Posts by alex:
This report will cover tissue engineering using embryonic stem cells, including an example of its application to repair articular cartilage. The report will examine the techniques involved in using embryonic stem cells for tissue engineering and address ethical considerations. It will also present relevant data and explore potential future developments for this field. Tissue engineering […]
Read moreEnzymes have enormous potential in the commercial world. Since they can catalyse specific reactions at relatively low temperatures, they are more versitale and cheaper than inorganic cataylstys. Enzymes can work out a range of Ph levels and normal atmospheric pressure therefore energy saving. Enzymes are biogradable and therefore cause less environmental pollution.Enzymes are formed from […]
Read moreA ruminant is an herbivore with a multichambered stomach. The example of a ruminant that will be used is cattle. The example of the carnivore that will be used is a dog. The carnivore is a meat eating organism. The dog is a carnivore, and wild members such as wolves are predators. Refer to fig. […]
Read moreThe digestion of starch begins in the mouth, where it is mixed with saliva containing the enzyme salivary amylase, or Ptyalin. Starch, a long chain of repeating glucose subunits, is hydrolyzed first into shorter polysaccharide chains this is used as a continual mechanism to help the removal of good debris from the gingiva but has […]
Read moreStem cell research studies how these unspecialised cells are able to reproduce themselves and their ability to transform into more specialised cells. They are seen as potential cures for a wide range of diseases such as Parkinson’s and diabetes, as well as treatments to grow breast tissue for many cancer survivors [1]. There are two […]
Read moreCatalase is a red, crystalline enzyme that consists of a protein complex with haematin groups and catalyses the decomposition of hydrogen peroxide into water and oxygen: 2H2O2 –> 2H2O + O2Hydrogen peroxide is a powerful oxidising substance. It is formed inside cell organelles called the peroxisomes, during the breakdown of purines. Peroxisomes help to oxidise […]
Read moreAs stated in the headline, this will be a plan to investigate the effects of temperature on the enzyme catalase in yeast and liver. But before I go in to detail about the experiment itself, the biology behind the reaction should be discussed. Starting with what will in great part control the reaction, some knowlegde […]
Read moreThe aim of this experiment was to find the major proteins that make up the plasma membranes of cells, their whereabouts within the membranes, and what effect various pre-treatments would have on these proteins. It was the erythrocyte membrane that was studied in this experiment because red blood cells can easily be extracted from whole […]
Read moreTo find out the optimum concentration of calcium chloride (CaCl2) needed to be used by cheese manufacturing companies, in order for the milk used to produce the greatest mass of cheese from a given amount of milk to coagulate at its best rate. So that the rennet is at its most active effect therefore achieving […]
Read moreEnzymes are proteins that act as catalysts. They speed up the chemical reactions which occur inside living things. Without them, all reactions would be far too slow, and living organisms would not be able to function. Enzymes are extremely efficient at doing their job. Some of the chemical reactions, which take place in our cells, […]
Read moreCaffeine is an xanthine alkaloid, that is a known steroid that can promote hypertension and hyperactivity. It is commonly used in drinks that are supposed to “pick you up”. They are caffeine rich and give the drinker a boost of energy. It also has medicinal uses in aspirin and some weight loss drugs. It acts […]
Read moreInsomnia is a sleep disorder characterized by difficulty falling asleep, staying asleep, or getting enough rest despite efforts to do so. These disruptions in sleep can impede daily functioning. Symptoms of insomnia vary and may include waking up too early or struggling to fall asleep, leading to reduced overall sleep duration. [1][3] A doctor’s consultation […]
Read moreEnzymes, as biological catalysts, are essentially proteins composed of amino acid polymers. Their tertiary structure results in a globular shape, due to molecular bonding. Various bonds contribute to maintaining the structure’s shape, with the strongest being the di-sulphide bridges between cysteine amino acids. Hydrogen bonds are also present, but their strength increases when many exist. […]
Read moreI predict that if I increase the temperature of the orange juice, the concentration of the orange juice will decrease. This is because vitamin C is a fairly unstable molecule, and the greater the heat the more vitamin C molecules will be broken down. It takes activation energy to break down bonds and as we […]
Read moreIn this essay, I will be trying to explain the diverse ways in which the poem, “Dulce et Decorum Est”, written by Wilfred Owen, the film All Quiet On The Western Front, made from a book which became a world best seller by Erich Maria Remarque and the television show, “Good byeee” ( Blackadder) show […]
Read moreExamine the differing viewpoints on war presented in the poems “Fall In,” “The Soldier,” and “Dulce et Decorum Est”, all of which are centered around World War 1. This task will involve exploring the different viewpoints on war as presented in Harold Begbie’s ‘Fall In’, Rupert Brooke’s ‘The Soldier’ and Wilfred Owen’s ‘Dulce et Decorum […]
Read moreBeet root cells contains a red pigment, which is found in the cell vacuole. The vacuole has a membrane in which its function is mainly to prevent the betacyanins from leaving the cell. Leakage of these betacyanins into the external solution can be used as an indication of membrance pereambility changes. As part of my […]
Read moreThis research investigates the process of milk coagulation in diverse kinds of milk and delves into factors that affect the clotting time of milk when vegeren is used. Vegeren is a vegetarian substitute for rennet, a substance instrumental in facilitating milk coagulation. The investigation acknowledges variations in calcium and protein levels across different types of […]
Read moreGrech has said that one of the main influence on the recording of the album “I am Chromosome” was the idea that all of his experiences could be categorised into three groups: sensual, holy and debauched and the unhinged “I Am Chromosome”. They are all disturbing, unsettling pieces of work. He was influenced by such […]
Read moreThis opportunity arose from my work with the steering committee of the St. Albans Mela, which was formed to look at various aspects which we believed to help steer us towards having a Mela in St. Albans. The idea of a Mela in St. Albans is part of a larger project called Fuze which was […]
Read moreAll Blues is a member of pieces from ‘Kind of Blue’. There are five pieces, entitled All Blues, Blue in Green, So What, Freddy Freeloader and Flamenco Sketches. The recording features Miles Davis on trumpet, Julian ‘Cannonball’ Adderley on alto sax, John Coltrane on tenor sax, and a rhythm section made up from Paul Chambers, […]
Read moreThe title Limbo suggests to me that the poem is about the traditional dance form the West Indies which originated from the 1800’s. The dance was invented by slaves aboard the slave ships to keep fit and healthy during the long journeys across the sea. The word Limbo can also be treated as a place […]
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