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Gas is pumped into a spherical tank at 6 m3/min. If the pressure remains constant, at what velocity does the size of the radius change when the diameter is 120 cm?
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AIU Testing Alzheimer Treatments in Animals The AD Continuum Discussion
Assignment DetailsAnimal TestingHumans use animals for all sorts of things, like food, of course, and companionship. They ...
AIU Testing Alzheimer Treatments in Animals The AD Continuum Discussion
Assignment DetailsAnimal TestingHumans use animals for all sorts of things, like food, of course, and companionship. They harvest all sorts of animal products from wool and leather to glue and even heart valves. Animals are used for many different services: guard dogs, therapy animals, truffle-hunting pigs, polo ponies, and so on. In 1933, more than a dozen women went blind after using Lash Lure mascara (National Academy Press, 2004). The compounds in this product literally burned their eyes and resulted in blindness and even death in one case. This led to the use of animals for safety testing of cosmetics. Today, animal testing for safety and efficacy of drugs, sweeteners, food additives, and medical treatments is commonplace. These uses are controversial, however, not only because the animals may suffer during the process and are often euthanized at the end of a test, but because even closely related mammals do not respond to drugs or toxins the same way humans do much of the time. Mice models are often used for safety testing, but they may not be the best choice.This video may help you decide: Should We Trust Studies On Mice?Use this article to help shape your opinion on animal testing: 14 Pros and Cons of Animal ResearchNow choose ONE of the following topics:Volkswagen exhaust testing on monkeysTesting the safety of cosmeticsAlzheimer’s treatments tested in animalsAnswer the following four questions as they relate to your chosen topic:Explain the rationale and main benefit of the testing process you chose.Debate whether this use of animals is necessary or worthwhile.Is there an alternative to this testing?Is there some animal that it is okay to test on—insects, worms, fish, mice, and so on? Where do you draw the line?Use at least 1 credible source to support the arguments presented in your post.ReferencesAyres, C. (2019). 14 pros and cons of animal research. Retrieved from: https://vittana.org/14-pros-and-cons-of-animal-res...Engbretson, M. (2014). Seventy years is enough: It’s time to put the Draize Test out of its misery. Huffington Post. Retrieved from https://www.huffingtonpost.com/monica-engebretson/...Ewing, J. (2018). 10 Monkeys and a Beetle: Inside VW’s Campaign for ‘Clean Diesel’. The New York Times. Retrieved from https://www.nytimes.com/2018/01/25/world/europe/vo...Kane, C. (2017). The most promising research in Alzheimer’s disease is conducted with animal models. Retrieved from https://fbresearch.org/promising-research-alzheime...Seeker. (2014, December 1). Should we trust studies on mice? [Video file]. Retrieved from In your own words, post a response to the Discussion Board, and comment on at least 2 other postings. You will be graded on both level of engagement and the quality of the contribution to the discussion.Discussion Board Reminders: Must have three posts: A Main Post and two replies to peers.First post: Either your main post or a reply to others must be posted before midnight CT (Central time) on Friday of each week.Second and third post: Must be posted on a different day from the first post.Connect to Content: At least one post must refer to course learning materials. See the Academic Resource on Discussion Boards for help with connecting to the content.Engaging in Class Discussions: For more information on making the most of your class dialog, review the Academic Resource on Discussion Boards. Grading RubricAssignment CriteriaProficient DescriptorPointsQuality of Main Post27 Points TotalStudent’s main post meets or exceeds the following requirementsResponds completely to all of parts of discussion question. (7 points)Communicates content information accurately and/or logically (7 points)Delivers a thoughtful response demonstrating insights and reflections (7 points)Connects to both key content concepts and personal experiences (6 points)/27 pts.Response to Peers24 Points Total• Responds to a minimum of 2 peers. (12 points per response)Substantive response (6 points)Furthers the conversation with peers. Examples could include: (6 points) Provides additional resourcesConnects to key conceptsShares personal or professional experiencesContributes new information or perspectivePresents a competing viewpoint/24 pts.Support from Learning Resources4 Points TotalAt least one post refers to course learning resources./4 pts.Professional Writing5 Points TotalResponse is well-organized, clear and free of grammatical and mechanical errors.Posts demonstrate courtesy and respect for others./5 pts.Total/60 pts.
Task 7 on Lipids, Fatty Acids, Triglycerides, and Phospholipids
Task 7The questions in this task cover topics discussed in Lecture 6. You have 25 minutes all 10 questions. DO NOT begin ...
Task 7 on Lipids, Fatty Acids, Triglycerides, and Phospholipids
Task 7The questions in this task cover topics discussed in Lecture 6. You have 25 minutes all 10 questions. DO NOT begin this task until you have completed Lecture 6.LIPIDS, FATTY ACIDS, TRIGLYCERIDES, AND PHOSPHOLIPIDSCourse Name: SCI260 Introduction to BiochemistrySchool website: https://online.stratford.edu
University of Phoenix Scientific Method and Natural Selection Questions
QUESTION 1:Pigeon breeders prize certain looks of their pigeons. They know that pairing certain pigeons results in offspri ...
University of Phoenix Scientific Method and Natural Selection Questions
QUESTION 1:Pigeon breeders prize certain looks of their pigeons. They know that pairing certain pigeons results in offspring that exemplify the looks of their parents. Which of Darwin's four observations applies to this this example?Observation 1Observation 2Observation 3Observation 4QUESTION 2Which of these statements about natural selection is true?Natural selection favors traits suited to the environment.Natural selection causes new traits to appear.Natural selection results in the perfect organism.Natural selection causes progression to a goaQUESTION 3 - 1. 2. 3. 4. 5. 6. 7. 8. Family
- 1. 2. 3. 4. 5. 6. 7. 8. Species
- 1. 2. 3. 4. 5. 6. 7. 8. Kingdom
- 1. 2. 3. 4. 5. 6. 7. 8. Order
- 1. 2. 3. 4. 5. 6. 7. 8. Genus
- 1. 2. 3. 4. 5. 6. 7. 8. Class
- 1. 2. 3. 4. 5. 6. 7. 8. Domain
- 1. 2. 3. 4. 5. 6. 7. 8. PhylumQUESTION 4:Match each question Item with its definition. Note: Some answers will not be used. - A. B. C. D. E. F. G. H. I. J. K. L. M. Biological evolution - A. B. C. D. E. F. G. H. I. J. K. L. M. Macroevolution - A. B. C. D. E. F. G. H. I. J. K. L. M. Scientific theory - A. B. C. D. E. F. G. H. I. J. K. L. M. Common descent - A. B. C. D. E. F. G. H. I. J. K. L. M. Homology - A. B. C. D. E. F. G. H. I. J. K. L. M. Artificial selection - A. B. C. D. E. F. G. H. I. J. K. L. M. Adaptations - A. B. C. D. E. F. G. H. I. J. K. L. M. Diversifying selection - A. B. C. D. E. F. G. H. I. J. K. L. M. Kingdom Animalia characteristics - A. B. C. D. E. F. G. H. I. J. K. L. M. Kingdom Fungi characteristicsA.Natural selection that favors two or more variantsB.Multicellular, rely on other organisms for food, reproduce by spores, body made up of thin filaments called hyphaeC.Organisms as disparate as trees, mold, and humans cannot have a common ancestorD.Multicellular, rely on other organisms for food, mobile for at least part of its life cycleE.A change in the characteristics of a biological populationF.The accumulation of microevolutionary changes that results in a new speciesG.Traits that increase an individual's relative fitness in a particular environmentH.All living beings share a common ancestorI.Traits that are nonfunctionalJ.Selection imposed by human choiceK.Similarities between species caused by having a common ancestorL.A statement that provides the best explanation of an observationM.Mostly single-celled forms with a wide diversity of life stylesQUESTION 5: Pine trees that are too tall or too short do not do as well as pine trees that are average in height. The short trees do not get as much light as tall or average trees. The tall trees are more likely to break off in storms. Tell how this is an example of stabilizing selection. Be sure to define stabilizing selection in your answer. Your response must be at least 75 words in length.QUESTION 6: There is a moth in England called the peppered moth. Before Britain's industrial revolution, these moths were usually salt and pepper colored. Because of their coloring, they blended in well with the tree trunks on which they tended to rest. The coloring helped them hide from the birds that ate them. During the British industrial revolution, industry expelled a lot of soot from the burning of coal into the environment. This soot darkened the tree trunks, and it was noted that black-colored moths were becoming predominant. The idea is that with soot in the environment, black-colored moths fared better than light-colored moths. There is some debate as to whether this is actually the case or not, but for the sake of this question, let's assume it is. In your own words, explain the concepts from the four observations discussed in 12.2 using the moth as an example. In other words, how does the moth illustrate the first observation, the second observation, etc.? Your response must be at least 200 words in length.QUESTION 7:Explain how homology is different from convergent evolution and give examples. Briefly define homology and convergent evolution in your explanation. Your response must be at least 200 words in length.
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AIU Testing Alzheimer Treatments in Animals The AD Continuum Discussion
Assignment DetailsAnimal TestingHumans use animals for all sorts of things, like food, of course, and companionship. They ...
AIU Testing Alzheimer Treatments in Animals The AD Continuum Discussion
Assignment DetailsAnimal TestingHumans use animals for all sorts of things, like food, of course, and companionship. They harvest all sorts of animal products from wool and leather to glue and even heart valves. Animals are used for many different services: guard dogs, therapy animals, truffle-hunting pigs, polo ponies, and so on. In 1933, more than a dozen women went blind after using Lash Lure mascara (National Academy Press, 2004). The compounds in this product literally burned their eyes and resulted in blindness and even death in one case. This led to the use of animals for safety testing of cosmetics. Today, animal testing for safety and efficacy of drugs, sweeteners, food additives, and medical treatments is commonplace. These uses are controversial, however, not only because the animals may suffer during the process and are often euthanized at the end of a test, but because even closely related mammals do not respond to drugs or toxins the same way humans do much of the time. Mice models are often used for safety testing, but they may not be the best choice.This video may help you decide: Should We Trust Studies On Mice?Use this article to help shape your opinion on animal testing: 14 Pros and Cons of Animal ResearchNow choose ONE of the following topics:Volkswagen exhaust testing on monkeysTesting the safety of cosmeticsAlzheimer’s treatments tested in animalsAnswer the following four questions as they relate to your chosen topic:Explain the rationale and main benefit of the testing process you chose.Debate whether this use of animals is necessary or worthwhile.Is there an alternative to this testing?Is there some animal that it is okay to test on—insects, worms, fish, mice, and so on? Where do you draw the line?Use at least 1 credible source to support the arguments presented in your post.ReferencesAyres, C. (2019). 14 pros and cons of animal research. Retrieved from: https://vittana.org/14-pros-and-cons-of-animal-res...Engbretson, M. (2014). Seventy years is enough: It’s time to put the Draize Test out of its misery. Huffington Post. Retrieved from https://www.huffingtonpost.com/monica-engebretson/...Ewing, J. (2018). 10 Monkeys and a Beetle: Inside VW’s Campaign for ‘Clean Diesel’. The New York Times. Retrieved from https://www.nytimes.com/2018/01/25/world/europe/vo...Kane, C. (2017). The most promising research in Alzheimer’s disease is conducted with animal models. Retrieved from https://fbresearch.org/promising-research-alzheime...Seeker. (2014, December 1). Should we trust studies on mice? [Video file]. Retrieved from In your own words, post a response to the Discussion Board, and comment on at least 2 other postings. You will be graded on both level of engagement and the quality of the contribution to the discussion.Discussion Board Reminders: Must have three posts: A Main Post and two replies to peers.First post: Either your main post or a reply to others must be posted before midnight CT (Central time) on Friday of each week.Second and third post: Must be posted on a different day from the first post.Connect to Content: At least one post must refer to course learning materials. See the Academic Resource on Discussion Boards for help with connecting to the content.Engaging in Class Discussions: For more information on making the most of your class dialog, review the Academic Resource on Discussion Boards. Grading RubricAssignment CriteriaProficient DescriptorPointsQuality of Main Post27 Points TotalStudent’s main post meets or exceeds the following requirementsResponds completely to all of parts of discussion question. (7 points)Communicates content information accurately and/or logically (7 points)Delivers a thoughtful response demonstrating insights and reflections (7 points)Connects to both key content concepts and personal experiences (6 points)/27 pts.Response to Peers24 Points Total• Responds to a minimum of 2 peers. (12 points per response)Substantive response (6 points)Furthers the conversation with peers. Examples could include: (6 points) Provides additional resourcesConnects to key conceptsShares personal or professional experiencesContributes new information or perspectivePresents a competing viewpoint/24 pts.Support from Learning Resources4 Points TotalAt least one post refers to course learning resources./4 pts.Professional Writing5 Points TotalResponse is well-organized, clear and free of grammatical and mechanical errors.Posts demonstrate courtesy and respect for others./5 pts.Total/60 pts.
Task 7 on Lipids, Fatty Acids, Triglycerides, and Phospholipids
Task 7The questions in this task cover topics discussed in Lecture 6. You have 25 minutes all 10 questions. DO NOT begin ...
Task 7 on Lipids, Fatty Acids, Triglycerides, and Phospholipids
Task 7The questions in this task cover topics discussed in Lecture 6. You have 25 minutes all 10 questions. DO NOT begin this task until you have completed Lecture 6.LIPIDS, FATTY ACIDS, TRIGLYCERIDES, AND PHOSPHOLIPIDSCourse Name: SCI260 Introduction to BiochemistrySchool website: https://online.stratford.edu
University of Phoenix Scientific Method and Natural Selection Questions
QUESTION 1:Pigeon breeders prize certain looks of their pigeons. They know that pairing certain pigeons results in offspri ...
University of Phoenix Scientific Method and Natural Selection Questions
QUESTION 1:Pigeon breeders prize certain looks of their pigeons. They know that pairing certain pigeons results in offspring that exemplify the looks of their parents. Which of Darwin's four observations applies to this this example?Observation 1Observation 2Observation 3Observation 4QUESTION 2Which of these statements about natural selection is true?Natural selection favors traits suited to the environment.Natural selection causes new traits to appear.Natural selection results in the perfect organism.Natural selection causes progression to a goaQUESTION 3 - 1. 2. 3. 4. 5. 6. 7. 8. Family
- 1. 2. 3. 4. 5. 6. 7. 8. Species
- 1. 2. 3. 4. 5. 6. 7. 8. Kingdom
- 1. 2. 3. 4. 5. 6. 7. 8. Order
- 1. 2. 3. 4. 5. 6. 7. 8. Genus
- 1. 2. 3. 4. 5. 6. 7. 8. Class
- 1. 2. 3. 4. 5. 6. 7. 8. Domain
- 1. 2. 3. 4. 5. 6. 7. 8. PhylumQUESTION 4:Match each question Item with its definition. Note: Some answers will not be used. - A. B. C. D. E. F. G. H. I. J. K. L. M. Biological evolution - A. B. C. D. E. F. G. H. I. J. K. L. M. Macroevolution - A. B. C. D. E. F. G. H. I. J. K. L. M. Scientific theory - A. B. C. D. E. F. G. H. I. J. K. L. M. Common descent - A. B. C. D. E. F. G. H. I. J. K. L. M. Homology - A. B. C. D. E. F. G. H. I. J. K. L. M. Artificial selection - A. B. C. D. E. F. G. H. I. J. K. L. M. Adaptations - A. B. C. D. E. F. G. H. I. J. K. L. M. Diversifying selection - A. B. C. D. E. F. G. H. I. J. K. L. M. Kingdom Animalia characteristics - A. B. C. D. E. F. G. H. I. J. K. L. M. Kingdom Fungi characteristicsA.Natural selection that favors two or more variantsB.Multicellular, rely on other organisms for food, reproduce by spores, body made up of thin filaments called hyphaeC.Organisms as disparate as trees, mold, and humans cannot have a common ancestorD.Multicellular, rely on other organisms for food, mobile for at least part of its life cycleE.A change in the characteristics of a biological populationF.The accumulation of microevolutionary changes that results in a new speciesG.Traits that increase an individual's relative fitness in a particular environmentH.All living beings share a common ancestorI.Traits that are nonfunctionalJ.Selection imposed by human choiceK.Similarities between species caused by having a common ancestorL.A statement that provides the best explanation of an observationM.Mostly single-celled forms with a wide diversity of life stylesQUESTION 5: Pine trees that are too tall or too short do not do as well as pine trees that are average in height. The short trees do not get as much light as tall or average trees. The tall trees are more likely to break off in storms. Tell how this is an example of stabilizing selection. Be sure to define stabilizing selection in your answer. Your response must be at least 75 words in length.QUESTION 6: There is a moth in England called the peppered moth. Before Britain's industrial revolution, these moths were usually salt and pepper colored. Because of their coloring, they blended in well with the tree trunks on which they tended to rest. The coloring helped them hide from the birds that ate them. During the British industrial revolution, industry expelled a lot of soot from the burning of coal into the environment. This soot darkened the tree trunks, and it was noted that black-colored moths were becoming predominant. The idea is that with soot in the environment, black-colored moths fared better than light-colored moths. There is some debate as to whether this is actually the case or not, but for the sake of this question, let's assume it is. In your own words, explain the concepts from the four observations discussed in 12.2 using the moth as an example. In other words, how does the moth illustrate the first observation, the second observation, etc.? Your response must be at least 200 words in length.QUESTION 7:Explain how homology is different from convergent evolution and give examples. Briefly define homology and convergent evolution in your explanation. Your response must be at least 200 words in length.
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