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Homework Help

For assistance with (but not answers to) homework problems.

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A simple reminder to all: this is the "Homework Help" forum, not the "Homework Answers" forum. We will not do your work for you, only point you in the right direction. Posts that do give the answers may be removed.

  1. How to use the given math hint to answer this question?

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  2. THE HALTING PROBLEM - PROOF. Review  What makes a problem decidable?  3 properties of an efficient algorithm?  What is the meaning of “complete”, “mechanistic”, - ppt download This is the context I am talking about. What contradiction occur here? We begin by telling that there is a Turing machine H that solves the halting problem. So how does this contradicts? Can you tell me about that?

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  3. Started by symptom378,

    The archeologists disagree with geologists when they say that dinosaurs were necessarily prehistoric lizards. Those fossils found in egypt and what not, could be human fossils. My reasoning runs as follows. The universe is expanding, therefore, in the beginning, the universe was a tiny place, and so were it's planets and stars. Baby earth was the size of a tennis ball. Russia was the size of a thumbnail. China was the size of a fingernail. The people of those times, were the size of microbes. A zillion years later... Earth was the size it is today. People are normal sized. The staggering conclusion: People who died in the year …

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  4. Started by mathiasbb,

    Hello, i really need your help and some explanation on how should i think about this exercice. A disaccharide reduces Fehling's liquor. Permethylation followed by hydrolasis gives 2,3, 4, 6 tetramethyl-D-galactopyranose and 2,3,6 trimethyl-D-glucopyranose. Deduce from these data the possible formula(s) of this disaccharide and give the corresponding name(s). Please i really need your help to be able to understand how to solve this problem. Thank you i advance ❤️

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  5. Started by Diana Issayeva,

    In genotoxicology, which methods are more effective?

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  6. Сan you provide a list of literature of the Y-chromosome in human population genetics of my dissertation work?

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  7. Hi, can someone explain to me what would happen to the condition and value of the air if its value is above its maximum dielectric field strength, and also on what would be the/its effect to the air?

  8. Can anyone help me about this topic, because i wasn't in class today and the teacher gave a huge homework that will count as half of the grades this period. Your explanations are welcome I only know the abormality for 21 and 23

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  9. Can anyone explain me this , because i wasn't in class today and the teacher gave a huge homework that will count as half of the grades. I just want to be guided because i don't have any idea. How do I begin?

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  10. Started by NorthRokas,

    Hello, guys, I need to find 50 statistical samples, maybe someone know any statistical websites that can help me?

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  11. Hello to all, I am a student in Master1 of cellular and molecular biology. While looking for how the genetic code was discovered (and especially the notion of degeneracy), I came across a historical article from 1961 (General Nature of Genetic Code for Proteins, Crick et al.). I am trying to understand how the T4 rII system used in the experimental model in the article works. I found a good video in English explaining this but I am not sure I understand the difference between K and B cultures very well. Could someone please enlighten me? Here is the link to the video: https://youtu.be/4PwprU2KYoM Have a nice day, Jérome (from France) 😀

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  12. There are 2 questions commonly asked(rarely though) in my exams. 1) Explain about mamdani fuzzy inference method with example. 2) explain fuzzy inference with suitable example. Now I am self studying. I have 4 books with me, but none of them have this content. IDK why tho..There are other details but not about thse 2 questions. Can you just guide me what I am supposed to write here? A framework about what to write would be more than helpful to me.

  13. Started by JelloFish,

    I was scrolling through some old notes, and i've came accross a situation that was described during a genetics webinar. I've introduced it to many colleagues and i've surprisingly received very different feedbacks. I though sharing it here in the forum might lead me to a clearer vision on how the situation could be solved: You have identified a new, previously unknown eukaryotic organism. a) First, you decoded the DNA sequence of the gene 'Y'. Now you want to determine the exon-intron structure of the gene. Describe your approach. b) Second, you found that gene Y encodes a protein with a homeodomain. Make a hypothesis about the molecular f…

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  14. Started by alexander223,

    Need help to propose a multi step synthesis .

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  15. I have done Paper 2 and mainly want to check through all the algorithm questions as well as the other questions. If there are any problems with my answers, please can you send the correct solutions? In addition to this, the algorithm questions are preferred to be done in pseudocode or python. Thank you. computin_rev.pdf

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  16. Started by Abdulla.007,

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  17. How to answer all these following questions? I am working on all these questions. Any chemistry help, or even correct answers to all these questions will be accepted.

  18. Started by mS3105,

  19. Started by nir99,

    hello, the question is: there is block m on top of an inclined plane M the ratio of the masses M/m is given by k. angle alpha is given. find the acceleration of the masses. i tried to solve this with fictitious force (F(G)) that exerts on mass m to the left with the magnitude of m*a(M) and my question is if the a(m) that i got is relative to the ground or to the plane, and if it is to the plane then how do i find the acceleration of mass m relative to ground? another question is how can i solve this without using a fictitious force. thanks for the help

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  20. Started by veronica2460,

    A system in which there is 2 grams of water at 373K in a closed 1 liter flask with the exclusion of air consists of two thermodynamic phases. Taking into account the volume of the liquid, calculate the masses of these phases. The density of liquid water at 373K is 0.958 g/cm^3. Assume ideal behavior for the gas phase.

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  21. Started by jayb44566,

    Hi. It's been since 2007 since I was aquatinted with anything chemistry but I'm trying to find out the following: what are things I have circled in the pic below and how do I synthesize them? Thanks

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  22. Started by Dhamnekar Win,odd,

    An x-ray photoelectron spectroscopy experiment with an unidentified element, X, displays an emission spectrum with four distinct kinetic energies: [math] 5.9 \times 10^{-17} J, 2.53 \times 10^{-18} J,[/math] [math]2.59 \times 10^{-20} J, 2.67 \times 10^{-20} J [/math] (Assume the incident light has sufficient energy to eject any electron in the atom.) (a)Name all of the possible ground state atoms that could yield this spectrum. (b)Calculate the binding energy of an electron in the 2p orbital of element X if the x-rays used for the spectroscopy experiment had an energy of [math] 2.68 \times 10^{-16} J[/math] (c)Consider both the filled and …

  23. Started by abed1975,

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  24. I haven't understood this at all. Can you please guide me how we reached to this answer. I want to improve my problem solving here. I don't want to memorize this.

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  25. How to prove (7.1)? How can we use the following two expansion formulas of CDF of normal distribution to prove (7.1) lemma?

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