In a radio link is required to send digital voice at 4800bps,but can.pdf

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In a radio link is required to send digital voice at 4800bps,but can only support a symbol rate of 1200 baud, how many symbol states must be used for this implementation? Solution Ans) As we need speed of 4800 bps but radio link supports 1200 baud, then number of bits represented by each symbol is 4800/1200=4 bits/symbol then number of symbol states =2(number of bits/symbol)=24=16 so answer is required symbol states =16.

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Fungal reproductive cycle. Place the appropriate label in the correct.pdf

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Explain the concept of distributive justice Solution distributive justice speaks about the distribution of goods and services among the people irrespecitve of their income levels and other social factors like wealth, fame and name in the society. the main moto is treat all the people same and treat them equally while offering a benefit to them. do not discriminate people based on their income, wealth, profession or anything. treat in an equal manner and fair manner only. and it is our responsibility to practice and implement this system to eliminate the inequalities among the people..

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Fecal-oral infections are often a result of _____ droplet transmission bodily fluid transmission airborne transmission foodborne transmission Solution food borne transmission Parasitic infections,which have direct life cycle and do not need an intermediate host to infect a new host and are spread via faecal contamination of food and drinks are often referred to as faecal orally transmitted parasites.Infections acquired through direct ingestion of infective eggs or cyst is intimately linked with the level of personal hygiene and sanitation in the Community..

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Dr. Z conducts a study examining the effect of socioeconomic status (SES) on depression. Half of her participants were raised in low SES homes; the other half was raised in high SES homes. Depression was assessed using the Beck Depression Inventory, an interval scale. Which of the following statements is true? a. The DV was a manipulated variable b. The IV was a manipulated variable c. The IV was a subject variable d. The study used a within-subjects design e. None of the above are true Solution a. The DV was a manipulated variable.

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Double branded DNA viruses (select only one answer) all insert their genome into the host\'s genome to be translated and transcribed likely have a slower rates of mutation than RNA viruses never cause diseases are more common than RNA viruses are responsible for 45% of the human genome because of their insertions Solution The double-stranded DNA viruses are unique pathogens which require a DNA intermediate for replication of new viral particles using reverse transcriptase enzyme. These viruses are particularly shown to be highly active pathogens for human and higher vertebrate infections from primitive times. They are less common than RNA viruses. However, like other RNA/DNA viruses, they too possess high mutation rates owing to faulty replication and lack of proof- reading by polymeraes. Importantly, as a mode of infection, all of these viruses do insert their genome or a part of it in the host cell\'s genome to promotes its transcription and translation. This is why double-stranded DNA viruses are difficult to eradicate from human/vertebrate hosts because they very easily modulate their molecular functions according to the host machinery. Some examples of diseases caused by such viruses are small pox, herpes infection etc. Thus, the above explanations states that choice 1 is most correct..

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Discuss the mechanisms by which antibiotic resistance genes can be horizontally transferred and the significance of this in terms of clinical antibiotic resistance. Solution The mechanisms by which antibiotic resistance genes can be horizontally transferred are: Transformation :Process by which bacteria take up DNA from outside environment. Conjugation : Process by which bacteria transfers gene to other cell directly through a plasmid via cell to cell contact. Transduction :Process by which gene is transferred from one bacteria to other via bacteriophage. The significance of this is that pathogenic bacteria continue to evolve thus resulting in bacteria that become more resistant to bacteria.This in turn poses difficulties to identify new strains produced and design drugs for them..

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Develop two biologically relevant and researchable questions comparing the plank tonic habitat to the benthic habitat (or to the flocculent material habitat in deep water) at Lake Herrick (you will be sampling from a pier or a bridge). Each question should address at least one of the following bulleted points. both biotic and abiotic components of both benthic and planktonic habitats. organism abundance. bacteria and/or fungi. be answerable using equipment available at the lake (Section Two, Lab equipment available in Section Two, Lab 2 (look ahead to these labs for equipment choices). have an answer that can be obtained from data and samples collected at the lake and analyzed in more detail in Section Two, Lab 2. Solution 1. Comparision of bacterial and fungal population present at the planktonic and benthic habitat of the Lake Herrick in different seasons and thwir ohylogenetic analysis. 2. Analysis of BOD from the samples collected from benthic and Planktonic habitat of Lake Herrick and effect on the environment according to their presence in the different habitat..

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Describe two methods for communicating the material in an Information Security policy to the staff of an organization. What are the strengths and weaknesses of each? Solution Information security means protecting information (data) and information systems from unauthorized access, use, disclosure, disruption, modification, or destruction. Information Security management is a process of defining the security controls in order to protect the information assets. Security Program The first action of a management program to implement information security is to have a security program in place. Though some argue the first act would be to gain some real \"proof of concept\" and \"explainable thru display on the monitor screen\" security knowledge. Start with maybe understanding where OS passwords are stored within the code inside a file within a directory. If you don\'t understand Operating Systems at the root directory level maybe you should seek out advice from somebody who does before even beginning to implement security program management and objectives. Security Program Objectives · Protect the company and its assets. · Manage Risks by Identifying assets, discovering threats and estimating the risk · Provide direction for security activities by framing of information security policies, procedures, standards, guidelines and baselines · Information Classification · Security Organization and · Security Education Security Management Responsibilities · Determining objectives, scope, policies,re expected to be accomplished from a security program · Evaluate business objectives, security risks, user productivity, and functionality requirements. · Define steps to ensure that all the above are accounted for and properly addressed Approaches to Build a Security Program · Top-Down Approach · The initiation, support, and direction comes from the top management and work their way through middle management and then to staff members. · Treated as the best approach but seems to based on the I get paid more therefor I must know more about everything type of mentality. · Ensures that the senior management who are ultimately responsible for protecting the company assets is driving the program. · Bottom-Up Approach · The lower-end team comes up with a security control or a program without proper management support and direction. · It is oft considered less effective and doomed to fail for the same flaw in thinking as above; I get paid more therefor I must know more about everything. Since advancement is directly tied to how well you can convince others, who often fall outside of your of job duties and department, as to your higher value to the company as stated by your own effective written communication this leads to amazing resume writers and take no blame style of email responses that seems to definitely lead to the eventual failure of company\'s standards and actual knowledge. It is often covered up by relationships which form at the power levels within any gr.

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Describe the following structures/functions or cells: Dermal, vascular, and ground tissues Root, stem, leaf - Monocot leaves and eudicot leaves Parenchyma, collenchyma, sclerenchyma, water- conducting cells of the xylem, and sugar-conducting cells of the phloem - Sieve-tube element and companion cell Explain the phenomenon of apical dominance Distinguish between determinate and indeterminate growth. Explain function of meristem. Describe and compare the three basic organs of vascular plants. Describe primary growth of stem and root and the formation of lateral roots. Distinguish between morphogenesis, differentiation, and growth Explain the ABC hypothesis of genetic control of flowering. Describe the use of Arabidopsis to understand plant development. Solution 1. 2.Apical dominance is the phenomenon in which the main stem of the plant is dominant over the side lateral stems.The dominance is mainly due to the exclusive control of terminal bud present at shoot apex over the growth of lateral bud present in the lateral shoots.This allows the plant to grow only vertically. 3.Determinate growth means the growth continues till a structure is formed and stops after that while indeterminate growth never terminates and the growth continues.The meristem tissues undergo indeterminate growth and therefore function in active division of plant parts such as stem and roots. 4.The three basic organs of vascular plants are roots, shoot and leaves.Root consists of a root cap and root hairs to increase the surface area of absorption of water and minerals.Stem is the vertical axis of the plant that consists of nodes and internodes.It consists of three tissues, dermal,ground and vascular tissues.Leaves consists of upper and lower epidermis with a mesophyll layer in betwee them.There is an upper palisade layer and a lower spongy layer in the mesophyll.Presence of green pigment called chlorophyll present in the leaves to carry out photosynthesis.Roots function to absorb water and dissolve nutrients from the soil and help the plant to anchor in the soil. Stems provide support to the plant and and transport water and food throughout the plant. Leaves function in photosynthesis and gaseous exchange. 5.When there is an increase in the length of stem and the root of plant , it is known as primary growth. It results due to the division of cell present at the apical meristem of stem and roots.Lateral roots are formed by division of cells present in the pericycle of the xylem radius of the root. 6.Morphogenesis is the process by which an organism starts to develop its morphology i.e size,shape and structure while differentiation is the process by which cells or tissues or organs develop specialised characters the development process while growth is the process by which the cell increases in size. 7.According to the ABC hypothesis,there are 3 classes of genes known as A,B and C that are transcription factors required to form different whorls of the flower. A genes form whor.

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Concrete and cement: I) Give an example of non-calcium silicate cement II) Can Portland cement hydrate without exposure to air? Solution (i)Answer:- Example for non calcium silicate cement is High alumina cement or cement fondu. The principal compound of cement fondu is mono calcium aluminate. (ii)Answer:- Yes cement can hydrate without exposure to air. 2Ca3SiO5 + 7 H2O = 3 CaO.2SiO2.4H2O + 3 Ca(OH)2.

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Compare the views of Piaget and Vygotsky on school instruction in abstract concepts. Solution Psychologist Vygotsky have illustrated that the prominent cultural mediation and child development and children deal with interpersonal communication. Vygotsky has described that how these psychological interactions are interacted to develop higher mental functions, and he explained the phenomenon a called internalization. In the early stages of child cognitive development Vygotsky observed a wide range of tasks with which a child used to do process of learning and how it will be completed. This zone was described by Vygotsky as “zone of proximal development” in children, a major part of school instruction in abstract concepts different from Piaget theory of instruction & development, in which not “inner speech or egocentric speech” has explained. Total three predominant phases were explained by Vygotsky to elucidate the child cognitive perspectives and also the relation between child learning and cognitive development 3 predominant positions: 1) Constructivism: Vygotsky defined this phenomenon as development always come first learning. This term illustrates that child must get a particular stage of maturation to go further with learning process. 2) Behaviorism: Cognitive development and learning need not be isolated but as a substitute, they can occur concurrently. Thereby he concluded that learning is nothing but development; 3) Gestaltism: Cognitive development and learning are both considered as interactive phenomenons. Piaget\'s theory of cognitive development: According to Piaget, cognitive reversibility is a tangible operation state in which children initially habituate and gain knowledge to understand the things how it works and alter they gain knowledge to return to their original state. Paiget illustrated children’s cognitive development in four stages They are 1. Sensory motor stage 2. Pre-operational stage (2 to7 years of old) 3. Concrete operational (children of 7 to 11 years old) 4. Formal operations (11 to 16 years adolescence stage) Preoperational stage defined as the stage at which children mainly habituate and gain knowledge to speak at the age of 2 to 7 years on school instruction in abstract concepts. In this stage child develops to use symbols initially and finally form enduring and manipulating symbols. In this stage, children do not develop logical thinking or reasoning. In concrete operational stage, children often develop logical thinking and efficient cognitive abilities. Preoperational stage includes the following stages of features on school instruction in abstract concepts with no \"inner speech or egocentric zone of proximal development\" but possess features such as such as a. animism; b. artificialism c. transductive reasoning. According Piaget conservation has illustrated as the process in which children at the age of 2 to seven are unable to think logically. But their logical thinking starts at the age of seven to el.

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A chemical that is very useful in a healthcare setting and in our homes is bleach, sodium hypochlorite. The chemical formula for bleach is NaClO. What happens to bleach when it is dissolved in water? Based on the periodic table, which parts of the dissolved bleach is more electronegative and, hence, more likely to react. Solution Answer: When bleach is dissolved in water it slowly decomposes, releasing sodium ions, chloride ions, and hydroxyl radicals: NaClO + H2O Na+ + Cl + 2 HO• The hydroxyl radical (HO•) is more electronegative and can react with organic compounds. It oxidizes the organic compounds..

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