Tuesday, March 3, 2020
Understanding Present and Past Participles
Understanding Present and Past Participles Inà traditional English grammar, a participle is aà verbal that typicallyà ends in -ing (the present participle)à or -ed (the past participle).à Adjective:à participial. By itself, aà participle can function as anà adjectiveà (as in the sleeping baby or the damaged pump). In combination with one or moreà auxiliary verbs,à a participle can indicate tense, aspect, orà voice.à à Present participles end in -ing (for example,à carrying, sharing, tapping). Past participles of regular verbs end in -ed (carried, shared, tapped). Past participles of irregular verbs have various endings, most often -n or -t (broken, spent). As linguists have long observed, both of these terms- present andà past- are misleading.à [B]oth [present and past]à participles are used in the formation of a variety of complex constructions (tenses) and can . . .à refer toà past, present, or future time (e.g., What had they been doing? This must be drunk soon).à Preferred terms are -ing form (which also includes gerund) and -ed form/-en form (Oxford Dictionary of English Grammar, 2014). EtymologyFrom the Latin, share, partake, participate Examples of Present Participles Ahead of Perenelle, a crowd gathered around a young man with aà dancing bear. (Stephen Leigh, Immortal Muse. DAW, 2014)Newport harbor lay stretched out in the distance, withà the rising moonà casting a long, wavering track of silver upon it. (Harriet Beecher Stowe,à Uncle Toms Cabin, 1852)Drawing on my fine command of the English language, I said nothing. (Robert Benchley)The ducks come on swift, silent wings, gliding through the treetops as if guided by radar, twisting, turning, never touching a twig in that thick growth of trees that surrounded the lake.(Jack Denton Scott, The Wondrous Wood Duck. Sports Afield, 1976) Examples of Past Participles During the thunderstorm, the frightened cat hid under the bed.[T]he clock, its face supported by plump cupids of painted china, ticked with a small busy sound. (Robert Penn Warren, Christmas Gift. The Virginia Quarterly Review, 1938)The new home stood beside the macadamized new road and was high and boxlike, painted yellow with a roof of glittering tin. (Elizabeth Bishop, The Farmers Children Harpers Bazaar, 1949)One January day, thirty years ago, the little town of Hanover, anchored on a windy Nebraska tableland, was trying not to be blown away. (Willa Cather, O Pioneers! 1913)The Bibles Jezebel came to an ugly end. Thrown from a balcony, trampled by horses, and devoured by dogs, the middle-aged queen has had few good days since. (Review of Jezebel: The Untold Story of the Bibleââ¬â¢s Harlot Queen by Lesley Hazleton. The Week, Novemberà 29, 2007)I believe in broken, fractured, complicated narratives, but I believe in narratives as a vehicle for truth, not simply as a form of en tertainment. (Stephen Greenblatt, Will in the World: How Shakespeare Became Shakespeare. W.W.à Norton, 2004) Source of the Terms Present and Past [There is] an apparent contradictionà inà our selection of terminology forà the present and pastà participles. We have described the participles as non-tensed, and yet we have used the terms present and past to distinguish them. Theseà terms, in fact, derive fromà the most characteristic uses of the participles, in constructions such as: Sue has made a sponge cake Sue is making a spongeà cake In (1) the making of the cake is located in past time and in (2) it is located in present time. Note, however, that it is not the participles themselves that suggest this difference, but rather the total contructions. Consider: Sue was making a sponge cake Here the making of the cake is certainly not located in the present but rather, as was indicates, in the past.à We thus wish to retain theà traditional terms on the grounds that they relate to the characteristic uses of the two forms, but at the same time insist that the forms areà tenseless: there is noà tense contrast between them. -(Peter Collins and Carmella Hollo, English Grammar: An Introduction, 2nd ed. Palgrace Macmillan,à 2010) Examples of Present and Past Participial Phrases Leaking from restaurant walls, beamed into airports as they landed and automobiles as they crashed, chiming from steeples, thundering from parade grounds, tingling through apartment walls, carried through the streets in small boxes, violating even the peace of desert and the forest, where drive-ins featured blue musical comedies, music at first overwhelmed, then delighted, then disgusted, and finally bored them (John Updike, The Chaste Planet. Hugging the Shore: Essays and Criticism. Knopf, 1983)à Participles as Quasi-Adjectives As modifiers ofà nouns, present and past participles of verbs function very much like adjectives. Indeed, they are sometimes regarded as adjectives when they modify nouns. A present participle attributes a quality of action to the noun, which is viewed as undertaking the action, as retreating of legs in [109]. A past participle views the noun as having undergone the action expressed by the participle, as prefabricated of buildings in [110]. [109] . . . the cripples envy at his straight, retreating legs[110] various prefabricated buildings Thus, the present is an active participle and the past is a passive participle.(Howard Jackson, Grammar and Meaning. Longman, 1990)Participles as Verbs and Adjectives Participles occupy anà intermediate position between verbs and adjectives. Like verbs of a clause, participles may function as predicates and take complements and adjuncts, in fact they refer to situations.à Since they are atemporal, they can, like adjectives, also function as modifiers of nouns.(Gà ¼nter Radden and Renà © Dirven, Cognitive English Grammar. John Benjamins, 2007) Participles as Sentence Openers When theà participle is a single word- the verb with no complements or modifiersit usually occupies the adjective slot in preheadword position: Our snoring visitor kept the household awake.The barking dog next door drives us crazy. . . . While the single-word participle generally fills the preheadword adjective slot, it too can sometimes open the sentence- and with considerable drama: Exasperated, she made the decision to leave immediately.Outraged, the entire committee resigned. Youll notice that both of these openers are past participles, rather than the -ing present participle form; they are, in fact, the passive voice. -(Martha Kolln, Rhetorical Grammar. Pearson, 2007) Pronunciation: PAR-ti-sip-ul
Sunday, February 16, 2020
THE KNIGHTS TEMPLAR Essay Example | Topics and Well Written Essays - 1000 words
THE KNIGHTS TEMPLAR - Essay Example After the First Crusade reclaimed Jerusalem on July 15, 1099, people were pouring in pilgrimage to the Holy Land. This multitude including wealthy pilgrims was the grand attraction to thieves. Surprise attacks along the roads were inevitable and a group of knights proposed to establish a troop that would ensure the safety of the travelers to Jerusalem. One of the knights was Count Hugh of Payns, a knight from the First Crusade. At this proposal, King Baldwin II of Jerusalem permitted Hugh of Payns and Godfrey of Saint-Omer along with other knights to stand guard along the roads to Jerusalem and were eventually recognized by the Council of Troyes as one of the orders of the Latin Church in 1129. The forefathers of this order were Hugh of Payns, Godfrey of Saint-Omer, Roland, Godfrey Bisol, Payen of Montdidier, and Archambaut of Saint-Armand. Hugh of Payns and Godfrey of Saint-Omerââ¬â¢s troop of knights were named The Knights of the Temple of Solomon of Jerusalem. They were named a fter the place where they requested the king to grant them as their official headquarters, the Temple of Solomon. The Knights of the Temple of Solomon of Jerusalem or the Knights Templar followed the Latin Rule, a set of codes which was formulated by Hugh of Payns in 1129 guided by Bernard of Clairvux. In this set of codes, the knights were to follow certain rules regarding their authorities, their garb, rituals on the death of their members, practices on giving alms, duration on standing on foot, on what to eat, the manner on reading, manners on dining, when to sleep, when to rise from sleep, how to coexist with fellow members, prohibitions on clothing, recommended materials of their clothing, the allowed number of pieces of clothing, what kind of shoes to wear, how to groom their hair, how to treat their servants, the number of allowed horses, prohibitions regarding bridles, spurs, spears and shields, on kinds of bags or trunks, on
Sunday, February 2, 2020
Essay2 Essay Example | Topics and Well Written Essays - 750 words
Essay2 - Essay Example It is saddening for me to watch an additional species disappear completely from the face of the earth because of factors that can be controlled (Bocedi et al 84). However, many of the suggestions that have been placed forth require human beings to be more cautious in the way they interact with the environment. This may mean that human beings need to maintain the natural state of the environment that can support the lives of other species. The greatest challenge of doing this is that human beings need to survive as well. Over the years, the human population has increased at alarming rates. This has served to confirm that human beings are reproductive. In order to sustain reproduction, human beings have to manipulate the environment so that it can favor them in different ways. The rapid climate changes occurring recently are attributable to such manipulations of the environment by human beings (Bocedi et al 85). This situation explains why it has proved difficult for me to define a specific solution that will ensure that different species survive and that human beings have the right amount of resources. After interacting with several sources that discuss the potential solutions to the ongoing climate changes that have threatened the survival of different species, I am compelled by the conviction that human beings can initiate a change. This is possible if they can limit the level of resource, they use on a daily basis. Innovation can serve to save some of the natural resources, preventing them from depletion. Human beings are well aware that natural resources are subject to depletion if not used in a sustainable manner. If only human beings were committed to saving natural resources, and maintaining balance in the natural cycle that ensures regular climatic patterns, then the ensuing problem would be solved effectively. There are potential benefits of this potential solution
Saturday, January 25, 2020
temperature on the activity of liver
temperature on the activity of liver Introduction: Catalase is a common enzyme found in living and it acts as a protective mechanism for delicate biochemical machinery of cells. The enzyme catalyzes the exothermic decomposition of hydrogen peroxide to water and oxygen. 2 H2O2 ââ â 2 H2O + O2 Hydrogen Peroxide is a by product produced by many living organisms during the process of metabolism. Hydrogen Peroxide is a very toxic substance (a power oxidizing agent) to cells and must be broken down in order to protect the cells from subsequent damage. Aim: The aim of the experiment is to investigate the effect of varying temperature has on the rate of enzyme catalyzed reaction. The focused reaction is the decomposition of hydrogen peroxide with the enzyme catalyze. The presence of catalase can be demonstrated by dropping a small piece of fresh liver tissue into dilute hydrogen peroxide solution. In this experiment, pieces of liver tissue will be put into different temperatures of water for 5 minutes. After that the liver tissues will be placed into separate solutions of hydrogen peroxide and the amount of oxygen gas produced in a minute will be measured using a gas syringe. Hypothesis: Temperature is a measurement of the degree of hotness or coldness of a body or environment. More specifically, it is a measure of kinetic energy in a sample of matter. On a molecular level, temperature is the result of motion of particles which make up a substance. As the temperature increases, the motion also increases. The motion may be due to external energy applied to the particle of internal energy from the vibration of the particle. As temperature is increased, molecules have increased active energy and reactions between them and the probability that the particles will collide with each other will also be greater, this increasing the rate of reaction. In chemical reactions, for every 10à °C rise in temperature, the rate of reaction approximately doubles. This property is known as the temperature coefficient of a chemical reaction. However in a enzyme catalyzed reaction the effect of temperature is more complex, for proteins change shape by heat. There are many factors that can affect the structure of a protein such as temperature and ph. When a protein is exposed to heat, it causes the atoms to vibrate violently, breaking and disturbing bonds within the protein, therefore changing the chemical characteristics of the protein. I hypothesize that as the temperature of the water bath that the liver tissue is exposed increases; the amount of oxygen gas liberated will also increase up. I believe that there will be an optimum temperature for the enzyme and going pass the optimum level will cause a drastic decrease in enzyme activity (less oxygen gas will be produced). Since catalase is found in almost all living things, including humans, I predict that the optimum temperature for catalase will be Variables: Independent Variable Temperature of water bath liver tissue is placed In (à °C) Dependant Variable Volume of oxygen produced in a minute (ml/min) Controlled Variable Concentration of the Hydrogen Peroxide Volume of Hydrogen Peroxide Mass of liver tissue The concentration of hydrogen peroxide must be kept constant because according to the Collision Theory proposed by Max Trautz and William Lewis in 1916 and 1918, increasing the concentration, increases the chances of particles hitting each other. The volume of hydrogen peroxide should also be kept constant. Increasing the volume of hydrogen peroxide increase the substrate concentration and thus increasing the rate of reaction. Finally the mass of liver tissue should also be kept constant to try control the amount of enzyme molecules present. Increasing the number of enzymes means there are more active sites present and substrate molecules do not have to ââ¬Å"queue upâ⬠for access to an active site. Ultimately increasing enzyme concentration can also result in an increase in rate of reaction therefore the mass of the liver tissue should also be controlled. Equipment: Equipment Quantity Notes Digital Stop Watch 1 Thermometer 1 à ± 0.5à °C Digital Balance to two decimal places 1 à ± 0.01g Conical Flask 7 250ml Beaker 1 500ml (for water bath) Gas Delivery Tube 1 Gas Syringe 1 à ±0.5ml Retort stand 1 Clamp 1 Boss 1 Bench Mat 2 Safety Goggles 1 Deionized Water Bottle 1 Packet of Ice 1 Used for temperature below 30à °C Matches 1 Used to light Bunsen Burner Chemicals -Dilute Hydrogen Peroxide H2O2 1 Concentration (2M) Volume (800ml) Safety Note: Eye protection should be worn at all times If liquid gets into eye, flood the eye with a gentle running tap for 10 minutes and seek medical attention If hydrogen peroxide is spilt in the lab, cover it with mineral absorbent. Dilute with water and wash liquid. Hydrogen peroxide should be stored in a dark brown bottle and care must be taken when removing the cap as it is possible that pressure may have built up inside it. Method: Draw up a suitable table or tables to record the results. Carefully cut 7 pieces of cow liver tissue using a knife and a cutting mat. Weigh each piece of liver tissue carefully on the electric balance. Make sure each liver tissue weighs roughly around 0.5 grams. Place each liver tissue into a separate boiling tube and add 40ml of deionized water to each boiling tube once the liver tissue is situated at the bottom of the boiling tube. Place the heating mat on the table with the tripod on top of the heating mat. Gently place the gauze on the tripod. Once this is done, place the beaker on the tripod and slowly heat up the water with a Bunsen burner. Place a boiling tube with a liver tissue sample into the water and put a thermometer in the tube. Heat the beaker until liver sample solution reaches 70à °C. Measure temperature of water with a thermometer. After that, carefully measure out 100ml of hydrogen peroxide with a measuring cylinder and transfer the solution to a 250ml conical flask. Connect one end of the gas delivery tube to the gas syringe and the other to the conical flask Remove the liver tissue from the boiling tube with a pair of tweezers and place it into the conical flask with the hydrogen peroxide. Quickly cork the conical flask once the liver tissue is dropped into the solution of hydrogen peroxide. Beginning timing the time once the liver tissue touches the hydrogen peroxide solution. Stop the stop watch after 1 minute and record the amount of gas produced. Read off the gas syringe. When the reading is taken, remove the cork and dispose of the hydrogen peroxide in the chemical waste container. Repeat the above steps until data points from 10à °C to 70à °C are recorded.. For readings below 30à °C, cool the liver tissue sample with an ice bath. Diagram: Results: Table of Results Volume of Gas Produced in a Minute (ml) Temperature (à °C) Trial 1 à ±0.5ml Trial 2 à ±0.5ml Trial 3 à ±0.5ml Averageà ±1 ml 20 32.0 33.0 35.0 33 30 40.0 36.0 41.0 39 40 45.0 47.0 50.0 47 50 54.0 52.0 54.0 53 60 63.0 60.0 65.0 63 70 43.0 37.0 40.0 40 80 4.0 2.0 4.0 3 Table 1.0 Raw Data Table 1.1 Qualitative Observations Temperature (à °C) Observations 20 Effervescene, gentle bubbling in solution 30 Effervescene, gentle bubbling in solution 40 Greater effervescence, more bubbling in solution 50 Vigorous effervescence and bubbling 60 Violent effervescene, violent liberation of gas, bubbling in solution 70 Effervescene, gentle bubbling in solution 80 Bubbling in solution Graph 1.0 Temperature and the Amount of Oxygen Liberated from Liver Tissue Sample Graph 1.0 The graph above shows the relationship between the temperature of the water bath the liver tissue sample was put it and the amount of oxygen gas liberated from the sample after dropping it in dilute hydrogen peroxide in 1 minute. The graph clearing shows that as the temperature increases, the amount of gas also increases up to 60à °C. From 60à °C onwards, the amount of oxygen gas produced decreases drastically and there is a downward slope of the curve. Discussion: From the data obtained, there is an increase of oxygen produced as the temperature of the water bath increases. This trend however only applies to the data points from 20-60à °C. At 70à °C however, there is a significant drop in the amount of oxygen gas produced and at 80à °C, the amount of oxygen gas produced is less than 5ml. From the graph, the relationship is clearly represented. Up to about 60à °C the amount of oxygen gas produced increases and ten-degree rise in temperature is accompanied by 6-7ml increases in oxygen gas produced. The amount of oxygen gas produced decrease at high temperatures as shown from 70-80à °C. So as the temperature rises, the amount of enzyme progressively decreases and the amount of gas produced is less. As a result of these two effects of heat on enzyme, there is an apparent temperature for an enzyme. Using the graph, the optimum temperature of catalase is approximately at 60à °C. The properties of a protein greatly depends on its three dimensional shape of the molecule. Exposure to heat causes the atoms to vibrate violently and this can cause bonds within the protein between different amino acid to break, resulting in a loss of the proteins biological properties. This is known as denaturation of a protein. Heating causes a proteins biological properties to change such as optical rotation, shape of active site and bonding. The active site of the enzyme is what defines the enzyme. If the active site changes, the substrate molecules will no longer fit the active site of the enzyme. This is shown in the diagram below. A proteins stability depends primary on the hydrophobic effects and to a lesser extent, by the interactions between polar residues and by other types of bonding. There are four levels of protein structure each playing a significant in the stability of the protein. The primary structure of a protein is the sequence of amino acid residues attached by peptide linkages. Proteins differ in the variety, number and the order if their constituent amino acids. Changes is just one specific amino acid in the sequence of a protein can alter a proteins property. The secondary structure of a protein develops when parts of the polypeptide chain take up a particular shape. The most common shapes are either coiling to form à ± helixes or into à ² sheets. The tertiary structure of a protein is the distinctive and precise structure, unique to that specific protein. This is usually the result of further folding and interactions within the molecule. The shape is held together permanently by four differ ent types of bonds: hydrogen bonding between hydroxyl and ketone functional groups, Van der Waals forces between neighboring atoms, disulphide bonds between two cysteine side chains and ionic bonds between oppositely charged ions. The stability of a protein is dependant of the balance of these three structures. Altering the balance of forces that maintains the native conformation of the protein will lead to denaturation. Conclusion: The hypothesis put forth before the experiment was correct. As the temperature of the water bath that the liver tissue is exposed increases; the amount of oxygen gas liberated will also increase up to a certain level. That level would be the optimum temperature of the enzyme and the optimum temperature of catalase deduced from the experiment is approximately 60à °C. Pass the optimum temperature, the amount of oxygen gas produced drastically decreases as the enzyme is starting to denature. At 80à °C, the enzyme is almost fully denatured and only a small amount of oxygen gas is produced. The literature value for the optimum temperature of catalase in human is about 37à °C which is the body temperature of a typical human being. The liver sample was taken from a cow and both cows and humans are able to regulate their own temperature. From this we can deduce that the optimum temperature of catalase for a cow should be roughly similar to a humans and somewhere around 37 -40à °C. The op timum temperature obtained from the experiment is 60à °C, this suggests that there may have been deviations or variations within the data. Limitation to Experiment: There are several limitations to our experiment to the experiment. One of the main limitations was controlling the temperature of the water baths. The temperature began to drop gradually once the boil tubes were placed into the beaker. This may have caused deviation and variations within the data. Another limitation was that the experiment was only repeated 3 times and there may still be room for anomalies and errors. Evaluation: As long as the temperature of the water baths were kept constant and the amount of gas produced was measured and read correctly, a good approximation of the optimum temperature of catalase in a cow can be found. However there are several key improvements that can be made. When the liver tissues were cut a lot was wasted and some of it got stuck to the spatula and to the top of the test tube. To compact the problem in the near future, the liver tissues stuck onto spatula could be washed off using a tiny amount of water or shook gently to try remove some of the liver tissue. The method for collected the oxygen gas could also have been improved. Some gas was lost due during the time it took me to insert the bung into the test tube. To minimize the amount of gas lost, have a partner put the bung on for you while you drop the liver tissue into the measuring cylinder. The temperature of the water baths started to drop after a few minutes and this may have lead to some slight deviation with in the data. In future make sure that the temperature of the water bath does not change too significantly. A slight modification would be to cover the beakers with a lid to prevent air from escaping. Another problem that arose during the experiment was keeping the temperatures of the water baths constant during tests and between trials. The problem was that different temperatures of liver samples were tested and it wouldnt be feasible to use a electronically controlled water bath to perform each test. The result was that a Bunsen burner was used but this creates several problems. It was extremely difficult to get exact temperatures and maintain them throughout the experiment. In future, the use of a heating plate would be more practical so as to prevent drastic changes in temperatures. To improve the experiment it may be better to use a solution of catalase rather than a liver as a source of catalase. By using a solution, the concentration and volume could be controlled and would be the whole experiment into a fairer test. Overall the results obtained have helped support the hypothesis put forth before the experiment. Finally the experiment could have been repeated a few more times so that a better average could be drawn from the data, resulting in a more reliable and accurate conclusion. References Clegg, C. J. (2007). Biology for the IB Diploma. London: Hodder Murray. Ophardt, C. E. (2003). Denaturation of Proteins. Retrieved January 3, 2009, from Elnhurst College Web site: http://www.elmhurst.edu/~chm/vchembook/568denaturation.html Roberts, M. B. (1986). Biology a functional approach (4th ed.). Canada: Nelson. Voet, D. J., Voet, J. G., Pratt, C. W. (2008). Principles of Biochemistry. NJ: Jon Wiley Sons, Inc.
Friday, January 17, 2020
Psychology Genogram Essay
The paper will discuss reasons that motivation will be important while during service How do you define motivation? Most dictionaries define motivation as taking action or moving. Motivation to most people is the ability to go beyond self and push you to accomplish certain goals and desires. There must be a driving force that initiates certain behaviors when you define motivation. Motivation takes an inner resolve to make a change or to get something done in order to achieve it. There are different types of motivation that would define motivation in a broader way. A few that can be mentioned are self-motivation, achievement motivation, and attitude motivation. Self-motivation is what most people use to define motivation at its highest peak of accomplishments. If you are able to motivate yourself and reach your goals, you would have conquered the ability to be disciplined and will accomplish anything you put your mind to. The key to becoming self-motivated is persistence. Persistence is the ability to stay focused despite any challenges. It requires an inner resolve to step outside of self and find something from deep within that you may not have known was even there. Motivation is very important to all decisions that you have to make. Without the ability to define motivation and how you can make it work for you, then your life will be an endless drama of going around in circles. The following paper will discuss ways to motivation or to serve others and exploring reasons for service. Motivation helps you start. One of the first steps to success is simply to start. Unfortunately, itââ¬â¢s often not easy to start. The task may seem too big to handle. The difficulties may seem too many. Or perhaps youââ¬â¢re just plain lazy. Whatever it is, you need something to help you start and that is where your motivation comes into play. When you are motivated, you will naturally want to start. Starting doesnââ¬â¢t feel difficult because you want it. This way starting will feel effortless and you will be ahead of many people who find it difficult to even start.
Thursday, January 9, 2020
International Aids Vaccine Initiative ( Iavi ) - 900 Words
International AIDS Vaccine Initiative According to International AIDS Vaccine Initiative (IAVI) (2016) in 1983, scientists and researchers discovered that human immunodeficiency virus (HIV) directly causes the immunodeficiency syndrome (AIDS). Unfortunately, over 40 million of people worldwide have died due to AIDS and other complications relating to AIDS (IAVI, 2016). HIV and AIDS have spread over the world in drastic speed and caused one of the most destructive pandemics ever recorded throughout history. Despite the advancements and availability, yet very expensive antiretroviral treatments available, fifteen million of people are currently living with HIV (IAVI, 2016). Fortunately, the total yearly count of AIDS-related deaths and number of new HIV infections has declined in the last decade (IAVI, 2016). However, much more technological, medicinal and research advancements need to be developed in order to address this destructive virus. The International AIDS Vaccine Initiative (IAVI) is a comprehensive worldwide not-for-profit organization with a goal of certifying the progress and creation of a safe, successful, accessible, preventative HIV vaccines for available worldwide use (IAVI, 2016). History of IAVI By the 1990s, the epidemic of HIV and AIDS was sweeping across Africa and other underdeveloped countries. By this period, the virus has taken hundreds of thousands of lives of adults and also small children. By the year of 1994, approximately for a decadeShow MoreRelatedMergers Acquisitions in Pharma Industry21425 Words à |à 86 PagesPROJECT REPORT ON A Successful International Merger in India: GlaxoSmithKline pharmaceutical industry Table of Contents: Declaration Abstract Part I ââ¬âIntroduction Research Objective and justifications Report Outline Part-II Industry DescriptionRead MoreThe History of Vaccines and Immunization4179 Words à |à 17 PagesThe History Of Vaccines And Immunization: Familiar Patterns, New Challenges Alexandra Minna Stern and Howard Markel Abstract Human beings have benefited from vaccines for more than two centuries. Yet the pathway to effective vaccines has been neither neat nor direct. This paper explores the history of vaccines and immunization, beginning with Edward Jennerââ¬â¢s creation of the worldââ¬â¢s first vaccine for smallpox in the 1790s. We then demonstrate that many of the issues salient in Jennerââ¬â¢s eraââ¬âsuch
Wednesday, January 1, 2020
Manager - 1838 Words
Managerial accounting is primarily concerned with the organization as a whole rather than with segments of the organization. - false | | Direct material cost combined with manufacturing overhead cost is known as conversion cost. -true The cost of shipping parts from a supplier is considered a product cost. |[pic] |True | |[pic] |False | |The inventory of finished goods on hand at the end of a period is considered an asset, but inventories of raw materials and | |work-in-process are not considered assets until production is completed.false | Differential costs can be either fixed or variable. true |Gabrisch Inc. is a merchandisingâ⬠¦show more contentâ⬠¦| |[pic] |True | |[pic] |False | |Managing and sustaining product diversity requires many more overhead resources such as production schedulers and product design | |engineers. The costs of these resources can be accurately allocated to products on the basis of direct labor-hours. | |[pic] |True | |[pic] |False | |The activity rates in activity-based costing are computed by dividing the direct labor-hours for an activity cost pool by the measure of | |activity for the activity cost pool. | |[pic] |True | |[pic] |False | |In activity-based costing, Work in Process is credited when overhead is applied to products using activity rates. | |[pic] |True | |[pic] |False | |In activity-based costing, unit product costs computed for external financial reports include only: | |[pic] |direct materials and manufacturing overhead. | |[pic] |direct labor and manufacturing overhead. | |[pic] |direct materials, direct labor, andShow MoreRelatedWhat Is A Successful Manager?1734 Words à |à 7 Pagesis a successful manager? Is it one that can lead their company to thrive, or is it a manger that can rally the employees to provide quality work? 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In this activity, the participants are given name tags where they are asked to write personality types and after doing that are asked to put them on the back of their colleagues where they will be able to see every ones tag except theirs. Nobody
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