 1878 were only 1% of the total diseases in the world. However, the percentage had risen to 10% by 1918 and 14% by 1927. In other words, a sharp increase was recorded in the case of lung cancer during the early parts of the twentieth century. Earlier, lung cancer diseases were seen commonly among the men only. But later, it started
Pages: 8 (2000 words), Essay
Preview Essay
Cells and Genes
It should be noted that this membrane is not static but is fluid, Hydrophobic ends of the phopholipid subunits are embedded inside the membrane while the hydrophilic ends protrude outwards.NUCLEUS: The double membrane bound nucleus is the control centre of the cell. It commands and controls the working of the entire cell via mRNAs (messenger Ribonucleic Acids). The nucleus is further composed of sub units.Nuclear pores: the nuclear membrane is discontinuous at certain points forming an entrance
Pages: 6 (1500 words), Essay
Preview Essay
Coordination and Control
Sensory neurons transmit signals from peripheral body parts to the CNS, including such sensory information as sound and sight. The neurons undergo activation by sensory input before projecting this information to other nervous system elements (Widmaier et al, 2011: p27). They are afferent neurons, only transmitting signals towards the CNS.Relay neurons conduct information from one part of the CNS to another, forming connections between other neurons. The term relay neurons also refer to neurons
Pages: 10 (2500 words), Essay
Preview Essay
Cigarette smoking
Kasteridis & Yen (2014) postulate that cigarette smoking affect almost every organ of the human body. This is responsible for diminishing overall health resulting to premature deaths. Currently, there are millions of people affected by tobacco smoking in various countries. Smoking is the leading causative cause of cancer and diseases from cancer. It affects body organs thus resulting to cancers of the esophagus, kidney, lip, pancreas, bladder, throat, stomach, lung, larynx, mouth, and cervix;
Pages: 5 (1250 words), Essay
Preview Essay
Cell Wall Biogenesis
All the polysaccharides have their names after principal sugars for instance glucan polymer consists of glucose, xylan consists of xylose, and galactan consists of glucose. A compound name for the hemicelluloses does not mean a branched structure. Xyloglucan contain a chain of glucose residues with xylose sugars on the side chains. Glucomannan is a polymer that contains glucose and mannose.Loewus (4) says that cellulose micro fibrils are relative stiff structures that contribute to strength and
Pages: 5 (1250 words), Essay
Preview Essay
Cursorial Specialisation
Shoulder and scapula joint move freely (shoulder acts as a hinge joint reinforced by muscles). The animal’s brachium remains highly muscular and comparatively short to keep limbs mass proximal). Canines are fast because their trunks are flexible, which is possible owing to their meat diet.Equine limbs are more specialised, and they resemble “machines” (depend more on bone and ligament and less muscle and nerve). The equine shows extreme anatomical specialisation for running (Schmidt 2005,
Pages: 4 (1000 words), Essay
Preview Essay
Could Genetic Engineering Recover Extinct Species?
For instance, the mammoths that lived thousands of years ago played a very crucial role in the tundra desert by feeding on dead grass, thus paving way for fresh grass to grow to keep and maintain the tundra colder. Furthermore, their waste droppings acted as manure, thus facilitating the growth of new grass in the ecosystem. Today, the Tundra is significantly covered with moss since no more grass in growing due to the extinction of the mammoths. Additionally, the tundra is getting warmer and
Pages: 4 (1000 words), Essay
Preview Essay
Co-ordination
When the impulses reach the appropriate level they leave the cord to travel to the target organ.The peripheral system acts as a connection between the nervous system and the rest of the body. The peripheral system is divided into the nerves, the somatic nervous system and the autonomic nervous system. The nerves are made up of neurones that enable the travel of impulses from the centre where the activity in the body takes place to the CNS. The somatic nervous system allows the control of the
Pages: 8 (2000 words), Essay
Preview Essay

More Biology Essay

1 - 49 results of 49 items
WE CAN HELP TO FIND AN ESSAYDidn't find an essay?

Please type your essay title, choose your document type, enter your email and we send you essay samples