What are the three major differences between the protists and bacter.pdf

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What are the three major differences between the protists and bacteria? Solution 1. Bacteria are prokaryotic while, protists are eukaryotes. 2. Bacteria belong to miner kingdom whereas, protists belong to protista kingdom. 3. Since nuclear envelope is absent in bacteria, transcription and translation are coupled I.e, occurs in a single compartment. Whereas, in protista, transcription occurs in separate compartments. 4. Cytoskeleton is absent in bacteria. Present in protists..

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Capture-Recapture The bear population in a certain wildlife reserve.pdf

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C++ Briefly explain what is bad, though syntactically correct, about the design of the following code to get input from a user by way of a keyboard. Class CUserInput () {public: CUserInput (); void AcceptUserlnputFromKeyboard(); starting GetUserlnput() const; private: string m_sUser; Solution 1) The code for getting input to be included. 2) If possible it is recommended to get input from the constructor. 3)No need of extra two functions for same functionality..

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A mother with blood type A has a child with blood type A. Give all p.pdf

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Assume f has period 2pi. Sketch the graph of f in the interval [-4pi.pdf

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1.S. cerevisiae can switch mating types. Which of the following statements correctly summarizes where the information comes from for it to do this? Solution Saccharomyces cerevisiae occurs in two forms, the haploid and diploid. The haploid cells undergo mitosis, which die under the conditions of higher stress. The preferential form of the yeast is diploid, which undergoes growth by mitosis. In cerevisiae, the cells of opposite mating type are present in the same ascus. They are produced by a single meiosis and mate with each other. Means, the organism can switch mating types. The mating locus contains two-mating loci in inactive state, which provide the information to replace the inactive copy at the mating locus with the active copy..

1.S. cerevisiae can switch mating types. Which of the following stat.pdf

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You produce an interference pattern by projecting a blue laser with a wavelength of 405 nm through the double slits you used in the today’s experiment. The lens is placed 51.2 cm from the screen. What is the distance between two adjacent bright spots? Show all work. Solution Let\'s assume separation between the slits is, d = 0.10mm = 10-4 m Wavelength of light, Lembda = 405 x 10-9 m Distance of screen, D = 51.2 x 10-2 m Distance between two adjacent bright spots = D x Lemda / d = [51.2 x 10-2 x 405 x 10-9 ] / 10-4 = 2.07 mm.

You produce an interference pattern by projecting a blue laser with .pdf

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You are working with the file directory of a Windows XP computer from the command line, and you use the md command to create a new directory in your My Documents directory. What command switch can you issue to confirm that the new directory was created? A. Just use the dir command to view all of the directories and files in the My Documents and look for the name of directory you just created B. dir /new C. dir /bn D. dir /ad Solution D. Using the dir command with the /ad switch will show just directories in the current working directory, such as My Documents, making it easier to spot the newly created directory. If the list is very long, you can also add the /p switch to pause and scroll through each screen, such as dir/ad /p..

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You deposit $1,000 in a fund earning 5.75. How long will it take to .pdf

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Will’s Widget Company (WWC) incorporated near the end of 2017. Operations began in January of 2018. WWC prepares adjusting entries and financial statements at the end of each month. Balances in the accounts at the end of January are as follows: Account Title Dr Cr Cash 21,170 Accounts Receivable 12,200 Allowance for Doubtful Accounts 1,750 Inventory (45 units) 3,825 Unearned Revenue (40 units) 5,200 Accounts Payable (Jan Rent) 3,000 Notes Payable 14,500 Contributed Capital 6,700 Retained Earnings – Feb 1, 2012 6,045 Additional Information you need to know about WWC: • WWC establishes a policy that it will sell inventory at $165 per unit. • In January, WWC received a $5,200 advance for 40 units, as reflected in Unearned Revenue. • WWC’s February 1 inventory balance consisted of 45 units at a total cost of $3,825. • WWC’s note payable accrues interest at a 12% annual rate. • WWC will use the FIFO inventory method and record COGS on a perpetual basis. Below are transactions for February 2018: Record Journal Entries for following transactions: 02/01 Included in WWC’s February 1 Accounts Receivable balance is a $1,500 account due from Kit Kat, a WWC customer. Kit Kat is having cash flow problems and cannot pay its balance at this time. WWC arranges with Kit Kat to convert the $1,500 balance to a note, and Kit Kat signs a 6- month note, at 9% annual interest. The principal and all interest will be due and payable to WWC on August 1, 2012. 02/02 WWC paid a $900 insurance premium covering the month of February. The amount paid is recorded directly as an expense. 02/05 An additional 150 units of inventory are purchased on account by WWC for $11,250 – terms 2/15, n30. 02/05 WWC paid Federal Express $450 to have the 150 units of inventory delivered overnight. Delivery occurred on 02/06. (Hint--Recall company uses perpetual inventory system, record transportation fees as part of inventory costs—debit to inventory) 02/10 Sales of 120 units of inventory occurred during the period of 02/07 – 02/10. The sales terms are 2/10, net 30. (Hint --Recall company follows FIFO. What are the COGS of 120 sold units?) 02/15 The 40 units that were paid for in advance and recorded in January are delivered to the customer. (Hint --Recall WWC follows FIFO. What are the COGS of 40 sold units?) 02/15 10 units of the inventory that had been sold on 2/10 are returned to WWC. The units are not damaged and can be resold. Therefore, they are returned to inventory. Assume the units returned are from the 2/05 purchase. 02/16 WWC pays the first 2 weeks wages to the employees. The total paid is $2,500. 02/17 Paid in full the amount owed for the 2/05 purchase of inventory. WWC records purchase discounts as a reduction of inventory costs (credit to inventory). 02/18 Wrote off a customer’s account in the amount of $1,850. 02/19 $6,000 of rent for January and February was paid. Because all of the rent will soon expire, the February portion of the payment is charged directly to expense. 02.

Will’s Widget Company (WWC) incorporated near the end of 2017. Opera.pdf

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Which of the following would be useful and good sources of survey/boundary data? recorded survey plats assessor maps subdivision plats utility rights-of-way plans highway department plans deeds title insurance policies Solution Answer:- These are useful and good sources of survey/ boundary data:- (i) Recorded survey maps (ii) Sub division plats (iii) Utility right of way plans (iv) Highway department plans By help of above we can do survey very easily. By help of above sources of information , we can do accurate survey..

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Which of the following statements is true about the interaction of electromagnetic radiation with matter? 1) Photoelectric absorption involves the interaction of a photon with the nucleus of an atom. 2) Rayleigh scattering involves an inelastic collision of a photon with an outer-shell electron with negligible binding energy, after which that electron is ejected from the atom. 3) The main phenomena associated with X-ray imaging are Rayleigh scattering at low photon energies and pair production at high photon energies. 4) The main phenomena associated with X-ray imaging are photoelectric absorption at low photon energies and Compton scattering at high photon energies. 5)None of these statements are true. Please explain why. Solution 1) The statement is true. The photons with atom particles are by chance, a given photon has a finite probability of passing completely through the medium it is traversing. The probability that a photon will pass completely through a medium depends on numerous factors including the photon’s energy and the medium’s composition and thickness. The more densely packed a medium’s atoms, the more likely the photon will encounter an atomic particle. 2)False The photons doest not excite the atom when it interacts with the one or more bounded electrons. The energy is same at the end of the process, that is energy of photon is equal to the interacting atom. Therefore, it is elastic scattering. 3) This statement is true. Rayliegh scattering involves in deflection of the incoming particle, but not absorption.hence it occurs for low photon energies. Whereas the pair productionrequires very high energy as the photon interacts with the electron or nucleaus and forms postiron electron pairs. The photon must have atleast 1.022 MeV energy to interact. 4) The statement is false. As the photoelectric absorption involves in absorption of photons by atoms which have considerably high energy as discussed in first point. So statements 1 and 3 are true..

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Which of the following identifies an underlying principle of the communicative or “Acquisition vs. Learning” approaches to the instruction of English Language Learners? Select one: a. Students should follow a step-by-step progression on English instruction from simpler to more difficult tasks. b. Students develop skills in English by mastering the written grammar of the language c. Students should have repeated exposure to accurate models of oral English in the formal register d. Students develop English language skills by figuring out the meaning of English words in interactions with other people Solution d. Students develop English language skills by figuring out the meaning of English words in interactions with other people because communication principle involves classroom interaction and aqusition vs learning means to learn the few words and acquire them one by one by knowing their meanings and gradually forming the sentences as a whole with these words..

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Which of the following is not a mechanism of evolution? [select all that apply] Random mating Genetic Drift Selection Adaptation Migration Solution Genetic drift — along with natural selection, adaptation, and migration — is one of the basic mechanisms of evolution. Random mating is not a process of evolution In so far as the separated attributes are hereditarily acquired, advancement is generally a result. ... As Hardy and Weinberg showed in the mid twentieth century, the quality pool of a populace that is mating haphazardly and is not subject to whatever other transformative process won\'t change- - it will stay in harmony..

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What is the use of discrete gates with the use of an FPGA. Solution A field-programmable gate array (FPGA) is an integrated circuit designed to be configured by a customer or a designer after manufacturing – hence \"field-programmable\". The FPGA configuration is generally specified using a hardware description language(HDL), similar to that used for an application-specific integrated circuit (ASIC). (Circuit diagrams were previously used to specify the configuration, as they were for ASICs, but this is increasingly rare.) FPGAs contain an array of programmable logic blocks, and a hierarchy of reconfigurable interconnects that allow the blocks to be \"wired together\", like many logic gates that can be inter-wired in different configurations. Logic blocks can be configured to perform complexcombinational functions, or merely simple logic gates like AND and XOR. In most FPGAs, logic blocks also include memory elements, which may be simple flip-flops or more complete blocks of memory.

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What is the difference between the structure of DNA and proteins? The monomers that compose DNA are nucleotides and the monomers that compose proteins are amino acids the monomers that compose DNA are ammo acids and the monomers that compose proteins are nucleotides. They are composed of the same monomers but only differ in their 3-dimensional structure. They are composed of the same monomers but only differ in the primary structure. Solution The monomers that compose DNA(deoxyribo nucleic acid) are nucleotides and the monomers that compose proteins are amino acids. Nucleotides are organic molecules (building blocks) of DNA and composed of a nitrogenous base, a five-carbon sugar(ribose or deoxyribose), and at least one phosphate group..

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what are the basic methods to isolate nucleic acids? Solution The basic methods used in DNA precipitation are, 1). DNA precipitation 2). Phenol-chloroform extraction During DNA extraction procedure, the DNA clumps out because it is not soluble in ethanol. DNA is soluble in water, but the sodium ions present in the extraction media neutralizes the negatively charged phosphate ions. Now, the DNA becomes less soluble and form aggregates or clump together upon the addition of ethanol. The yield increases with using cold ethanol because the DNA is even less soluble in cold ethanol..

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2 a. RNA polymerase II that is actively transcribing a gene (actively progressing along the DNA polymerizing an RNA molecule) is phosphorylated. Researchers evaluated the abundance (the frequency of occupancy) of RNA PolII at difference positions along a gene, and correlated that with the introns and exons of the gene. The figure represents a portion of one gene that is transcribed from left to right. The X axis corresponds to position along the DNA, and the boxes below the figure illustrate where the exons are (with the lines between them representing the introns). The Y axis represents the relative frequency of occupancy (relative abundance of active RNA PolII using two different measures [pSer2 and pSer5]). A high the value on this axis means that, when they sample whether RNA polII is present at the given position, they find the enzyme present more frequently than at positions where the value is low. a. With respect to intron/exon boundaries, what positions does the (transcribing) RNA PolII occupy most? b. How do you interpret this observation (i.e., does it say anything about how fast or how slow RNA PolII is moving at different positions across the gene)? Does it suggest anything about the relationship between transcription and splicing? 2b. You characterize the sequence of a full-length cDNA and the corresponding genomic DNA for a particular intron-containing gene from mouse cells. When you align them to each other using a computer program, the exons of the cDNA align perfectly in some regions with pieces of the genomic DNA, whereas other exons appear to have a small number of specific nucleotide differences compared to the genomic DNA. Assume this genomic DNA and cDNA come from the same individual, and there are no sequencing mistakes. What might account for these differences? ,241 132 15 98 459605 719M850 1341/1417 Ratio pser relative to RNAPI Solution 2a RNA polymerase II at first recognizes and binds to the promoter DNA forming a state termed as the closed complex. Following this the DNA surrounding the transcription start site is unwound and the template strand is positioned in the Polymerase active site, forming the open complex. Transcription initiation then commences, initially producing short RNA products. b Alternative splicing is a crucial mechanism for gene regulation and for generating genomic diversity. Recent studies indicate that the expression of nearly 95% of human multi-exon genes involves alternative splicing. In metazoans, alternative splicing plays an important role in generating different protein products that function in diverse cellular processes including cell growth, differentiation and death. Splicing is carried out by the spliceosome. A massive structure in which five small nuclear ribonucleoprotein particles (snRNPs) and a large number of auxiliary proteins cooperate to accurately recognize the splice sites and catalyse the two steps of the splicing reaction. 2b There is consistent evidence that both proce.

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the reason of going infrastructure underground the reason of going infrastructure underground Solution Land and Location: Nature has given us limited resourses and the world we are living is three dimensional. Most of the mankind from their evolution is using this world in two dimensions only. Population is increasing day by day but the land we are living is not increasing. So, there is a necessity of using the third dimension i.e. up or down. If we are going to construct a metro in cities like Delhi (capital of india), It should be underground. Beacuse, comparing with area available in delhi, the populatin is too high. Delhi has too much populaiton density and lots of buildings on the land of delhi and literally no place available for new construction and it is impossible to construct a metro over the land. So, they constructed most of the metro in delhi in underground. Enviromental: Underground space offers natural protection to whatever is placed underground. If underground release any contaminants, surface environment is safe from them. Topographical: If we are going to construct a road or rail track in a hill area, it will be difficult and the journy above hills and mountains is not safe always. In that kind of places , underground tunnels are being constructed. social: Tunnels provide safe, environmentally sound, fast and unobtrusive urban mass transity system. We can easily tranport water and waste water thruoug tunnels easily..

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