Students arrive at a library reference desk at an average rate of 15.pdf

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Students arrive at a library reference desk at an average rate of 15 per hour. Assume Poisson arrivals. What is the probability that NO MORE THAN 2 students arrive in 30 minutes? Solution mean for one hour = 15/hour mean for 30 min = 15/2 = 7.5 student/30 min lamda = 7.5 P(x=r) = e^(-lamda) * lamda^r / r! P(x<2) = P(x=0) + P(x=1) P(x<2) = e^(-7.5) * 7.5^0 / 0! + e^(-7.5) * 7.5^1 / 1! P(x<2) = 0.004701.

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How are the xylem and phloem arranged in a eudicot root? A. the xylem is at the center of the root, surrounded by several phloems B. eudicots do not have xylem and phloem in the roots C. the xylem is at the periphery of the root, whereas the phloem is in the center of the root D. xylem and phloem are arranged in rings in the periphery of the root Solution Answer: A. the xylem is at the center of the root, surrounded by several phloems Explanation: Monocot roots, interestingly, have their vascular bundles arranged in a ring. Dicot roots have their xylem in the center of the root and phloem outside the xylem. A carrot is an example of a dicot root..

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Graph 1 Annual growth () of national output 25 20 15 15 10 0 So.pdf

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Explain why Drosophila are often used as model organisms in the study of genetics: Solution Drosophila melanogaster or fruit flies have about 75 of the genes that causes disease in humans so scientists are able to know about the human genetics clearly by studying the fruit fly genetics. Fruit flies are less expensive when compared with rat and other organisms, they are small and it is very easy to take care of it and easy to carry out the research. Fruit fly has many characteristics to study about animal behaviour and development,neurobiology, human genetic diseases and their conditions. Drosophila has become an predominant model and it gives information about how the genes direct the development of embryo from a single cell to mature multicellular cells. Drosophila has many set of molecular tools and mutants that dissect the genetic pathway that are important for the normal and abnormal conditions of cardiac functions. It became popular to investigate the genes that causes cardiovascular disease. It is easy to evolve many generations of fruit fly because of its short lifespan due to this many experiments can be easily carried out. By the above conditions,we can consider that the Drosophila melanogaster is often used as a model organism in the study of genetics..

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Examine the two animals in the photographs figure. Use all of the c.pdf

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Assess the types of stakeholders involved in the development process for the product/service Evaluate the impact of key inputs from stakeholder groups on new product/service development efforts. Analyze the role these key stakeholder groups can play in contributing to the success of a new product/service Justify at least two persuasive strategies that can be used to engage stakeholders in new product/service development projects. Assess the key competitive advantages that utilizing the current trends in information technology (IT) will deliver to the area of new product/service development. Solution Stakeholders include Shareholders ,Banks,financial institutions and Private Equity in the Development Process for a tire company like Michelin tires Each of Michelin businesses is encouraged to identify and engage with key stakeholders at a national and operational level. Michelin Stakeholder Relations Guidance provides information to help these businesses identify and engage with their stakeholders. A stakeholder is an individual who is affected by or who can affect a project\'s outcome. Stakeholders shape projects in the early stages, ensuring resources are available to contribute to project success, and provide insight regarding the probable reaction to a project\'s outcome, which facilitates project adjustments when necessary to win organizational support. The roles of stakeholders change throughout a project life cycle. However, the willingness of stakeholders to perform the activities assigned to them during the project planning process greatly contributes to the success or failure of the project. Group stakeholder engagement on sustainability is managed by the Performance and Responsibility team at Michelin Group. Site-level stakeholder engagement is the responsibility of site managers. Together, these provide critical input to help guide Michelin strategy and PRM activities..

Assess the types of stakeholders involved in the development process.pdf

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There is a well-defined classification s developed originally by Carolus Linneaus in the 1800\'s. you remember what it is? choose an organism that you\'re curious about. Next, fill in the blanks below, and also come mnemonic (no overly explicit ones and give the correct up with your own terms for your example organism choose something different from that in Campbell (see Fig. 1.14) Solution Kingdom Kid insect(animalia) Phylum Plays fish(chordata) Class Card pig(mammalia) Order On dog(carnivora) Family Flat panda(ursidae) Genera Grey black bear(ursus) Species Steps grizzly bear(horribillis.

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Write the level of protein structure below each picture. A word bank .pdf

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Why should assembly language be avoided for general application development? Under what circumstances is assembly language preferred or required? Solution Reasons for avoiding Assembly Language for General Application Development: (i) It is difficult to understand the code (as Assembly Language is a low-level language). Debugging and modification of code requires extensive work. (ii) Application Development time will be higher than higher level languages because even the basic operations like additions, subtractions etc needs to be implemented as part of the code. (iii) In case of higher level languages, we can use the existing libraries to complete the development work faster. This is not possible with the Assembly Language. (iv) Assembly Languages are hardware specific and not portable to all machines. This is not the case with the higher level languages. Circumstances under which Assembly Language is preferred: (i) Assembly Language is preferred when we have a limited availability of memory and computational space. To maximum utilize the available memory and computational space, Assembly Language is preferred over Higher Level languages in such cases. Ex: chipsets (ii) Assembly Language is also used when we need to do some hardware manipulation. This is not possible with higher level languages. (iii) When we need to design something specific to a computer architecture where support for higher languages is not available yet..

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Who was Jesus of Nazareth? What was his message? How did he convey that message? What role did parables and miracles play in his ministry? What event convinced his followers that he was more than an ordinary man? Solution Jesus Christ, best known as Jesus of Nazareth or simply Jesus, is Christianity\'s central figure, both as Messiah and, on most Christians, as God incarnate. Muslims regard him as a general major prophet several regard him because Messiah. Many Hindus also recognize him as a general manifestation belonging to the divine, and some Buddhists identify him as a Bodhisattva. Jesus was born sometime right before 4 B.C. He was raised in Nazareth, a tiny village in Galilee, within the peasant class. Jesus\'father has been a carpenter and the man became one, too, meaning that they had likely lost their agricultural land at some point. Jesus was raised Jewish and the man remained deeply Jewish nearly every one of his life. His intention wasn\'t to create a new religion. Rather, he saw himself as doing something within Judaism. His followers experienced him after his death. It is see-through that they had visions of Jesus as that you had known him during his historical life. Only after his death did they declare Jesus to be \"Lord\" or \"the Son of God.\" Right away of Jesus\'life through His death and beyond, the Herodian dynasty ruled Palestine and nearby area, the lands belonging to the eastern Mediterranean coast. These rulers were clients of Imperial Rome, who served with all the appointment and permission of Rome. The firstly this family turn out to be appointed as ruler in Israel was Herod the Great. Upon his death, his kingdom was divided between three of his sons: Herod Archelaus, Herod Antipas, and Philip the Tetrarch. The Parables of Jesus can be found in all the canonical gospels, whereas in the a few of the non-canonical gospels, but are found mainly while in the three synoptic gospels.They represent a vital element of the teachings of Jesus, forming approximately 33 % of his recorded teachings. Christians place high focus on these parables; because they are the purported words of Jesus, they can indeed be believed to be what the Father has taught, indicated by John 8:28 and 14:10. Jesus parables are seemingly simple and easy and memorable stories, often with imagery, and all sorts of convey messages. Scholars have commented that although these parables seem simple, the messages they convey are deep, and central in the teachings of Jesus. Christian authors view them not as mere similitudes which serve the purpose of illustration, but as internal analogies in which nature becomes a witness for the spiritual world.

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why has America never been a homogenous society? why has America never been a homogenous society? why has America never been a homogenous society? Solution A homogeneous society refers to that society where people share same type of values, culture, languages and religious system. America is a developed nations and the standard living is rich. There are different standard living style, different culture and opinions. The citizens in US are from different nations and have different opinions. Therefore America could not be consider a homogenous society..

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Which of these statements about Java are true? A.( T / F ) Using variables for real contents is an implementation of Inheritance. B.( T / F ) An object usually interacts with other objects through method(s). C.( T / F ) One class can create only one object. D.( T / F ) According to the naming convention, the names of classes and objects begin with a upper case. E.( T / F ) Every header (signature) for paragraphs (classes, constructors, and methods) must have a pair of parenthesis for parameters. F.( T / F ) Knowing and using a method by just the signature of the method, without understanding how the method does, is an implementation of Encapsulation. G. ( T / F ) One superclass(parent class) can have more than one of its subclasses(children classes). H.( T / F ) Objects have their own information and features, called parameters and methods. I.( T / F ) Every paragraph must have both { } and its signature. J. ( T / F ) Every declaration statement must provide at least the type and name information about the variable. Solution A. False Inheritance is the inheriting something from parent class B. True C. False You can create any number of objects of a class D. False Class Name: begin with upper case Object name: camel case E. True F. True G, False It is not allowed in java to inherit more than one class In java we can implement multiple interfaces H. True Object have their states(instance variables) and methods(behaviours) I. True J. true.

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What is the relationship of Computer System Validation to the Software Development Life Cycle. Solution The computer system validtation process steps are: (i) Standard operating procedures (ii) Training procedures and training records. Software developement cycle ralationship involves: Planning, Requirement Analysis, design, developement, integration test and validation, installatoin, qualification and implementation, then next operations and maintainance..

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What is the developmental mechanism that Piaget proposed to account for movement to higher stages of cognitive development? In other words, why do children begin to construct a different type of cognitive structure at different stages? Solution The following are the assumptions of piaget’s about the children. The first important assumption is that the children usually construct their own knowledge .This knowledge is usually In response to their experiences in life.Another important fact is that the children have the power to learn various things on their own without the intervention of older children or adults..It has the following stages Piaget’s Stages: 1)The first one is Sensorimotor stage (birth to 2 years) in which the child grows. 2)The second one the Preoperational stage(2 to 7 years).In this stage the knowledge which is gained by the child is represented by language, mental imagery,and symbolic thought. 3)The third one is the Concrete operational stage(7 to 12 years).In this stage the Children are able to reason logically about concrete objects and events. 4)Finally we have the Formal operational stage(12 years and up)-In this stage the Children have the ability to think deeply about concrete events .They can also reason abstractly and hypothetically at the same time..

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What is meant by a \" privileged\" instruction? How does it apply to operating systems? Solution 1)it is type of instruction which contains protection settings,interrupt handlers,i/o, process status instruction and this instruction is executed only when system is in supervised mode or priviliged mode which is in operating system 2)in os there are two modes user mode and previliged mode all preveliged instruction run in this mode 1)these instruction are used in memory address mapping and flush the cache data 2)it also read and load system registers 3)changing the modes in operating system 4)it also perform some i/o operations.

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What are the major capabilities of database management systems (DBMS) and why is a relational DBMS so powerful? Explanin in 100-150 words. Solution A database management system (DBMS) refers to a system software for creating and organizing databases. Capabilities of database management system (DBMS) is explained as below- Data Structuring All information in a digital store is organized into a clear hierarchical structure with records, tables or objects. Every piece of information by help of database can be organized in a kind of catalogue, so that it could be easier to search and update records later on. Query Languages A typical DBMS makes it possible to utilize query languages for collecting, searching, sorting, and modifying. Multi-user Access DBMS provides many users access to all types of information stored in one and the same data store. The relational database is the key method for organizing and maintaining data in information systems as it is so flexible and easy to get to. It organizes data in two-dimensional tables called. Each row expresses a record, and each column represents an attribute or field. Each table also contains a key field to identify each record for manipulation. Relational database tables can be add easily to send data required by users. Hence, relational database is powerful..

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what ia managerial accounting? Solution Answer :- The branch of accounting which helps the management to perform its functions like \"Planning, Organization, Coordination, Control, Communication and decision-making\", is called managerial accounting. Mangerial accounting provides required information to the management to take effective decisions and control over the business. Managerial accounting is the presentation of accounting information in such a way as to assist the management in the creation of policy and in the day to day operation of an undertaking..

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What is Impersonation, why do you use it and how does SQL perform implicit Impersonation? Solution Impersonation is an arrangement in which an SQL Server is configured to allow an instance of one SQL server to connect to another instance of SQL server under the context of an autenticated Windows User. Impersonation can be done explicitly or implicitly on a SQL server. The EXECUTE AS statement is used to do explicity Impersonation, It can be used to impersonate server-level,database-level principals on logins, users. implicit Impersonation is on modules(server-level,database-level) database-level -> stored procedure , function server-level -> server-level trigger. The EXECUTE AS CALLER will change the context to the caller\'s context, this change does not revert to the implicitly impersonated context, REVERT should be called to get back to previous context. EXECUTE AS CALLER does not require any permission check. Based on the triggers the implicit impersonation is called directly..

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The answers to these questions are covered both in the lecture material and the text book What reaction, oxidation or reduction, is key to uranium bioremediation? How does the role of energy production lead to the action of bioremediation by microorganisms? What are xenobiotics and what are some examples? What is the role of microbes in the bioremediation of xenobiotics? Explain how the bioremediation of the herbicide 2, 4, 5-1 shown below, produces energy lord microbes. Solution 1. Bioremediation is a process which involves the use of microorganisms to remove or neutralize from contaminants, such as polluted soil or water. In the absence of oxygen, bacteria are able to respire various electron acceptors for the energy required for its metabolism. At the environmentally neutral pH, the aquaous U has a similar redox couple to Fe(III), therefore Fe(III)-reducing bacteria are able to respire aquaous U as an alternative electron acceptor, reducig it to insoluble U. Reduction of Uranium is the key reaction for the bioremediation of uranium, For the bioremediation of Uranium the process is stimulated by adding electron donor such as acetate, lactate or ethanol from which electrons can be taken up by bacteria to gain the energy to promote the enzymatic (microbial) reduction of aquaous U to insoluble U in anaerobic condition. The end product of this process would be uraninite. 3. Xenobiotics are the synthetic compounds found in living organisms, which are not produced by and foreign to that organisms. They are also synthetic substances (doesn\'t produced naturally) which are found in higher concentration than its normal level in the entire biological system. Examples of xenobiotics are: Halocarbons: consist of halogen group in their structure and used in solvents, pesticides, propellents etc. Due to their volatile nature, they often escape and destruct the ozone layer. Synthetic polymers: mainly used to form polyester, polyvinyl chloride etc Carcinogen, food additives, drugs are also examples of the xenobiotics. Normally the degradation of xenobiotics by microorganisms is very rare, as the availability of the xenobiotics to the microorganisms is very low as compared to its concentration in environment. However, when certain microbes are exposed to these xenobiotics continuously, they develop the ability to degrade the compounds. Mutations in microbes occur in such a way so that its active site can shows increased affinity towards the xenobiotics and some mutates to form new enzymatic pathway for degradation of xenobiotics. Use of mixed population is very effective for bioremediation of xenobiotics. It creates the cometabolism process n their combined effect is higher than the individual alone. Genetic engineering can also be used to modify microbes for degrading xenobiotics. 4. The microbes while degrading herbicide 2,4,5-T, it produces an end product named succinate + acetate. Succinate is the intermediate of the TCA (TriCarboxylicAcid) cycle, so it.

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