Thursday, August 27, 2020

Wheat Gluten Protein Analysis

Wheat Gluten Protein Analysis Wheat is one of the most significant grain yields and its final results like breads, noodles, pasta and other prepared items are devoured universally and have become staple eating routine. The viscoelastic properties of wheat mixture are essentially reliant upon the cooperation of gluten proteins. Gluten proteins comprise of gliadins, which give gooey property to wheat mixture, and glutenins, which contribute towards versatility of the batter (Ciaffi et al., 1996). Capacity protein statement is influenced by natural conditions during the grain improvement period (Randall Moss, 1990; Lukow McVetty, 1991). For controlling the variety in wheat flour, it is basic that the administrative components liable for arrangement, collapsing and polymerization of gluten proteins ought to be considered. In nature, collapsing of proteins is interceded by a variety of proteins that go about as sub-atomic chaperones or foldases (Fischer and Schmid, 1999). The wheat gluten proteins are proline rich (10-30%) (Van-Dijk et al., 1997) and about 6% of all Xaa-Pro (Xaa: other cumbersome amino gatherings going before proline) peptide bonds show the cis compliance. Peptidyl prolyl cis-trans isomerases (PPIases) are the main chemicals known to catalyze cis-trans isomerisation of peptidyl prolyl securities which is a rate-constraining advance in protein collapsing (Fischer et al., 1989). Understanding the job of PPIases in gluten protein affidavit in wheat could help in creating techniques for controlling the capacity proteins wanted for various food items by reproducing or potentially hereditary designing systems. Peptidyl-prolyl cis-trans isomerases include three particular classes of proteins-cyclophilins, which tie to the immunosuppressive medication cyclosporin A (CsA) (Handshumacher et al., 1984); FK506-restricting proteins (FKBPs), which tie the macrolide drugs FK506 and rapamycin (Harding et al., 1989); and the parvulin family (Dolonski and Heitman, 1997). Because of their medication restricting exercises, cyclophilins and FKBPs are otherwise called immunophilins. The FKBPs are saved in all creatures from prokaryotes to higher plants and warm blooded creatures (Gasser et al., 1990). Rice genome is accounted for to contain biggest number of FKBP individuals (Ahn et al., 2010). FKBPs, next to collapsing of proteins, are additionally engaged with numerous other cell procedures, for example, cell flagging (Luan et al., 1998), protein complex arrangement (Pratt and Toft, 1997; Reynold et al., 1999), guideline of plant development and advancement (Geisler et al., 2004), stress reaction (Kurek et al., 1999; Yu et al., 2012) and in redox control of photosynthesis (Gupta et al., 2002; Gopalan et al., 2004). Two multidomain FKBPs, FKBP73 and FKBP77, were cloned prior from wheat (Avezier et al., 1998). These proteins were additionally shown to assume job in signal transduction through their collaboration with mammalian p23 and plant HSP90 (Owens-Grillo et al., 1996; Reddy et al., 1998). As of late, qualities encoding three single-area wheat FKBPs, TaFKBP13, TaFKBP16-1 and TaFKBP16-3 were cloned and portrayed by Gollan et al. (2011). TaFKBP13 was the first dynamic lumenal FKBP announced in quite a while, though, TaFKBP16-1 and TaFKBP16-3 didn't show any PPIase movement (Gollan et al., 2011). These FKBPs were additionally embroiled in get together of photosytem edifices and thylakoid film buildings (Gollan et al., 2011). It is clear that data on FKBPs which have been cloned and portrayed from wheat is restricted (Aviezer et al., 1998; Bhave et al., 2011). Further, their job in gluten protein affidavit has likewise not been investigated so far. Along these lines, the current examination was done with the accompanying goals. To dissect contrasts in affidavit of gluten stockpiling protein in grains at various phases of improvement in Indian wheat cultivars having shifted protein content. Formative changes altogether PPIase action and its relationship with capacity protein testimony. To examine the commitment of cyclophilins and FKBPs towards complete PPIase movement in creating grains by hindrance tests utilizing cyclosporin An and FK506 as explicit inhibitors, individually. Cloning and portrayal of FKBP qualities and their appearance investigation. Notable discoveries of the examination Distinctive hexaploid wheat (Triticum aestivum) cultivars (GLUPRO, LOKI, HPW89), which differed in their protein content, were chosen for this examination. The grains were reaped at various phases of improvement viz. 8, 12, 16, 20, 25 days post anthesis (DPA) and development. The segregation and partition of various stockpiling protein portions from the wheat grains represent a test because of their cross tainting. Along these lines, various strategies, which were accounted for before by Osborne (1924) and Fu and Saperstein (1996) were attempted. These strategies didn't bring about disengagement of unadulterated divisions of gliadins and glutenins from the grains of cultivars utilized in this examination. In any case, the technique announced by DuPont (2005) brought about most elevated recuperation of various protein portions with negligible cross-defilement. The diminishing SDS-PAGE investigation exhibited that the collection of gliadins in the cultivars of wheat remembered for this examination was influenced by the formative phase of the grain. Present examination additionally exhibited that gathering of high sub-atomic weight subunits of glutenins (HMW-GSs) was likewise cultivar-and stage subordinate. The profile of high atomic weight subunits of glutenins (LMW-GSs) was not modified fundamentally after 16 DPA in any of the three cultivars. In spite of gliadins and glutenins, the albumins in the current investigation didn't show any noteworthy between cultivar changeability. Further, the collection of albumins in all the three cultivars began after 12 DPA and expanded up to development. The various albumins may comprise of proteins engaged with significant cell capacities like protein collapsing, plant guard system, stress reaction, and so forth. (Merlino et al., 2009) and, subsequently, must be moderated in nature, which clarifies the absence of intercultivar variety in the three cultivars broke down in this investigation. Formative guideline of PPIases in wheat grains has been accounted for cyclophilin (Grimwade et al., 1996) and FKBP73 (Aviezer et al., 1998) at transcript and protein level, individually. Articulation investigations of PPIases at action level are anyway missing additionally significant in light of the fact that the transcript levels may not generally finish in more elevated levels of protein or movement because of post-transcriptional guideline (Arnholdt-Schmitt, 2004). Along these lines, to clarify the job of PPIase qualities in gathering of capacity proteins in wheat grain, PPIase measures were performed by utilizing rough protein concentrate of creating grains, and movement was evaluated by a coupled chemical examine technique utilizing chymotrypsin for cutting the test peptide N-succinyl-ala-ala-expert phe-p-nitroanilidine (Fischer et al., 1984). Head Component Analysis (PCA) uncovered that PPIase movement in cvs. HPW 89 and GLUPRO was identified with the collection of gliadins. T he nearness of PPIase movement at various phases of grain advancement in all the cultivars and its nearby relationship with capacity proteins demonstrated that these enzyme(s) might be assuming a significant job in testimony of capacity proteins in wheat. PPIase movement of FKBPs and cyclophilins is restrained by immunosuppressant drugs FK506 and CsA, individually (Harding et al., 1989). Since no cross hindrance by the two medications is accounted for (Harding et al., 1989), we, consequently, utilized CsA and FK506 as explicit inhibitors to decide the commitment of these two classes of proteins to add up to grain PPIase action. Aside from at 25 DPA in LOK I, the PPIase action at all phases of grain improvement in the three cultivars was absolutely restrained by CsA. These perceptions, subsequently, propose that PPIase action in the grains, aside from at 25 DPA in LOK-1, was basically due to cyclophilins. Since FK506-inhibitable action in the rough protein concentrates of the three cultivars was irrelevant, along these lines, to additionally explore the purpose behind this perception, cloning of FKBP qualities, which are communicated in the creating grains, was endeavored. Succession of a functioning FKBP type-1 area of wFKBP73 (increa se number X86903.1) including 95 (50-145) amino corrosive (a.a.) buildups (Blecher et al., 1996) was utilized as an inquiry, which brought about distinguishing proof of several diverse putative FKBP arrangements in T. aestivum. These arrangements were recovered from NCBI and exposed to TBLASTn utilizing TIGR Plant Transcript Assemblies database (TADB; http://plantta.jcvi.org/) for wheat. Of the few recovered arrangements from TIGR, three unique cDNAs, TaFKBP15-1, TaFKBP16-1 and TaFKBP20-1, which demonstrated longest open understanding edge (ORFs), were chosen for cloning utilizing the RNA separated from the creating grains gathered at 16 DPA. The examination effectively brought about cloning of three FKBP qualities from Indian wheat. Bioinformatics investigation of the cloned cDNAs uncovered that TaFKBP16-1 comprises of an ORF of 408 bp encoding a protein of 135 a.a. buildups with sub-atomic weight (M.W.) and pI of 15.26 kDa and 5.75, separately. The 561 bp and 477 bp ORFs of TaFKBP 20-1 and TaFKBP15-1, separately, were anticipated to encode proteins of 186 and 157 a.a. deposits, separately, with M.W. what's more, pI of 19.95 kDa and 6.77, and 16.61 kDa and 8.96, separately. In silico examination of a.a. successions of the cloned TaFKBP20-1, TaFKBP16-1 and TaFKBP15-1 uncovered that the FKBP spaces design, however saved in these proteins, likewise show fluctuation saw in their auxiliary structures. Further, investigation of sign peptide utilizing distinctive online instruments anticipated confinement of TaFKBP20-1, TaFKBP16-1 and TaFKBP15-1 to core, conceivably cytosol and ER, individually. Contrasted with human homologue, hFKBP12, both TaFKBP15-1 and TaFKBP20-1 demonstrated nearness of all the fundamental buildups (Y26, F36, F46, W59, Y82 and F99) required for PPIase movement, when contrasted with just three (Y26, Y82 and F99)

Saturday, August 22, 2020

Indira Gandhi essays

Indira Gandhi expositions Indira Nehru Gandhi was conceived on November 19, 1917 in her granddad's home in Allahabad, in northern India. She was destined to Jawaharlal Nehru ( father ) and Kamala Kaul ( mother ). The Independence development filled youthful Indira's life. One of her soonest political recollections was one of going to court at age four. Being the lone offspring of the family, her youth was to some degree desolate. Indiras political vocation began at age of 12. She was the originator and pioneer of the Monkey Brigade, which was a gathering of youths whose intention was to help end British control in India. As the pioneer she transferred data to the offspring of the gathering who at that point went out and cautioned the individuals who would have been captured by the British. The Indian National Congress was very much aware of the Monkey Brigade, and one of the most significant activities of the Monkey Brigade was done by Indira herself. The Congress was arranging a common insubordination development and after the gathering all the papers with the plans were set into the storage compartment of a vehicle which Indira was told to drive. Before the vehicle was prepared notwithstanding, a cop requested to review the vehicle. Indira implored him not to in light of the fact that the investigation would make her behind schedule for school. Fortunately, the cop let her go. In the year, of 1938 Indira joined the National congress party. In 1942, Indira was joyfully hitched to Feroze Gandhi, a writer. Not long after their marriage, they were sent to Naini Central Jail in Allahabad from September 11, 1942 until May 13, 1943. This was her solitary time spent in jail. At the point when her mom had passed on in 1936 Indira accepting her spot as master and associate to her dad, and made a trip with him to meet popular political figures during his years as Prime Minister of India. In 1959, while as yet helping her dad, Indira was chosen the leader of the Indian National Congress. After her dads passing in 1964, Lal Bahadur Shastri bec... <!

Friday, August 21, 2020

Race and Ethnicity Essay Topics That Are Best For You

Race and Ethnicity Essay Topics That Are Best For YouWhen writing your race and ethnicity essay, you should ensure that you're doing it correctly. There are several race and ethnicity essay topics that you can use to make this article. Some of the topics you might consider include 'Other People,' 'Race,' and 'Ethnicity.' These are the most common race and ethnicity essay topics and they can give you ideas on what topic to use and how to frame your essay.The main tip in writing your essay is to know your audience. You don't want to bore them with information because this will most likely lead to them just skipping it. When you come up with a topic, ensure that you know how you're going to convey information to them so that they will want to read your essay.An interesting part about race and ethnicity is the use of different terms. There are different words that describe people based on their ethnic background. For example, there are the 'Anglo-Saxons' and the 'Germanic' people, and ot hers. If you need to talk about these things, you need to be sure that you choose the right terms for each race or ethnicity that you want to include.It's important that you speak from your own feelings when writing your essay. Do not use anyone else's opinions when you are writing about race and ethnicity. The truth is that other people have different perspectives and this is why it's best to talk about your personal experiences so that you can relate to them.There are many individuals who are of European descent, but are of mixed race. They feel that they are not European, because their ancestors were from a European heritage. When you write an essay about race and ethnicity, you need to make sure that you're speaking from your own perspective and not someone else's.When you are looking at race and ethnicity, it's important that you look at the differences in people's bodies, as well as their differences in body types. When you are looking at people in general, you see them as one thing, but when you look at a race, you see them in the light of different races. You also need to take into consideration their skin color and skin texture so that you can put all of them into perspective.While some people see all of them as one race, others see them as different races. In addition, some people believe that the characteristics of the race are a part of the people themselves. This is something that is very important to look at. Knowing this will help you communicate with them better.Race and ethnicity essay topics are just a small part of the many that you can choose from. You need to be sure that you're choosing one that is best for you and that you can relate to. Be sure to consider all of the reasons why the topics are used, the points that are brought up, and the audience that you are writing for before you write.

Tuesday, May 26, 2020

My Subject Choice Is The Bengal Tiger - 1042 Words

My subject choice is the Bengal Tiger. Exploring social media platforms such as Facebook and You Tube turned up some extremely valuable and reliable information on my subject. I also stumbled upon Google + which really opened up my eyes as I have never used this social media site before. Facebook lead me to Organisational sites that enabled me to uncover detailed information, not only on my subject but on the Authors and other supporting Organisations for my subject. Within the Facebook site I reviewed, there were well over 1,000,000 likes and more than 13,000 visitors. The page is updated on a daily basis, with visitors posting directly to their page with questions and support. I found the page to be very uplifting and easy to navigate. Social constructivism was evident as users were sharing their knowledge whilst also learning from others. I found it to be like a community of people with the same interest. The page had direct links to web pages so users could click and continue th eir exploration via their website. This made the learning process very easy and flexible, as the website followed up with more detailed information, videos and pictures. The social interaction between users was very supportive and encouraging, with each sharing their own experiences and knowledge they had acquired through their experiences. I found the Social Constructivism on the page to be very fluid in the way people shared and acquired new information, with so many different points of viewsShow MoreRelatedFaith in the Life of Pi1472 Words   |  6 PagesFaith in the Life of Pi  ¶When it comes to a battered subject such as faith, one could arguably say that faith is one of the most highly discussed and highly controversial subjects amongst humans all over the world. I, myself, have never really been much of a religious person during my life. My father was raised in a very Jewish household where he attended Hebrew school, celebrated Passover and Hanukkah every year and ate kosher meals. My mother was raised as a Christian, although I’m not too sureRead More Myanmar: A Nation in Crisis Essay5123 Words   |  21 Pagesbrought with them cultural traditions stemming from India. The Mon, at around 3000 B.C., were the first people to come. They established centers of settlement in central Myanmar, in the Irrawaddy delta, and farther down the eastern coast of the Bay of Bengal. They developed farming and irrigation systems, and they kept ties with India as well as other Mon settlements. The Burmese entered the Irrawaddy River valley in the mid-9th centur y, eventually absorbing the nearby Pyu and Mon communities. The ShanRead MoreAn Analysis Of Data Serviceability Of Airtel Service Essay8863 Words   |  36 PagesBusiness Administration, University of Dhaka June 17, 2015 i LETTER OF TRANSMITTAL June 17, 2015 Homayara Latifa Ahmed Chairperson IBA Career Centre University of Dhaka Dear Madam, Subject: Submission of Internship Report on ‘An Analysis Of Data Serviceability Of Airtel Service Points’ This letter is regarding the submission of my internship report, submitted as part of the requirements for completing the internship as part of the requirements for completing the BBA program at the Institute of BusinessRead MoreI Love Reading Essay69689 Words   |  279 PagesNKC acknowledges the logistical assistance and organizational support provided by the following: Ms. Manasi Phadke at the Mahratta Chamber of Commerce, Industry and Agriculture (MCCIA) in Pune; Mr. Khokon Mukhopadhyaya and Mr. Somnath Goswami at the Bengal Chamber of Commerce and Industry (BCCI) in Kolkata; Ms. K Savita (CII- Chennai); Mr. Malay Kantharia, Gujarat Chamber of Commerce and Industry (GCCI) in Ahmedabad; Mr. K.V.R.L.N. Sarma at the Federation of Andhra Pradesh Chambers of Commerce and IndustryRead MoreOne Significant Change That Has Occurred in the World Between 1900 and 2005. Explain the Impact This Change Has Made on Our Lives and Why It Is an Important Change.163893 Words   |  656 Pages tre ats the two wars and their prehistory and aftermaths as genuinely global phenomena, not as conflicts among the great powers of Europe, the United States, and Japan, which has been the obsessive focus of most of the vast literature on this subject that defined much of twentieth-century history. As Carl Guarneri argues cogently in his contribution to the collection, which provides the fullest bibliographic references, the emergence of the United States first as one of the world powers inRead MoreCase 29 Panera Bread Company: Rising Fortunes?25159 Words   |  101 Pagesexperience for everyone. Simply by providing telecommunication connectivity to remote and rural communities, we can drastically improve people’s lives. But our reach goes further than that. We can offer better products and services to customers who have a choice of service providers. We can build and develop the communities in which we operate, through our Cyberkids Programme initiatives and scholarships. And, we take very seriously our responsibility to positively influence our supply chain so that it is

Friday, May 15, 2020

Wuthering Heights By Emily Bronte - 2099 Words

1. In Emily Brontà «Ã¢â‚¬â„¢s Wuthering Heights, Catherine Earnshaw tells Nelly Deane that ‘[i]t would degrade me to marry Heathcliff’ (p. 94). How far is Catherine’s marriage choice in Wuthering Heights influenced by the patriarchal attitudes and gender conventions of her society? In Emily Bronte’s Wuthering Heights, Catherine’s marriage choice is heavily influenced by the patriarchal attitudes and gender conventions of her society. During 19th century Britain, the ideology of separate spheres for men and woman was most commonly accepted. Women were submissive to men and were generally expected to fulfil their responsibilities entirely as a wife. In these times, power and status could only be obtained from the possession of money and land. It†¦show more content†¦For this reason, those with higher social status treated Heathcliff indifferently. Heathcliff is characterised as devilish and is cruelly referred to as â€Å"it† in the Earnshaw household. He is often referred to as a â€Å"gipsy† throughout the novel by other characters. Gypsies fascinated Victorian England, they were thought of as objects of discrimination because their travelling lifestyle made them people without a nation or land. It was a term used to descri be the individuals who were severely poor and misfortunate, such as Heathcliff. He is also discriminated against because of his appearance; his notably dark skin compels other characters to differentiate themselves from him as superiors. Catherine’s life is shaped by her lack of independence and her inability to gain control. She is entirely dependent on the dominant male figures in her life that guard her freedom. She is confined by the limitations that are set in place by men, unable to defy their power. Rebelling in such a way would threaten her position within the household that she lives and potentially ruin her respectable reputation. This dismissal and rejection by men would eventually lead to Catherine’s death, which becomes evident in her later decision to challenge her assigned role in the hierarchy of gender. As a young child, Catherine and Heathcliff spent a lot of time together; they were practically

Wednesday, May 6, 2020

Abraham Maslow and the Self-Actualization Theory - 2040 Words

Abraham Maslow was a man who has a tremendous influence on early childhood education. Maslow’s theory was about achieving self-actualization with the satisfaction of human needs. According to Maslow’s theory basic needs have to be satisfied before any other higher level needs can be satisfied. â€Å"Abraham Maslow proposed what has become an almost definitive model of self-actualization with his theory of hierarchy of needs.† (Hanley, Abell, 2002). The hierarchy consists of five different levels. The five levels are life essentials, safety and security, belonging and love, achievement and prestige, and aesthetic needs. It is important for the first level to be fully satisfied before the next can begin. I will discuss three of these†¦show more content†¦If a child does not have anything to bring, the teacher should provide what they want to talk about, as long as it is within means. Another thing that is important to helping the child feel love and belong ing is to teach the children to love themselves and the other students. We have all at one time been told by an adult to stop arguing. Something that will help with this is to have a classroom discussion at the beginning of the school year about how to treat others. In this class discussion the children should be taught what it means to love and treat others with respect. To help the children understand what it means to love and the sense of belonging, you can have the children do a project about how they feel when they are treated a certain way. I have seen children perform a skit where they have to have someone treat them bad and show their true emotions. By doing this the children learn not to mistreat others because they learn how it feels. Another project the students can do is to have to do a project where they have to show how they feel when they are treated different ways. Many times a friend or family will provide a sense of belongingness. This will help the children become a leader or follower. Either way the child will feel like they belong and have friends. These needs are often satisfied by interacting with different people and making friends. Children need to know the importanceShow MoreRelated Abraham Maslow on Self-Actualization, Motivation and Humanistic Theory2428 Words   |  10 Pagesmust paint, and poets must write if they are to be ultimately at peace with themselves. What human beings can be, they must be. They must be true to their own nature. This need we may call self-actualization† Abraham Maslow. http://toolstolife.com/articles/Abraham-Maslow-s-Self-Actualizer-380 Self- Actualization rests at the pinnacle of Maslow’s Hierarchy of Needs. Before reaching that pinnacle, the human being rises through the various strata of motivation beginning with the basic needs to surviveRead MoreAbraham Maslow s Theory Of Self Actualization901 Words   |  4 Pagesa man named Abraham Maslow. Maslow was an American psychologist who developed a pyramidal hierarchy of needs. At the base of his pyramid, Abraham Maslow placed the basic â€Å"physiological needs† such as: food, water, and sleep. The next layer of his pyramid was â€Å"safety†, which was followed by â€Å"love/belonging†, and then â€Å"esteem†. Although, my interest truly began when I reached the very top of the pyramid which was labeled â€Å"self-actualization†. Self-actualization was the term Maslow used to describeRead MoreHumanistic Theories Debate On Abraham Maslow And Carl Rogers1617 Words   |  7 PagesHumanistic Theories Debate Team B – Anthony Garcia, Becky Billison, Cher Keen, Britanie McKernan, Megan Groulx PSY/310 September 7, 2015 Dr. Sadie Fine â€Æ' Humanistic Theories Debate In the debate between Abraham Maslow and Carl Rogers, both whom are humanistic theorists that share a mutual interest in the teachings of self-actualization, will discuss the specifics of their individual theories regarding the main points, their contributions, and the criticism they have received about their theories. We willRead MoreMaslows Theory1321 Words   |  6 PagesBiography Abraham Harold Maslow, the founder of humanistic psychology, was born in New York City on April 1, 1908 and died at home in California in 1970 (Maslow, Abraham Hutchinson Encyclopedia of Biography, 2010) (Abraham H. Maslow: a Bibliography: Professional biography, 1970). He received his AB, MA, and PhD in psychology from the University of Wisconsin (1970). His work as a United States (U.S.) psychologist started in 1932 after he started working as a teaching fellow (1970). Maslow also taughtRead MoreMaslow s Theory Of Self Actualization772 Words   |  4 PagesIntroduction: The theory of self-actualization was introduced by psychologist Abraham Maslow. Maslow s famous work â€Å"Hierarchy of Needs† has drawn admiration and criticisms from supporters and opponents alike. For Maslow, man quest for self-actualization falls within five hierarchical orders set up in a pyramid style. To become everything that one is capable of becoming, Maslow, noted that the order in which these needs are fulfilled does not always follow the standard progression. FurtherRead MoreExamining Abraham Maslow and Carl Rogers Theories863 Words   |  3 PagesI hereby will be focusing on Humanistic Perspectives by examining Abraham Maslow and Carl Rogers’s theories. I will examine their theories, by starting with Carl Rogers’s theory then Abraham Maslow’s theory. I will also evaluate the human perspectives and apply Abraham Maslow’s theory to my own life. Roger’s Person-centred Carl Roger was one of the founders of human potential movement, he agreed with the main assumptions of Maslow but he added that for an individual to grow they need an environmentRead MoreEssay on Maslow Hierarchy of Needs1486 Words   |  6 PagesThe Study of Maslow Hierarchy of Needs This essay study is about Maslows school of thought. Maslows hierarchy of needs is often depicted as a pyramid consisting of five levels. I liked the way he differed from traditional psychologists. For example, he studied happy, high performing people to learn more about what they had in common. Maslows main contributions to psychology were the founding of the Journal of Humanistic Psychology in 1961. There were many occurrences during his lifetime thatRead MoreDescription in Detail of the Humanistic Theories by Rogers and Maslow1517 Words   |  7 Pagesperson-centred theory and Abraham Maslow who has developed a hierarchy of needs, where he emphasized on self-actualization. There is an evaluation on both Rogers and Maslow theories, on how they are based on their own assumptions and views, and I apply Maslow’s theory of self-actualization into my own personal life. 2. Description in detail of the Humanistic theories by Rogers (person-centred) and Maslow (self-actualization) and the evaluation of both theories. 2.1 Rogers (person-centred theory) humanisticRead MoreAbraham Maslows Hierarchy of Needs Theory Essay1019 Words   |  5 PagesAbraham Maslows Hierarchy of Needs Theory Abraham Maslows Hierarchy of Needs is one of the first theories of motivation and probably the best-known one. It was first presented in 1943. in Dr. Abraham Maslow’s article A Theory of Human Motivation in Psychological Review, and was further expanded in his book â€Å"Toward a Psychology of Being†. Maslow tried to formulate a needs-based framework of human motivation. His research was based upon his clinical experiences with humans, rather than priorRead MoreAbraham s Theory Of Behaviorism1573 Words   |  7 PagesAbraham Harold Maslow was born on April 1, 1908 in Brooklyn, New York. He was the first born to his parents, Samuel and Rose Maslow. He was a lonely and unhappy Jewish boy who spent most of his time in the library and among books as a means of comfort and refuge. However, in 1925 at the age of 17 he enrolled at the City College of New York. In 1926, he registered for evening classes at the Brooklyn Law School, then transferred to Cornell University in Ithaca, New York in 1927. In 1928, he transferred

Tuesday, May 5, 2020

Effects of Temperature on Cell Membranes free essay sample

Cut each core into 2 cm sections until you have enough for one core for each temperature of water bath that you will be using. Put your 2 cm sections into a test tube with plenty of distilled water. b. Label a set of test tubes (one for each temperature of water bath) with the temperature and your initials. Add exactly 5 cm3 of distilled water to each test tube and place your tubes, one in each water bath, for 5 minutes to equilibrate to the temperature of the water bath. c. Remove your beetroot cores from the distilled water and blot gently on a paper towel. Decide whether forceps or mounted needles are best for handling the tissue and what damage this might cause to the cores. d. Place one 2 cm beetroot core into each of your test tubes and leave in the water bath for 30 minutes. e. After 30 minutes, shake the test tubes gently to make sure any pigment is well-mixed into the water, then remove the beetroot cores. We will write a custom essay sample on Effects of Temperature on Cell Membranes or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page f. Describe the depth of colour in each test tube. A piece of white card behind the tubes will make this easier to see. Arrange the tubes in order of temperature of the water bath. Describe any relationship between the amount of pigment released from the beetroot and the temperature. g. If you have access to a colorimeter, set it to respond to a blue/ green filter (or wavelength of 530 nm) and note whether you are measuring absorbance or transmission. Check the colorimeter reading for distilled water. h. Note the results for each tube and plot a graph of absorbance (or transmission) against temperature. Describe any trends or patterns in your results. QUESTIONS 1. Describe what happens when you trim the beetroot cores and place the 2 cm sections in distilled water. Use what you know of plant tissue structure to explain this observation. What does it tell you about where the pigment is located in the plant cells? Make a hypothesis about the effect of temperature on the plant cells and predict the amount of betalain that will leak from the cells at different temperatures. 2. Evaluate the method for this investigation. Think about which factors have been controlled to make it a fair test. Consider whether any factor other than temperature could be responsible for the colour leaking from the beetroot cores. Do you think this experiment will give you valid results? Describe how you could improve the experiment to give more reliable (or more valid) results. 3. What is the relationship between the amount of pigment released from the beetroot and the temperature? 4. Plan an investigation to investigate why handling raw red cabbage does not stain your fingers very much, but handling pickled cabbage does. ANSWERS 1. Dark purple pigment leaks from the cut ends of the beetroot for a while and then stops. Plant cells are surrounded by cellulose cell walls. When you cut through a piece of plant tissue, you cut through some of the cell walls and rupture the cell contents. The pigment then leaks out. The fact that it does not continue to leak suggests that further cells are not being damaged. If the beetroot tissue is treated with increasing temperatures, as the temperature rises, the phospholipid bilayer of the cell-surface membrane and the vacuole membrane will be disrupted. This means that the vacuole contents will more readily leak into the water in the test tube. The higher the temperature, the greater the disruption to the plasma membranes and the more pigment will leak out in 30 minutes. 2. The factors controlled in this test are the ones that are the same from one group to another – the size of the beetroot cores (their surface area and volume), the advance treatment of the beetroot cores, the volume of water in the test tubes, the pre-heating (or chilling) of the water in the test tubes using the water baths, the length of time the cores spend in the water baths, the treatment of the cores after heating. The experiment could be made more reliable by using more samples of beetroot, and by maintaining the temperature with thermostatically-controlled water baths. 3. The higher the temperature, the greater the amount of pigment released from the tissues.