In how many ways can the 9 letters of the word MARMALADE be arranged.pdf

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In how many ways can the 9 letters of the word MARMALADE be arranged in a row if the arrangement must start with an L or a D? Solution MARMALADE There are 2 M 3 A 1 R 1 L 1 D 1 E So, the first letter can be chosen 2 waysn L or D. The other 8 letters can be permuted, by permutation of like objects, in 8!/(2!3!1!1!1!) = 3360 ways. Hence, there are 2*3360 = 6720 ways [ANSWER].

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what is the pseudoautosomal region? A. the region on the Y chromose where the male-determining gene is found B. The Region on the X chromose wwhere the female-determining gene is found C. A region on the Y chromose where the gene, when mutated, causes androgen insensitivity syndrome D. A region at which the X and Y chromosomes both have copies of the same genes E. A region at which the X and Y chromosomes differ in their genes. Solution D. A region at which the X and Y chromosomes both have copies of the same genes pseudoautosomal regions are the homologous genes on the X and Y chromosomes. A male contain two copies of these genes one on X and one on Y. Females have them on each of their X chromosomes. These genes exhibit an autosomal pattern of inheritance..

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What is a flat file database? How can it be used for forecasting? What is a flat file database? How can it be used for forecasting? Solution When data is stored in an unstructured manner in a file, this file is called a flat file. In order to have access to the data and do necessary manipulations, the entire flat file needs to be loaded into the computer’s memory. So basically flat file databases do not have a structure as present in the case of normal databases. It can be used in data mining and forecasting to read in data which is unstructured and then it can be subjected to statistical analysis to forecast and estimate data points in the future..

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What is, in your opinion, the minimum firewall placement for a SCADA system? Solution Supervisory control and data acquisation has a major demand in these recent years on the commerical information technologies such as ethernet,TCP/IP. There are several network security problems from the networks and the networks are passed onto the SCADA and putting industrial production and human safety at risk. The internet has came with many attacks from widerange in the reacent years there are so many cyber attacks that takes place that the network that are connected to SCADA systems. The use of the some common protocols and OS has made the interface easier to isolate from the outside world. So minimum firewall placement must be necessary for a scada systems.

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What factor(s) do not contribute to the development of mutations that are characteristic of so many tumor types? What factor(s) do not contribute to the development of mutations that are characteristic of so many tumor types? Acute resolving infections that trigger chronic inflammation There is only one answerViruses that integrate into the host genome, and trigger genetic instability.Persistent infections combined with long term inflammation that promotes the development of mutations.Long term infection where virus promotes cell proliferation in the context of persistent inflammation. Acute resolving infections that trigger chronic inflammation There is only one answer Solution Answer: Acute resolving infections that trigger chronic inflammation Reason: Acute resolving infections that trigger chronic inflammation do not contribute to the development of mutations that are characteristic of so many tumor types because majority of acute resolving infections are mainly due to bacterial infections that trigger chronic inflammation. This inflammation is not going to often triggers \"oncogene generation\". The persistent infections by viruses combined with long term inflammation that promotes the development of mutations in the genome of a cell result in cancerous development (liver cancer) finally genomic instability.

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Urinary Tract infections commonly caused by E. Coli is a common illness in women because of their short Urethra. 1.) Explain what a UTI is? 2.) What possible complications occur if it spreads to the kidneys? 3.) Could a person be cured from this illness without the use of antibiotics? Solution 1). Urinary tract infections are those that affect any organ of the urinary system. This includes kidneys, bladder, urethra and ureters. The urinary tract infections (UTIs) are classified into complicated UTIs and uncomplicated UTIs, which helps in the treatment decisions. The acute, uncomplicated lower UTIs are otherwise known as “cystitis,” which occur in both males and females. 2). The spread of infection ot the kidneys (pyelonephritis) results in permanent kidney scars, chronic kidney disease or kidney failure. 3). Unlike the treatment for intestinal E.coli infection, the treatment of UTIs caused due to E.coli need antibiotic treatment, However, many of the E.coli strains that cause UTIs are resistant to antibiotics..

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Mechanical Engineer A technology that had being since the last 3 years and then which might need some modifications or improvenment for better use? Follow the points below What is about the technology? How was it been use? How can that been improve? The benefit of the improvenment? Solution What Is Technology?Technology is a body of knowledge devoted to creating tools, processing actions and extracting of materials. The term ‘Technology” is wide and everyone has their own way of understanding the meaning of technology. We use technology to accomplish various tasks in our daily lives, in brief; we can describe technology as products, processes or organizations. We use technology to extend our abilities, and that makes people as the most important part of any technological system. Technology is also an application of science to solve a problem. But what you have to know is that technology and science are different subjects which work hand-in-hand to accomplish a specific task or solve a particular problem. We apply technology in almost everything we do in our lives, we use technology at work, we use it to , extract materials , we use technology for communication, transportation, learning, manufacturing, creating artifacts, securing data, scaling businessesand so much more. Technology is human knowledge which involves tools, materials and systems. The application of technology results in artifacts or products. If technology is well applied, it can benefit humans, but if it is wrongly applied, it can cause harm to human beings. Many businesses are using technology to stay competitive, they create new products and services using technology, and they also use technology to deliver those products and services to their customers on time. A good example is, mobile phones companies like Apple &Samsung, these two electronics companies, use high end technology to create new smartphones and other electronic devices to stay competitive. This competitive edge is gained through employing advanced technology. Managing people effectively in extension programmes is a skill that requires constant planning and development. An extension programme manager can be defined as the person who is vested with formal authority over an organization or one of its sub units. He or she has status that leads to various interpersonal relations, and from this comes access to information. Information, in turn, enables the manager to devise strategies, make decisions, and implement action (Mintzberg, 1988). Management is concerned with the optimum attainment of organizational goals and objectives with and through other people. Extension management organizations are characterized by many strategies, wide spans of control, democracy, and autonomy. Their management practices cannot be reduced to one standard set of operating guidelines that will work for all organizations continually. However, all managers of professional organizations face the same challenge: to manage one\'s time, o.

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Regulation of prokaryotic gene expression is simpler than that in eukaryotes. What evolutionary advantage does this confer? What are drawbacks to this strategy? Solution The eukaryotic cells are evolutionarily more advanced and the major difference between the two cell types lies in the mechanism of gene expression as well as in the presence of organelles. Prokaryotic regulation occurs at just the level of transcription, where s in case of eukaryotes the regulation takes place during almost all stages of transcription and translation. Further on the regulation may also take place in form of post-translational modifications of proteins, methylation of DNA etc. The presence of introns in the eukaryotic DNA enables them to use a particular segment of DNA for multiple gene transcripts through alternative splicing. So, the introns are an added advantage. This has given them benefit to obtain roles higher in the food chain and even form multicellular organisms. As a drawback, it takes more time for eukaryotes to replicate, mutate or adapt to new environments as compared to prokaryotes. This is majorly because of their complicated and large number of genetic components and regulations. Also, during evolution eukaryotes have lost the ability to transfer adaptive genes through plasmids and can only transfer maternal genes through mitochondria which are not really helpful during adaptation..

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