How does convection differ from conductionA) In convection, magnet.pdf

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How does convection differ from conduction A) In convection, magnetic poles attract or repel one another in a similar manner, whereas in conduction, this does not happen. B) Convection involves fluid motion, whereas conduction does not. C) Convection is independent of pressure, whereas conduction is not. D) The rate of heat convection in a given direction is proportional to the temperature gradient in that direction, but in conduction, it is inversely proportional. Solution option b- convection involves fluid motion where as conduction does not.

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At what layer of the OSI model would you find framing? A. Transport B. Network C. Data Link D. Physical Solution C is correct. The Data Link layer is responsible for encapsulation, framing, media access, and physical addressing. A, B, and D are incorrect. A is incorrect because the Transport layer is responsible for segmentation, flow control, and reliable end-to-end data delivery. B is incorrect because the Network layer is responsible for logical addressing and routing. D is incorrect because the Physical layer is responsible for encoding bits onto the media..

At what layer of the OSI model would you find framingA. Transport.pdf

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You get a call from a home computer user saying her computer is very slow today and both the NIC status light on the computer and the Internet status light on her DSL modem have been extremely active. What do you suspect? A. Her computer has been compromised and is being used as a zombie. B. She is sending an excessive number of e-mails to friends and family. C. Her computer is infected with a dialer. D. Her computer is being subjected to a phishing attack. Solution A. It’s likely that her computer has been compromised by a rootkit or other malware that is using the computer as a “zombie,” which is a computer that is part of a large collection of compromised computers being used as spam relays or as part of a distributed denial-of-service (DDoS) attack on a host on the Internet..

You get a call from a home computer user saying her computer is very.pdf

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Trace the path the red blood cell would take as it travels between the right pollex to the left ankle. Include all chambers, valves, and vessels. You can use arrows between structures. Solution The blood starts with Digital veins----> Cephalic vein-----> Right and left brachiocephalic veins----> Superior vena cava----> Right atrium of the heart----->Right ventricle of the heart-----> pulmonary artery-----> pulmonary arterioles-----> pulmonary capillaries----> pulmonary venules----> pulmonary vein--- -->Left atrium of the heart----> Left ventricle of the heart---->aorta ----> Common iliac artery----> External iliac artery----> Femoral artery----> popliteal artery----> Anterior tibial artery.

Trace the path the red blood cell would take as it travels between t.pdf

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Which of the following represents a difference between viruses and viroids? Viruses infect many types of cells whereas viroids infect only prokaryotic cells. Viruses have capsids composed of protein, whereas viroids have no capsids. Viruses contain introns; viroids have only exons. Viruses always have genomes composed of DNA, whereas viroids always have genomes composed of RNA. Viruses cannot pass through plasmodesmata, viroids can. What is the primary role of prokaryotes? parasitizing eukaryotes, thus causing diseases. breaking down organic matter. metabolizing materials in extreme environments. adding methane to the atmosphere. serving as primary producers in terrestrial environments. SARS is associated with what form of virus? Hantavirus. Filovirus. Coronavirus. Influenza Adenovirus An infectious material is isolated from a nerve cell. It contains protein with Amino acid sequences identical to the host protein but no nucleic acids. It belongs to the group Archaea. Prions Toxin producers Viroids Sporoformers Solution 47) B)Viruses have capsids composed of proteins while viroids don\'t have this protein coat or capsid. Both viruses and viroids can infect many cells, Viruses have exons, genome of viruses are composed of DNA and Rna both. 48) B) Primary role of prokaryotes is breaking down organic matter. Prokaryotes like bacteria and cyanobacteria, break down the complex organic matter to utilize energy from them into smaller particles. 49) C SARS is associated with coronavirus. Coronaviruses primarily infect the upper respiratory and gastrointestinal tract in birds and mammals. 50) B Prions.Prions are infectious agents having only proteins but no nucleic acid and can cause neurodegenerative diseases in mammals.

Which of the following represents a difference between viruses and vi.pdf

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What is Impact Factor? Derive a relationship between static and Dynamic Deflection (delta and delta st) and Equaivalent Static Force (Fe) and static loading due to weight of part (W) in a member subjected to tensile loading. Solution The impact factor (IF) of an academic journal is a measure reflecting the average number of citations to recent articles published in that journal. It is frequently used as a proxy for the relative importance of a journal within its field, with journals with higher impact factors deemed to be more important than those with lower ones. The impact factor was devised by Eugene Garfield, the founder of the Institute for Scientific Information. Impact factors are calculated yearly starting from 1975 for those journals that are indexed in the Journal Citation Reports..

What is Impact Factor Derive a relationship between static and Dynam.pdf

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What happens when a non-native species (plant or animal) is introduced into a new environment? Give ONE example and thoroughly explain, citing references. Solution Answer= The relocation of organisms across geological boundries occurs naturally by various means Some species may be introduced & not be able to survive in new environment & their populations sour e.g. lack of predators may contribute to their rapid population increases Introduced species have pronouced effects on their new ecosystem called as invasive species these effects includes 1] outcompeting native species 2] causing native species extinction 3] Altering ecosystem functioning Example- Brown snake tree(Boiga irregularis ) is an invasive that has tought scientist much about impact of introduced species on islands The ivvasion has created significant ecological problems It is an aggressive predator causing extinction of local species has impact on human health Citing reference.

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What are the techniques used in nanomanifacturing ? What are the techniques used in nanomanifacturing ? Solution Manufacturing at the nanoscale is known as nanomanufacturing. Nanomanufacturing involves scaled-up, reliable, and cost-effective manufacturing of nanoscale materials, structures, devices, and systems. It also includes research, development, and integration of top-down processes and increasingly complex bottom-up or self-assembly processes. In more simple terms, nanomanufacturing leads to the production of improved materials and new products. As mentioned above, there are two basic approaches to nanomanufacturing, either top- down or bottom-up. Top-down fabrication reduces large pieces of materials all the way down to the nanoscale, like someone carving a model airplane out of a block of wood. This approach requires larger amounts of materials and can lead to waste if excess material is discarded. The bottom-up approach to nanomanufacturing creates products by building them up from atomic- and molecular-scale components, which can be time-consuming. Scientists are exploring the concept of placing certain molecular-scale components together that will spontaneously “self- assemble,” from the bottom up into ordered structures. Within the top-down and bottom-up categories of nanomanufacturing, there are a growing number of new processes (techniques) that enable nanomanufacturing. Among these are:.

What are the techniques used in nanomanifacturing What are th.pdf

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What is the definition of hybrid system? Could you give an example of one? Solution A Hybrid System is determined as an environment be of both Electronic and Paper-based Records. A very frequent example of a Hybrid System is one in which the system user devolep an electronic record using a computer-based system and then is necessitate to sign that record as per the affirm Rules. So the system does not have an electronic signature option, so the user has to print out the report and sign the paper copy. Now he has an electronic record and a paper or handwritten signature. The system has an electronic and a paper component, so by this the term come as hybrid..

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Using the phylogeny shown, which of the following is a shared derived character for the leopard? A. Hair B. Four walking legs C. Vertebral column D. Hinged jaws E. Amnion Solution A derived character is an advanced trait that only apperas in some members os an evolunary group. For example derived character is the loss of tail, a trait that first appered in an ancestor of apes and man. From the above question, \"E\".Aminion. is the derived character..

Using the phylogeny shown, which of the following is a shared derived.pdf

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The systemic circuit delivers oxygenated blood to _ and returns blood to the body organs right atrium lungs right atrium D body organs, left atrium All of vessel names below refer to both an artery and a vein except the femoral. gonadal axillary. basilica. The common iliac artery branches off of the inferior vena cava. abdominal aorta. thoracic aorta. celiac trunk. pulmonary trunk. After entering arm, the artery becomes the axillary radial artery. ulnar brachial subclavian the vein is a superficial vein that ascends along the medial side of the forearm. radial ulnar cephalic basilica brachial Solution 4] The systematic circuit delivers oxygenated blood to body organ and returns blood to the right atrium Systemic circulation carries oxygenated blood from the left ventricle, through the arteries, to the capillaries in the tissues of the body. From the tissue capillaries, the deoxygenated blood returns through a system of veins to the right atrium of the heart 5] All of the vessel name below refer to both an artery and vein except basilic 6] The common iliac artery branches off of the celiac trunk 7] After entering the arm the axillary artery becomes the brachial artery 8] The basilic vein is a superficial vein that ascends along the medial side of the forearm Basilic is a large superficial vein of the upper limb that helps drain parts of the hand and forearm.

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Assume that a new type called POINT has been defined- it is a structure consisting of two fields, x and y, both of type double. Assume two variables p1 and p2 of type POINT have been declared. Assume that p1 has already been initialized. Write a statement that gives p2 the same value that p1 has. Solution struct Point { double x; double y; } int main() { struct Point p1; struct Point p2; p1.x=1.0; p1.y=2.0; p2=p1; return 0; }.

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4. Jaster Jets has $10 billion in total \'assets. Its balance sheet shows $1 billion in current liabilities, $3 billion in long-term debt, and $6 billion in common equity. It has 800 million shares of common stock outstanding, and its stock price is $32 per share. What is Taster\'s market/book ratio? Solution Market value of shares: = 800 million×$32 = $25,600 million Book value of equity: = $10,000 million-$1,000 million-$3,000 million = $6,000 million Market to book ratio: = $25,600 million/$6,000 million = 4.27 times.

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58,59,60 Where is smooth endoplasmic reticulum (SER) especially abundant? brain. liver. heart. lungs. skin. What is the function of the tonoplast? A Provides channels for maintaining fluid balance Protein synthesis Photosynthesis Cell division Storage of genetic information Which is involved in crawling, \"pinching\' extensions? Microtubules. Intermediates. Actin. None of the above. All of the above. Solution 58.Where is Smooth Enddoplasmic reticulum (SER) especially abundant? ANS-B. Liver (abundant in mamalian liver and gonads cells) 59.What is the function of the tonoplast? ANS- A.Provides channels for maintaining fluid balance (tonoplast is a stretchy membrane and it function to separate the fluid filled vacuole from surrrounding cytoplasm.water flowing in and out of the vacuole is regulated by tonoplast) 60.Which is involved in crawling \"pinching\" extensions? ANS-C. Actin (microfilaments or actin is responsible for cellular movements such as contraction,crawling,\"pinching\" during division,and formation of cellular extension).

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A population of rodents contained 703 individuals at the end of March. During the month of April, 47 died, 17 were born, 57 immigrated, and 16 emigrated. What was the population size after those events? Is the population growing or shrinking? By what population rate? A population of rodents contained 703 individuals at the end of March. During the month of April, 47 died, 17 were born, 57 immigrated, and 16 emigrated. What was the population size after those events? Is the population growing or shrinking? By what population rate? Solution Answer) We have an initial population size (N) = 703 individuals the number of total births (b) = 17 and deaths (d) = 47 the number of total emigration (e) = 16 and the immigration (i) = 57 so, the new population size will be calculated as N\' = N + (b+i) - (d+e) = 703 + (17+57) - (47+16) = 703+11 = 714 yes, this population is growing. now, the population growth rate will be = N\' - N / N x 100 per unit time = 714-703/703 x 100 per month = 11/703 x 100 per month = 1.56 % per month. hence, the population growth rate for the given rodent population is 1.56% per month..

A population of rodents contained 703 individuals at the end of Ma.pdf

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4. What are “releasing hormones”? …”inhibiting hormones”? where do they come from and what is the primary target? Which hormones have releasing hormones and what do they have in common? (3-4 sentences) Solution Releasing hormones: These are hormones which regulate other hormones for their secretion from their respective glands. For example thyrotropin-releasing hormone which release thyroid- stimulating hormone. Inhibiting hormones: These are basically those hormones which have function for inhibiting other hormones production. For example melanocyte Inhibiting hormone secret from hypothalamus and inhibits melanocyte-stimulating hormone. These hormones are secreted from majorly hypothalamus but also secreted by adrenal cortex, myocytes and cerebral cortex. Major releasing hormones: Corticotropin-releasing hormone (CRH), growth hormone releasing hormone (GnRH),, gonadotropin-releasing hormone (GHRH),: these are basically secreted by hypothalamus and help to release hormones from pituitary..

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Some parents refuse to have children vaccinated. Should these parents be forced to vaccinate their children in order to protect the rest of society against the reemergence of diseases such polio, measles, or smallpox? Some parents refuse to have children vaccinated. Should these parents be forced to vaccinate their children in order to protect the rest of society against the reemergence of diseases such polio, measles, or smallpox? Solution The main reasons parents refuse to have children vaccinated is due to the belief that such illnesses as polio and measles have been eradicated or aren\'t serious and that vaccines cause autism or have side effects. They feel that children receiving too many vaccinations at once, preservatives in vaccines are dangerous. For children who are fully vaccinated and over six months of age, these vaccines provide lost lasting immunity for their rest of life. The parents should know the importance of their children being vaccinated and this would have a long lasting immunity which would protect their children from these deadly diseases..

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RNA processing 1. Pretend the following string of letters is a sequence of DNA his sequence has introns and exons in which the exons are actual English words In the example below, find the exons and introns A) Underline the exons and circle the introns THEQRASTRVAFATORASTRVACATQRASTRVAATEQRASTRVATHEQRASTRVARED QRASTRVAWETQRASTRVAR AT B) What do you notice about the introns? C) In the sentence we made before by removing the introns, which words can you leave out and still make a sentence that makes sense? Write all the possible alternatives. Solution a.Exons: THE, FAT, CAT, ATE, THE, RED, WET, RAT Introns: QRASTRVA: b. All the introns present in DNA possess same sequence. c. Other alternative sence words are: THE FAT CAT ATE RED RAT; THE FAT CAT ATE WET RAT; THE CAT ATE RED RAT; THE CAT ATE RED WET RAT etc.

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