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lori douglas

lori d.

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24 Question (2 points) See section 18.9 For the DNA bases guanine and cytosine, select the nitrogen atom(s) whose lone-pair electrons are included in the aromatic pi system. ("A" represents an unspecified group.)

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A graded potential causing hyperpolarization would bring a cell closer to threshold potential. True False

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Transaction 3: On the 1 June 201X the managers of the sales, production and logistics departments had a meeting with the chief executive officer (CEO) and chief financial officer (CFO) of Large Mart to discuss the company’s plans for the next financial year. During the meeting it was decided that Large Mart will expand its operations in the next financial year. During the meeting it was estimated that the expansion plan would cost approximately $1,000,000. At the end of the meeting the CFO was asked to meet with the company’s bank to determine if the bank would be willing to give Large Mart a loan of $1,000,000 to pay for the expansion. After meeting with the bank manager, the CFO has reported back that the bank will only give Large Mart a loan of $100,000. On the 5 June 201X the leaders of the sales, production and logistics departments meet again with the CEO and the CFO to discuss the banks answer. In this meeting it is decided that Large Mart should take the banks offer and sign a loan contract for $100,000. On the day after the meeting (on 6 June 201x) the CFO goes to the bank and signs the loan contract. The contract states that Large Mart will be given a $100,000 loan for a period of four years, that Large Mart is required to pay 6% interest per year (with interest payments being made at the end of each year during the loan period – the first payment will be required one year after the contract is signed), and that the whole principle will be repaid in one lump sum at the end of the loan period (this means that there are no repayments of the principal during the loan period). The bank then paid the full $100,000 loan amount to Large Mart on 6 June 201x. Required: 1. Determine if the signing of the loan contract creates a liability, a contingent liability or a provision for Large Mart 2. Provide all journal entries to record the signing of the loan contract and the receipt of funds by Large Mart 3. Determine if the interest for the loan that arises during the month of June 201X creates a liability, a contingent liability or a provision for Large Mart and calculate the amount of interest that arises during June 201X

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Consider the response of the Deaf community to the mass shooting. Which characteristic would tend to be protective? a. Its isolation from the hearing community b. Its relative newness c. Its closeness and mutual support d. Its reliance on ASL

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Darley and Latané conducted a study with college students who were told they would communicate with other students about emotional stress. Each participant sat alone in a room and was instructed to communicate with other students in other rooms. As it turned out, the "students in other rooms" weren't students at all; they were tape recordings of comments about the topic, so each participant heard the same comments. In the course of a conversation, one of the other students mentioned that they sometimes had seizures. This individual later began having difficulty speaking and asked for help. The researchers recorded the length of time it took each participant to seek help. There was a longer delay in seeking help when participants believed they were communicating with five other students instead of just two. Which ethical principle was violated in this study?

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How much work is done on the gas in this process? p (kPa) 400 200 +0 0 V(cm 100 200 300

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In bacteria, ribosomes can reinitiate translation at multiple Shine-Dalgarno sequences located in different positions across a single polycistronic mRNA.

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To compare the stress of elderly people living in rural and urban areas of Kazakhstan, a sample of 100 people from the countryside and 100 people from the city will be selected to complete a questionnaire. We will ask rural and urban hospitals to distribute the questionnaires respectively. 1. What are the particular characteristics of this sample? 2. How do we determine the sample size? What sample technique should we use?

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5. Solve using a table: \begin{cases} y=|x-1| \\ y+\frac{1}{3}x=3 \end{cases} 6. Solve algebraically: \begin{cases} y=\frac{x+1}{x-2} \\ y=\frac{x+1}{3} \end{cases}

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Due to the railway track geometry irregularities, the axle of a wheelset in a wagon is subjected to a repeated dynamic loading sequence. The loading sequence is repeated once a trip, and the dynamic loading is alternating. It has been recorded that one loading sequence contains the following loading amplitudes (i.e. stress amplitudes - the mean value of the stress is zero): $\sigma_a$ = 120, 110, 100 and 90 MPa. The number of dynamic loading cycles at each stress level is n = 20, 30, 150, and 500 respectively. The Wöhler curve of the material is, in this stress range, given by the relation $\sigma_a$ = - 50logN + 400 MPa a) Determine the damage accumulation D due to one loading sequence, and then, b) Determine how many loading sequences (how many trips) the axle might be used before fatigue failure is expected.

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