The effect of osmosis in potato cells with different concentrations of

The effect of osmosis in potato cells with different concentrations of sucrose solution Aim: To test the effect of different concentrations of sucrose solution to osmosis in a potato cells by putting potato pieces in test tubes of water containing different concentrations of sucrose solution. Scientific Theory: Osmosis is defined as the movement of water molecules across a partially permeable membrane from a region of high water concentration to a region of low water concentration. In a high concentration of water the amount of solute (e.g. sugar) is low. This could be called a weak or dilute solution. In a low concentration of water the amount of solute (e.g. sucrose) is high. This could be called a strong or concentrated solution. When two such solutions are divided by a partially permeable membrane the water will move from the area of high concentration to the area of low concentration, until both sides are equal (have reached equilibrium). Knowing that osmosis will occur across a partially permeable membrane whenever there is a difference between the water concentrations on the two sides of the membrane, and knowing that when this happens to cells they will either become turgid if water flows into them, or flaccid if water flows out of them, and thus change their volume, we want to test the hypothesis that: If the concentration of a solution into which a cylinder of potato is placed is greater than a certain level the cylinder will contract, and if the concentration is less than that level it will expand. The cell membrane in cells is partially permeable and the vacuole contains a sugar/salt solution. So when a cell is placed in distilled water (high water concentration) water will move across the partially permeable membrane into the cell (lower water concentration) by osmosis, making the cell swell. This cell is now referred to as turgid. If done with potato cells the cells would increase in volume and mass because of the extra water. If these potato cells were placed in a solution with a low water concentration, then the opposite would happen. Water would move out of the cell into the solution. In extreme cases the cell membrane breaks away from the cell wall and the cell is referred to as flaccid. The potato cells will have decreased in volume and mass. The greater the concentration of water in the so... ... for example, with a carrot or an apple to see if osmosis affects them in the same way as it does potato. I would also widen the range of sugar concentrations to include 1.1M 2M. Moreover, I would like to see if and when the cells reach a maximum and minimum weight. Temperature could also be changed, for example the samples could be placed in different test tubes at different temperatures to see if temperature played its part in the osmosis of potatoes. 5 sets of 3 potatoes could be placed in test tubes at 10oC, 20oC, 30oC, 50oC and 60oC. Then leave them for 24 hours making sure all the variables in the first experiment still apply however just using one molar solution. Then after 24 hours re-weigh the samples and record the result. I would expect that at high temperatures the potato samples would gain the most weight. This is because at high temperatures the water molecules would move faster and therefore equal the concentration faster. A preliminary experiment could be set up beforehand to find out how long the experiment should be kept going because if the concentration of the potatoes equalises then the weight of the potatoes will be almost exactly the same.

Disabled by Wilfred Owen Essay

When you hear ‘death’ you think of pain and suffering. The poem Disabled by Wilfred Owen shows that he regrets some major decisions he made in his very short life; such as going to war. Throughout the poem he states how much he regret going to war. He used lots of terms to describe his pain and suffering in the war and also after coming home from the war. How he is against all wars. He informs young men on how the war really is. Another source I looked at was the movie Gallipoli. The protagonist was so eager to go to war. He was so excited thinking it was going to be fun and above all he was out into the light horse category. He was constantly saying that he wanted to get home and share his experiences with his family, only little did he know that is was the last time he was going to see them. Good afternoon fellow students and Ms Dadd/Fegatilli. We have all been studying war stories for a week or two. The 2 forms of writing we have been studying are Disabled by Wilfred Owen and some of us have been studying the movie Gallipoli. The protagonist in â€Å"Disabled† speaks about how he misses all of the wonderful memories that he had only last year, before he lied his way to go to war underage to show off, only to lose limbs and become an old man who is only about 19 and has aged as though until he looks and feels elderly. He has lived in an institute for most of his life after he came back from the war. This teaches us that you must cherish what you have and not to show of how good you can be. You never know when you suddenly lose important things to you because of the decisions you have made before. Wilfred Owen uses repetition throughout the poem to try and bring these messages of regret across, such as â€Å"Now he will never feel again† and â€Å"Now, he is old; his back will never brace;† to emphasis what he will never have again and how much he has lost. Wilfred Owen sets the mood to match the theme. The theme of this poem is a look at what has become of a man who made wrong choices in life then to later regret it. In Disabled, he has used emotive language and powerful words to emphasize the theme. The second source I looked at was the movies Gallipoli. The protagonist is so keen of the idea to go to war, that he doesn’t think of how it will affect others and how it will affect himself. So he signs the form; which proudly states his is over 21. The film Gallipoli shows that men back in those days didn’t take it seriously. They thought it was all fun and games right until they were in the trenches about to shoot people or possibly even go over when they were commanded to. So as you can see, not many people made it out alive. They thought it was going to be all fun and games but they were very mistaken. So throughout this speech I have mentioned the effects that both protagonists have to deal with. Death brings pain and suffering but in this case it was the war. Thank you for listening to my speech.

Polonium Facts - Element 84 or Po

Polonium (Po or Element 84) is one of the radioactive elements discovered by Marie and Pierre Curie. This rare element has no stable isotopes. Its found in uranium ores and cigarette smoke and also occurs as a decay product of heavier elements. Although there arent many applications for the element, it is used to generate heat from radioactive decay for space probes. The element is used as a neutron and alpha source and in anti-static devices. Polonium has also been used as a poison to commit assassinations. Although the position of element 84 on the periodic table would lead to categorization as a metalloid, its properties are those of a true metal. PoloniumBasic Facts Symbol: Po Atomic Number: 84 Discovery: Curie 1898 Atomic weight: [208.9824] Electron configuration: [Xe] 4f14 5d10 6s2 6p4 Classification: semi-metal Ground level: 3P2 Polonium Physical Data Ionization potential: 8.414 ev Physical form: Silvery metal Melting point: 254Â °C Boiling point: 962Â °C Density: 9.20 g/cm3 Valence: 2, 4 References: Los Alamos National Laboratory (2001), Crescent Chemical Company (2001), Langes Handbook of Chemistry (1952), CRC (2006)

Commentary On Student Characteristics And Learning Theories

Commentary on Student Characteristics Learning Theories In a classroom, there are always a wide variety of characteristics that make up each child. There are never two children that are alike. As a teacher, this has to be taken into consideration because they are all different, they learn differently as well. I think it is most important in the first few weeks to really get to know your students and build a rapport with them. That is my number one priority in the classroom. If you know your students, you can better help them. When you know what makes them tick, what motivates them, and what will set them off you can better address their learning and their needs. Over the past few weeks of being in the classroom, I have really focused my time and energy into truly getting to know each child; their likes, dislikes, motivators, and turnoffs. Although there are always things to continue to learn about, I feel that I know my students well enough to be able to adjust my planning and their learning to best suit them. The theorists that I have spent my college time learning about and feel apply mostly to my teaching style are B.F Skinner, Benjamin Bloom, and Lev Vygotsky. I believe that these men have created theories that best suit an actual classroom. Using B.F Skinner’s theory of Operant Conditioning resonates with me the most (simplypsychology.org). I believe that if a student if constantly given praise for the right things, they will continue but if they are givenShow MoreRelatedEvaluation Of A Research On Formative Feedback888 Words   |  4 Pages3. Reviews/Commentaries Shute,V. (2008). Focus on formative feedback. Review of Educational Research, 78(1), 153-189. Shute conducts an extensive literature review of the research on formative feedback because despite extensive investigation, the author proposes, is still misunderstood due to conflicting findings and inconsistent pattern results. The focus of this review is that feedback must be â€Å"delivered correctly† to be effective. Therefore, Shute offers a twofold proposal: to understand theRead More Different Learning Styles: Exploring the Myers-Briggs Type Indicator1600 Words   |  7 PagesDifferent Learning Styles: Exploring the Myers-Briggs Type Indicator Thesis: Students on a secondary level of education will learn more effectively if their MBTI have been assessed and accommodated to. All students process information differently. These differences can be explained using the Myers-Briggs type indicator. Students on a secondary level of education will learn more effectively if their MBTI have been assessed and accommodated to. The Myers-Briggs type indicator (MBTI)Read MoreThe Controversy Of The Arkansas Trial1472 Words   |  6 Pagesthese criterias. One of the philosophers that claimed that creation science was indeed science was Larry Laudan. Laudan expressed his disappointment towards the decision of the trial, and stated that the trial failed to recognise the falsifiable theories that creationists made. Gilkey and Ruse were a couple of the philosophers however, that agreed with the decision arguing that creation science failed to comply with the standards of science especially through its conclusion of an unexplainable divineRead MoreSuggestopedia1214 Words   |  5 Pagessome other possible negative effects such as the physical effects of the learning environment, learners’ minds cannot process and retain information at the maximum efficiency.   This also leads to a lack of confidence and creativity. Thus it is significant to send all kinds of negative effects off the students’ inte rnal environment (the self) and external environment (the classroom) through â€Å"desuggestion† by creating a learning atmosphere where all messages have a positive emotional content. In additionRead More The Case for Technology Essay1710 Words   |  7 Pagesrelationship between learning, assessment, and effectiveness †¢ Provide a relevant context for learning †¢ Accommodate differences in learning †¢ Motivate and sustain learning †¢ Provide greater access to learning opportunities †¢ Empower learners The positive effects attributed to technology will occur only if it is used appropriately. Like any other instructional tool, technology can serve to perpetuate poor educational practice or it can become a means for transforming learning. How technologyRead MoreBasic Lessons When Thinking About Educational Change1286 Words   |  6 Pagespurpose is complex and problematic 2. Theories of education and theories of change need each other 3. Conflict and diversity are our friends 4. Understanding the meaning of operating on the edge of chaos 5. Emotional intelligence is anxiety provoking and anxiety containing 6. Collaborative cultures are anxiety provoking and anxiety containing 7. Attack incoherence connectedness and knowledge creation are critical 8. There is no single solution. Craft your own theories and actions by being a critical consumerRead MoreThe Authoritative Sources Of Economics1470 Words   |  6 PagesAuthoritative Sources of Economics: Scholarly Journals, Economics Studies Publications, Research Institutions, and Online Databases Word Count: 1377 Introduction to the Authoritative Sources of Economics In the field of Economics, valuable theories and analysis are based on previous economics research and studies. Peer reviewed scholarly journals, economics studies publications, economics research institutions, and online economics databases are the leading sources in the field of economicsRead MoreToyota Learning Principles and the V4L Framework1218 Words   |  5 Pagesphrases such as andon, heijunka, and kanban have become part of the day-to-day vocabulary of managers. In an insightful commentary on these tools and techniques, Jeffrey Liker writes that Toyota’s success goes beyond these tools and techniques to what he calls â€Å"The Toyota Way.† Liker presents the Toyota Way as an all-encompassing method for designing and managing processes. Every student of Toyota also knows that the Toyota Way is unique, not only in its approach to problem solving but also in perpetu-atingRead MoreThe s Theory Of Skill Acquisition3195 Words   |  13 PagesEmergency Nurses and its Relationship with Mutual Authority Where Benner’s Theory of Skill Acquisition is Essential Mutual Authority (MA) and Effort Arrangement (EA) are synergistic in nature. Nursing practice models, theories, concepts provide the arrangement and background to establish the delivery of healthcare. Mutual authority is an ideal of nursing training intended to assimilate fundamental principles and theories that proficient teaching embodies, as a resource of attaining excellence inRead MoreSymptoms And Symptoms Of Schizophrenia1267 Words   |  6 Pageshave the potential to shape ones life in a negative way. Stigma is a social construction that defines people in terms of distinguishing characteristics that devalue them as a consequence. Usually a stigma is derived from public attitudes, and can lead to difficulties in individuals with a mental illness. Hurtful media representations, offensive commentaries, negative attitudes, and being shunned or rejected are common life experiences of people with schizophrenia. These stigmas have the ability

Cultural Diversity At The Global Monoculture - 2260 Words

Slide 1 Title Slide Only Slide 2 The subject of cultural diversity leads organizations to search for an understanding of what this concept really means. As found in most dictionaries and many business journals, cultural diversity is the value of the differences that exist between people groups. This is in opposition to what is seen as a monoculture, as in the global monoculture; this is the homogenization of cultures. The simple phrase cultural diversity can also refer to there being different cultures respects for each other s differences as they are and not being biased because of those differences. In business and other circles, the phrase cultural diversity is sometimes used to mean the variety of human societies or cultures within a very particular geographic region. Breaking the concept of cultural diversity down a little further there is the idea that a person or groups identity is that which is belonging to, partly to oneself. The self-conception and self-perception to a person’s national group, ethnic group, religious group, social group, generational group, has its own distinct culture. This is also to say that cultural identity is both the identifying characteristic of the individual but it will also be seen as that which is culturally identical to the group. Its total comprise of all members are in some ways sharing the same cultural identity. In politics this idea of cultural identity seems to overlap as well. In politics the culture can simply be thoseShow MoreRelatedPotential Problems When Using Multicultural Diverse Team in Global Organization994 Words   |  4 PagesWhat are some potential problems that must be overcome when using the multicultural diverse team in global organization? As for 2006 and above, there are many problems regarding multicultural diverse team in global organization. Ironically, Presidents and CEO of the organization are willing to talk about diversity when their managers do not have much confidence in implementing diversity workforce in an organization. Managers are afraid that they may fail in terms of productivity when multiculturalRead MoreGlobalization Causes Poverty Essay792 Words   |  4 PagesAccording to J.H. Mittelman, globalization is a historical transformation in economy and cultural diversity. Globalization is the idea of making the world act like one huge country. Globalization affects this world and the people in this world in many ways. Globalization affects the economic status of a country. It has indeed weakened the position of poor countries and exposed poor people to harmful competition. Globalization is the strategy of liberation that becomes an economic nightmareRead MorePotential Problems When Using Multicultural Diverse Team in Global Organization984 Words   |  4 PagesWhat are some potential problems that must be overcome when using the multicultural diverse team in global organization? As for 2006 and above, there are many problems regarding multicultural diverse team in global organization. Ironically, Presidents and CEO of the organization are willing to talk about diversity when their managers do not have much confidence in implementing diversity workforce in an organization. Managers are afraid that they may fail in terms of productivity when multiculturalRead MoreLiving Demands An Identity : A Global Power On The World Essay2095 Words   |  9 Pagesidentity. A sense of self, which defines who a person is and the means that they exist in the larger macrocosm of the world. The great diversity present on earth derives from the perception of the world that is unique to each individual based on their culture, experience, and impressions. Yet, when variation is compromised, the idea of the uniformity of a global identity spurs the threat of a world conforming to the same ideals that is not exposed to innovation and change. The encroachment of WesternRead More Inte rnet and Cultural and Historical Diversity of Style in Composition3131 Words   |  13 PagesInternet and Cultural and Historical Diversity of Style in Composition The technological revolution of the late twentieth century has arguably caused some of the greatest changes in the global society. Few realize the full effects of the computer age. The Internet in particular has brought the corners of the world closer together. Even in the most remote areas of the globe, such as Katmandu, one can see an advertisement for e-mail (Stefik 235). One might begin to wonder what the social consequencesRead MoreGlobalization : Identity Formation And Globalization906 Words   |  4 PagesAaron Altier Dr. Eleanor Latham Writing 121 2 March 2016 Globalization: Identity Formation Globalization can be defined as the â€Å"process by which different parts of the world become interconnected by economic, social, cultural, and political means† (Globalization 2015). It affects every aspect of our lives, and we experience globalization daily when we go to the grocery store and view products and produce from other countries, when in coffee shops we are surrounded by faces and languages from otherRead MoreInclusion And Full Of Half Truths Essay1210 Words   |  5 PagesIntroduction In 2000, Professor Geneva Gay wrote that culturally responsive teaching connects students by their cultural knowledge, prior life experiences, in a way that legitimized and validated what students already know. By embracing all socio-cultural realities and having a thorough understanding allows the culturally responsive teacher to negotiate the classrooms with their students and have an accurate reflection of their communities where students develop and prosper. In doing my researchRead MoreThe Understanding Of An Individual Culture Background1370 Words   |  6 Pagesmulticultural group with different languages, and who have different culture context. Know their sensitivity and habits. We all have different thinking patterns. All cultures have different mindset, like overcoming cultural barriers, but we have to leverage ourselves to cultural diversity. Every cultural has different learning patterns, some know more and some less, but everyone should be on the same page. The more you learn from one another, the more successful you will be. It’s good to develop your skillsRead MoreGlobalization : A Positive Light926 Words   |  4 Pagesdeveloping countries. Globalization shall be beneficial to every culture because people could show their cultural individuality and enjoy others` cultures with freedom in a worldwide situation. Legrain notes that people are easy to connect others, whenever and wherever they are, which is â€Å"the beauty of globalization.† With the development of globalization, people are freer to interflow their cultural experiences than before, and through this, citizens can enrich their lives (cited in Dixon, 2009:209-14)Read MoreThe Understanding Of An Individual Culture Background1334 Words   |  6 Pagesmulticultural group with different languages, and who have different culture context. Know their sensitivity and habits. We all have different thinking patterns. All cultures have different mindset, like overcoming cultural barriers, but we have to leverage ourselves to cultural diversity. Every cultural has different learning patterns, some know more and some less, but everyone should be on the same page. The more you learn from one another, the more successful you will be. It’s good to develop your skills

Indians vs. Europeans Free Essays

Shelby Bradley The idea of a brand new world across the ocean sparked interest in many Europeans. They saw it as an opportunity to get rich quick and benefit immensely. The issue they didn’t see was the presence of the Native Americans who were already on the land. We will write a custom essay sample on Indians vs. Europeans or any similar topic only for you Order Now The Europeans sailed into North America and immediately started excluding the Indians and taking their land. This caused many conflicts between the two groups, especially in the New England and Spanish Southwest region and during the 1600’s. In 1620, the first New England settlement was founded. It was at a site called Plymouth Rock and was the location of the Mayflower Compact. At first the colonists had lots of trouble figuring out how to grow crops and hunt and basically survive in this new world. The local Native Americans showed them how to farm and hunt and soon the colony prospered. It’s hard to understand why so many conflicts occurred when clearly the Native Americans weren’t fighting our arrival. The colony was doing so well that other people from Europe saw opportunity and starting moving to New England. Soon the colony was overcrowded and the colonists started taking the Indians’ land. They also hunted too much, spread their diseases to the Indians, and also tried to convert them to Christianity. The Indians did not take this lightly. They started to fight back. For example, they killed Anne Hutchinson and her family. The Europeans’ greed was the root of these conflicts and the Native American’s response didn’t help their relationship either. Meanwhile there were also problems in the Spanish Southwest. By the 1600’s most of South and Central America were occupied by Europeans, so the Spanish started heading north. The Spanish immediately killed and enslaved any Indians that they ran into. By the time they reached New Mexico, slavery was in full swing and they were trying to convert the Indians to Christianity as well. How to cite Indians vs. Europeans, Papers

Cloud Computing Implementation in Webb-Free-Samples for Students

Question: Discuss about the Cloud Computing Approaches for Webbs. Answer: Introduction The aim of this report is to put emphasis on cloud computing implementation in Webbs using two approaches as described in the body of the report. Cloud computing is a revolutionary wireless technology that enables an individual or an organization to do business operations using internet and can save several data and information in the cloud. An IaaS Approach to Migrating Webbs Database to the Cloud Infrastructure as a Service (IaaS) is a cloud infrastructure service that is self-service model for monitoring, managing and accessing datacenters situated at different places as that of Webbs. These service models are capable of doing computing, networking services and storage of data of the business (Manvi Shyam, 2014). It is easily accessible and purchasable as this implementation does not need any external hardware and payment for this model can be done online as simple as other bill payment services. As compared to other models IaaS offers users to manage applications runtime, data, Oses, and middleware. A PaaS Approach to Migrating Webbs Database to the Cloud Platform as a Service (PaaS) can be used for developing applications that are suitable for Webbs as well as providing cloud components to the software. PaaS provides a framework at which software can be developed or customized (Malfara, 2013). It can be beneficial in developing, testing and deploying applications in simple, cost-effective and quick manner. Applications running on PaaS inherit the cloud characteristics like SaaS enablement, high-availability, scalability, multi-tenancy and many more. It is beneficial for Webbs as this implication will help in reducing the needed coding amount, helps in migrating applications in hybrid models, and it also helps in automation of business policies. Comparing Advantages and Disadvantages of IaaS and PaaS approaches Advantages Disadvantages IaaS PaaS IaaS PaaS Customers have full control over all activities not as that in PaaS. Full control over processing data. Much secure Cloud services. Much cost-effective as compared to IaaS. Unlike to SaaS it allows users to run own applications too. Full control on user access. Handled by the provider results in less management of the VM (Virtual Machine) or processing data (McGrath, 2012). Unlike PaaS customers are only responsible backups and rest of VM (Virtual Machine) Management. Not much control over physical location. Much expensive as compared to PaaS. Big security risk as there is no control over processing data. Platform is controlled by Cloud provider. Management tasks consumes more time. Not much cost effective and not as much control over processing data as IaaS. IaaS Approach for Webbs Security of data and information saved in the database will be the most important topic for implementing and cloud computing architect or model in the existing management system of Webbs. Cloud is a place where an individual can save various data and access it from anywhere but this is not invulnerable, data breaches may happen to the database, which can lead information and data to be manipulated and exposed (Garg, Versteeg Buyya, 2013). By implementing IaaS in Webbs, no doubt it will be costly but the information and data will be much safer than any other model. It will also provide user access to manage all the data processing in any application. Conclusion Based on the above report it can be concluded that introducing Cloud Computing by IaaS approach will be much more beneficial for Webbs as compared to any another approaches like PaaS and SaaS which are common models among nowadays organization. This approach has many advantages as compared to other approaches with an exception of increase in cost. References: Garg, S. K., Versteeg, S., Buyya, R. (2013). A framework for ranking of cloud computing services.Future Generation Computer Systems,29(4), 1012-1023. Malfara, D. (2013).Platform as a Service. working paper ACC 626, University of Waterloo, Waterloo, Canada, 3 July. Manvi, S. S., Shyam, G. K. (2014). Resource management for Infrastructure as a Service (IaaS) in cloud computing: A survey.Journal of Network and Computer Applications,41, 424-440. McGrath, M. (2012).Understanding PaaS. " O'Reilly Media, Inc.".