Conclusions - concentration affecting lipase Essays - Free Essays

Conclusions - concentration affecting lipase Essays - Free Essays Conclusions - concentration affecting lipase It is clear from the graphs, tables and statistical processes carried out that generally, increasing the volume of lipase increases the change in pH of the solution and also the rate of change of the pH of the solution. This has been proved by the increasing values of standard deviation for higher volumes of lipase, the generally larger maximum change in pH for the higher volumes of lipase and also by the shape and gradients of the graphs drawn. Although there have been anomalies, having used the t-test it can be seen that it is far more likely that the results are not down to chance, but due to the differences between the volumes of lipase being compared. The only differences between each volume of lipase are the number of enzymes and therefore active sites present in the solution. The reason for higher volumes of lipase decreasing the pH more quickly and by a larger amount can be explained by the number of enzymes present and the hydrolysis reaction taking place between the lipids present in the full fat milk. Lipase oxidises triglycerides, using three molecules of water to break the 3 ester bonds and to produce a glycerol molecule and three fatty acids. Lipids, because of their hydrophobic fatty acid tails do not dissolve in water, and so during fat digestion in the human body, these lipids must first be emulsified by bile salts such as sodium glycocholate and sodium taurocholate. The release of bile into the duodenum is stimulated by the hormone CCK. For human digestion, the bile salts break down the fat droplets present in the lumen of the small intestine into tiny globules helping them to disperse into the watery fluids in the intestine. The lipase enzyme however is made of a globular protein, and because of the hydrophilic R' groups on the outside of its structure the enzyme can dissolve in water. In my experiment, the volume of bile salts and full fat milk remained constant, so the amount to which the globules of fat present in the full fat milk were emulsified should have remained t he same for each volume of lipase. The bile salts should have enabled the lipase enzymes to act on more lipids present in the solution. As can be seen with some volumes of lipase, the pH first rose before it started to steadily fall, this may have been related to the fact that the bile salts were still emulsifying the fats. If the globules of fat were large, then their surface area available to the active site of the lipase enzymes would have been much smaller and so the rate of the reaction would have proceeded at a much slower rate. The fact that the bile salts also contains hydrogen carbonate ions can also explain why the pH after one minute was relatively alkali, approximately varying between 7.30 - 9.73. The optimum pH for the lipase acting in the duodenum of the small intestine is approximately 7.00, so theoretically, the 5.00ml3 of lipase should have been at a slight disadvantage despite the fact that it actually produced the fastest rate of change of pH for experiment 2. Following the emulsification of the lipids present in the full fat milk, the lipase would have then collided with the tiny globules of fat, forming enzyme-substrate complexes. The lipase would have then broken the 3 ester bond holding the triglyceride together in a hydrolysis reaction requiring three molecules of water. In the human body, the products of this reaction would most likely be converted to other things or stored in adipose tissue, rather than accumulating and creating an acidic environment. In the liver, the fatty acids can be converted to acetyl coenzyme A, which can then be fed into the Krebs cycle, while the glycogen can be phosphorylated to triose phosphate, an intermediate in glycolysis. Clearly in the test tube no such processes would be happening as there are no hepatocytes present in the solution and no respiring organisms (provided the test tube was sterile). The fatty acids and glycerol would have therefore accumulated in the test tube. Glycerol is an alcohol and looking at its material safety data

50 Free Social Media Marketing Templates To Get More Done

50 Free Social Media Marketing Templates To Get More Done Social media can be a time suck, but it doesn’t have to be. With the right tools and templates, social media can be a powerful platform to connect with your audience. At , we’ve published tons of content helping marketers execute social media marketing more easily. Most of those posts include some useful templates and other resources. And in this post, we’ve gathered 50 of our best social media templates, all in one handy ZIP file you can download. These templates will walk you through everything you need to plan, execute, and measure a complete social media marketing strategy. Grab your templates now, then read through this post to learn how to use em all. in oneplace. Save 20 hrs this week alone and every weekafter. If youve ever kicked the tires on , nows the time to see what its reallylike. Schedule Your Demo Success! Your download should start shortly. Clean up the chaos with your editorial calendar! With , youll Save time with blogging, social, and email think HOURS every week Schedule your social posts in batches and increase your posting frequency super easily Get your sht together and hold yourself accountable to publishing like the boss you are! Now’s the perfect time to start your 14-day free trial to see for yourself! Start Your Free Trial

MRKT19031 - Consumer Behaviour Assignment Example | Topics and Well Written Essays - 3000 words

MRKT19031 - Consumer Behaviour - Assignment Example Table of Contents 1. Introduction 5 2. Creating decision matrix 5 2.1. Accommodation options 5 2.2. Evaluative criteria 6 2.3. Decision matrix 6 3. Application of compensatory decision rule 7 3.1.2. Rating each option against each of the criteria 8 3.1.3. Compensatory decision rule to calculate which option this respondent is most likely to choose 9 3.1.4 Calculation results and real choices. 9 3.2. Respondent 2 10 3.2.1. Ranking evaluative criteria (based on the allocation of 100 points importance score) 10 3.2.2. Rating each option against each of the criteria 10 3.2.3. Compensatory decision rule to calculate which option this respondent is most likely to choose 11 3.2.4 Calculation results and real choices. 11 3.3. Respondent 3 12 3.3.1. Ranking evaluative criteria (based on the allocation of 100 points importance score) 12 3.3.2. Rating each option against each of the criteria 12 3.3.3. Compensatory decision rule to calculate which option this respondent is most likely to choose 13 3.3.4 Calculation results and real choices. 14 4.1. Why are respondents' rankings of evaluative criteria different? 14 4.1.1. Demographic reasons 14 4.1.2. Personality reasons 15 4.2. Why are respondents' choices different? 16 4.2.1. Demographic reasons 16 4.2.2. Personality reasons 17 4.3. Recommendations for marketers of these accommodation options 17 5. Conclusion 18 References 19 Appendix I 21 1. Introduction There are as many opinions and preferences as there are people in the world. The goal of marketing, nevertheless, is to develop strategies and techniques that will make a particular product appealing to people. In order to achieve this goal it is necessary to, in the first place, know what people want or know how they choose what they buy. Therefore, the purpose of this paper is to analyse how people use different evaluative criteria in the process of making buying decisions, how demographic and personality reasons influence the importance of certain evaluative criteria, and why the results of empirical buying behaviour research might differ from real life consumer behaviour. For the purpose of accomplishing the set above goals a sample population of 3 people will be offered to evaluate six accommodation options selected for this study, as well as six evaluative criteria relative to the provided options. The compensatory decision rule will be used for evaluating the choices people make. Answers of the respondents will be analysed with the purpose of determining what particular factors had the greatest impact on their decision-making, so that it will be possible to provide the marketers with certain recommendations regarding practical applications of the gathered information. 2. Creating decision matrix 2.1. Accommodation options The listed below 6 accommodation options were chosen for the purpose of completing this task. Detailed descriptions and pictures are provided in Appendix I. 1. Buying a house in Barwon Heads for $695,000. 2. Buying a 2-bedr oom and 1-bathroom apartment in Berridale Village for $129,000 3. Renting a fully furnished studio apartment for $230 per week in a suburb of Melbourne . 4. Buying a 2-bedroom and 2-bathroom apartment in Sydney for $680,000 (Unit 704/710-722 George Street, Sydney, NSW, 2000). 5. Sharing

Assignment 3 Essay Example | Topics and Well Written Essays - 2000 words

Assignment 3 - Essay Example However, the mode of electronic commerce also brings and invites many kinds of problems both for the customers and vendors. Some of such problems faced by dot-com companies are listed under: Technical problems This is one of the significant problem faced on the part of both customers and vendors in making payment through online sites. The technical problems develop a kind of resistance among both customers and vendors in using e-commerce sites for purchasing goods and services. Some of the common technical problems faced by the customers and vendors relate to system failure, case of amount debited twice, late processing of payments, failure to provide notifications, etc. All these technical issues and problems have been faced by the companies in real sense. For instance, in the year 2012, around 12 million NatWest and Royal Bank of Scotland have faced the freezing issue of their salaried accounts. The technical fault and problem has resulted the computer system to freeze the salaried accounts unnecessarily (Bidgoli 20-25). This case of freezing of salaried accounts prevented the large customer base from making online payment through their salary accounts. Likewise, system failure and late processing of payments also prevents the customers from getting up-to-date balance and payment status. In some instances, it has also been noticed that customers are fined for late payment due to the system failure or any other technical difficulty. The technical problem relates to failure of the system to show updated payment status also creates difficulty for vendors in forwarding the request of debiting or crediting accounts. It is due to reason that vendors can direct the banking channels to debit or credit the customer account on the basis of latest updated information of their accounts. But, system failure and technical problems creates difficulty for the vendors in assessing and tracking updated status and proceeding payment accordingly. Difficulty related to payment pr oviders The wide popularity and emergence of large number of e-commerce sites have also increased proportion of payment providers simultaneously. The availability of large number of payment providers created difficulty for the vendors and customers in selecting appropriate and authentic payment provider. There are various cases demonstrating fraudulent payment done by service suppliers. The instances of fraudulent cases pose a question on the trust and authenticity of payment providers. The world of e-commerce has also witnessed the difficulty faced by the vendors and customers in cancelling the transaction and processing payment remittance. The cancellation of transaction by the mutual agreement of customers and vendors also made the issue unsolved for many days. It happens due to long time taken by the payment providers in forwarding the payment back to the customers. This practice of payment providers of forwarding payment with excessive delay spoiled the trust and authenticity o f online payment mechanism. It has also been identified that vendors and customers need to install multi-currency support system

Confidence intervals Essay Example for Free

Confidence intervals Essay Confidence Intervals have numerous applications for professional activities. Confidence Intervals have a wide use in defining the outcome of a particular question. The use of confidence levels are used commonly in Health, Business, Politics and Engineering venues. There are three examples that will be recognized as having real world applications regarding confidence intervals. An Empirical Test of the Black-Scholes (BS) Option pricing model exhibited the use of a confidence interval approach. The BS model is a model used to determine price variation over time such as stock options. The utilization of confidence intervals to determine if the BS model was accurate was concluded â€Å"constructing a 95 percent confidence interval for the call option, we found in general that significantly less than 95 percent of the observations fall within the relevant range. † The theory of incorporating a confidence interval into the BS model developed a way for investors to identify what options we better to purchase. (Levy Byun, 1987) In a case study to estimate the confidence in advertising the authors of â€Å"Estimating Confidence Bounds for Advertising Effect Duration Intervals† studied the dynamic effects of current and past advertising on current and future sales utilizing confidence intervals. The study identified how long an advertisement should be displayed depending on the duration interval and the confidence interval that helped managers arrive at proper decisions. Using confidence intervals in this situation enabled leaders to make an informed decision. (Franses Vroomen, 2006) Through the use of surveys in case study â€Å"Mortality rate and confidence interval estimation in humanitarian emergencies† they were able to incorporate confidence intervals. They used confidence intervals to determine the mortality confidence level from surveys in devastated areas. The authors approach enables health officials to identify confidence levels from survey areas to be better prepared for future emergencies. (Sullivan, Hossain, Woodruff, 2010) There is an infinite amount of ways to use confidence intervals in any professional culture. The three examples are only a small sample of what can actually be done to better understand present or past issues. The use of confidence levels can help any leader or manager make decisions that foster an environment of growth. References Franses, P. H. , Vroomen, B. (2006). Estimating Confidence Bounds for Advertising Effect Duration Intervals. Journal of Advertising , 33-37. Levy, H. , Byun, Y. H. (1987). An Empirical Test of the Black-Scholes Option Pricing Model and the Implies Variance: A Confidence Interval Approach. Journal of Accounting, Auditing Finance , 355-368. Sullivan, K. , Hossain, S. M. , Woodruff, B. A. (2010). Mortalizty rate and confidence interval estimation in humanitarian emergencies. Disasters , 164-175.

Free Essays - Seamus Heaneys Beowulf :: Epic Beowulf essays

Seamus Heaney's Beowulf Having a good and noble king is vital to the succession and happiness of a group of people. Unfortunately, not all kings are good kings, but the welfare of their people reflects on their ability to do the job. Having a foreign or pariah king will cause the people's welfare to suffer, but when a group of people has an excellent king, they will remain joyful and prosperous until the day he dies. If the reign of a king causes feud, then this would not have a positive effect on the group of people under his reign. In Seamus Heaney's Beowulf, Hrothgar, king of Denmark, considers giving his kingship to Beowulf, the Geat warrior who came to Denmark in order to defeat Grendel, who is the devilish monster attacking the Danes, as a service to King Hrothgar. When Queen Wealtheow, King Hrothgar's wife, hears of this, she says to him, "The word is that you want to adopt this warrior as a son. So, while you bask in your fortune, and then bequeath kingdom and nation to your kith and kin before decease. I am sure of Hrothulf" (183.1175-9). By saying this, she is warning her husband about what problems may arise if he were to give his kingship to a foreigner. She then reminds Hrothgar of Hrothulf's distinguished traits and that he is also stripping his own sons of their rights to kingship if he goes through with handing the throne over to Beowulf. Wealtheow is most likely worri ed about Beowulf just simply conquering their people for Geatland, the people not liking his foreign methods, she obviously does not want to take kingship rights from her beloved relatives whom she considers worthy of the role, and does not want to see friction occur between Beowulf and their kin. Wealtheow knows that allowing a foreigner to take over the throne of Denmark will cause the welfare of the Danes to suffer. When a king goes bad, his people lose respect in him, are no longer content and successful as a people, and are likely to rebel against him. Hrothgar says to Beowulf, "Do not give way to pride"(121.1760). He is explaining to Beowulf that excessive pride is a king's worst enemy.

Globalization vs. Nationalism

Nationalism vs. Globalization The debate on whether U. S. domestic and foreign policy should center on nationalism or globalization has been a long standing one. Before I add my personal opinion to it, I would like to state the advantages and disadvantages of both options and how it woild affect our economy in the long run. Nationalism uses trade protectionism as a basis for its concept. The main objective is to protect domestic resources by deterring foreign trade. This is accomplished through raising tariffs, quotas, and embargoes. It also raises taxes for export subsidies, import licensing, and exchange rates. Riley) Initially, people believe that keeping trade domestic benefits the standard of living because it keeps employment high. Unfortunately, there are unforeseen side effects that have damaging results to the economy. One of the biggest factors is quality control. Since competition of the goods and services offered are reduced, there is no real motivation to produce innovat ive and technology advanced products. In addition, ineffective factions of business are safe from being edged out by more competent foreign rivals. In the long run, protectionism diminishes the value of a country’s products and cripples its economy.Globalization, on the other hand, is the opposite of nationalism. It is defined as the â€Å"ongoing process of integration of regional economies into a global network of communication and execution. † (Lovekar) There are many advocates and protestors of globalization. Supporters state how global trade raises GDP, employment, and per capita income for citizens of developing countries. Competition also raises the standard for good, quality products at reasonable prices ultimately benefitting the consumer. Employment, or lack thereof, is one of the hot button topics in the debate over globalization.Some believe that outsourcing manufacturing, a key part of globalization, causes a loss of jobs domestically. Despite the steady c ash flow from trade, developing countries are still growing twice as slow as developed countries. The average worker is still not benefiting from globalization due to their extremely low rate of pay, an enticing factor for outsourcing. So which option is the better policy ti adapt? In my opinion, globalization would be the better option for the U. S. Since they are such a phenomenal force in the global market, enforcing nationalism policies would not only weaken the economy, it would affect other countries as well.High tariffswould spark initiation tariffs from other countries and start a trade war. The outsourcing of lower skilled jobs to low wage countries is not necessarily a bad thing. It opens up the market for high waged, high skilled jobs that make equivalent products. The demand for these jobs raises the education level does to as many pursue degrees to fill them. So in conclusion, while it may seem ideal for the U. S. to protect its own by stymieing global trade, in the lon g run its beneficial to use globalization. In addition to stimulating developing countries’ economy, it benefits the consumer through competitive pricing.