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University Degree: Applied Biology

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  • Marked by Teachers essays 2
  1. Lab report: food dehydration. This experiment focuses on the follow four questions: 1, to calculate the moisture contents on the dry basis of carrot and potato samples; 2, to assess the possible influence of pre-dehydration such as blanching on the qua

    Whether the pretreat process will influence the quality of final product should be carefully assessed. Besides, dehydrated food requires rehydration before cooking and eating and whether the rehydrated food can maintain the same consistency as the original fresh food should also be considered. 2. Objectives This experiment focuses on the follow four questions: 1, to calculate the moisture contents on the dry basis of carrot and potato samples; 2, to assess the possible influence of pre-dehydration such as blanching on the quality of final products; 3, to investigate why rehydrated foods cannot reconstitute to the same consistency as the original fresh food; 4, to study to association between AW and food preservation.

    • Word count: 3105
  2. Biology Notes

    The repetition of the word "All" indicates that everyone suffered and the onomatopoeia of "hoots" and "dropped" allow the reader to hear the guns, even though the soldiers do not. The tone of the poem then changes in the 2nd stanza. The soldiers, earlier seen as "old hags", are suddenly boys again struggling to get their gas masks on. Owen combines the two ideas in contrast to show us how youth is suddenly aged by the war. He uses descriptive verbs such as "stumbling", "yelling", "fumbling" and "drowning" to enable the reader to experience the actions and sounds of the war first-hand which further help to demystify its glory.

    • Word count: 3467
  3. Characterize of organic macromolecules, which are carbohydrates, protein, and lipid, that present food.

    The tertiary structure refers to the folded and coiled protein structure became a globular that has 3D conformation. The quaternary structure refers to the protein structure that form from two or more tertiary subunit, became a macromolecule. Lipid also known as triacylglycerol, is a macromolecular form by three fatty acid and one glycerol that link by ester linkage, because of its structure is became a heterogeneous group, which soluble in non-polar solvent, and insoluble in polar solvent. There are two types of fatty acid, that is saturated fatty acid, and unsaturated fatty acid.

    • Word count: 3868
  4. Changes in the GRK2 Expressions during Heart Failure

    human HF, chronic activation of the sympathetic nervous system has adverse implications and can accelerate cardiac pathology.9,11 Chronic HF can be characterized by decreased responsiveness of ?AR to their agonists.17 This desensitization is a due to the decreased number of ?ARs and impaired receptor function, i.e. receptor uncoupling.18,19 These outcomes are partially related to the enhanced activity of GRK2.1 Therefore, constant stimulation of ?ARs has been linked to their downregulation, which contributes substantially to heart failure via a molecular abnormal upregulation of GRK2.8,20,21 Under physiological conditions, SNS regulation and function occurs via ?2AR.

    • Word count: 6967

    However, while containment through preventive strategies and modern day technology in regard to new treatments may be a beacon of possible success and solution, the reality remains evident that there are countries in the developing world, from Eastern Europe to Asia and North Africa, where the disease continues to spread. In other regions, like Sub Saharan Africa, where the disease continues to spread exponentially, the predictions for the future of the population are bleaker than ever. Particularly, in South Africa, HIV prevalence in 15-49 year olds has risen from less than 1% to about 20% in little more than a

    • Word count: 5705
  6. Biotechnology companies within the UK.

    Enterprise and Information Society Commissioner Erkki Liikanen said: "Practically the entire European biotechnology industry is facing difficulties due to the collapse in investor confidence in knowledge-based industries. Many small biotechnology enterprises, working on medical, industrial, agricultural and environmental applications, are unable to get the funding they need to turn their research findings into a commercial reality. If a large number of such enterprises were to fail, it would seriously undermine knowledge that is critical to the long-term competitiveness of major European industries.

    • Word count: 3797
  7. Bi technology and food security: The clue for a new green revolution?

    Finally, the long term environmental and health risks associated to some of the GM products is another point to take into account. The case study I have chosen for my paper is the case of India, a developing country whose main concern is food security, where a big large percentage of the world underfed population is concentrated. Even when biotechnology is in its earliest phases, big companies' influence is working to, again, not address the main objective of India, which is alleviation of hunger and food security.

    • Word count: 5577
  8. The control of information in Science - A One World Essay on Biotechnology.

    Biotechnology is controlled in several ways. Although a search on a google website with the words "molecular biotechnology" will produce 130,000 sites, many of which give detailed drawings and technical discussions about how these weapons are created (Marburger, www.ostp.gov) a certain amount of technical skill and resources would be necessary in order to produce actual weapons. Further, specific details within these discussions are withheld. Therefore, it is impossible for ordinary citizens (and furthermore, illegal) to produce such arms; however, completely different circumstances are in place for governments of rich and powerful nations, which in most cases have both the supplies and ability to produce BWs (biological weapons).

    • Word count: 3564
  9. Food Science -Experiments to Determine the Properties and Uses of Enzymes in Food Preperation.

    At its optimum temperature, enzymatic activity is greatest, and denature does not occur (Bennion and Scheule, 2010). Cold temperatures reduce the rate of enzyme activity and thereby slow, but never completely inhibit enzymatic browning (Brown, 2010). The rate of an enzymatic reaction increases with increasing substrate up to a certain point and then remains constant. The rate of an enzymatic reaction also increases with increasing amounts of enzyme. Enzyme activity in foods may thus be at least partially determined by controlling the conditions under which the food is handled or held (Bennion and Scheule, 2010). Temperature is known to markedly influence enzyme function and cell membrane permeability.

    • Word count: 7242
  10. Optimization of DNA Extraction from Medically and Environmentally important Fungi for Polymerase Chain Reaction

    The fungi (singular, fungus) include several thousand species of nonphotosynthetic eukaryotic, spore bearing organisms that obtain simple organic compounds by absorption. The organisms have no chlorophyll and reproduce by both sexual and asexual means. The sexual lifecycle of fungi is different from all other eukaryotic in the zygote is the only diploid cell. When two mating types fuse, the two nuclei do not fuse but coexist until the right condition are present. Fusion presents in the diploid zygote, which immediately undergoes meiosis to return to the haploid.

    • Word count: 3984

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