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MATH 110 Midterm: Exam 1B Solutions Spring 2003

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turquoisegnu128

14 Mar 2019

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University of Maryland

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You have a series of drugs sent to you by a colleague. All of them work at the neuromuscular junction to affect synaptic transmission between the muscle fiber and the motor neuron"s axon. Drug a reduces the epp by 10 mv at a concentration of 10 nm whereas drug b has the same 10 mv effect at 35 nm. And what is likely to be the ion channel(s) through which it exerts its effects: turns out the drug that reduces mepp frequency does not bind to a transmembrane receptor after all. It has to get access to the cytoplasmic side of the plasma membrane. 3 point extra credit question) you can use any toxin you know of test the conclusions you made in the answer to question #4. What you are looking for are toxins that do exactly what the two drugs do. What toxins would have the same effects as (and might work at the same sites as) drug.

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A student she started this process, how much money will she have after 39 weeks a) Write the multiplication expression that modes this situation b) Evaluate the expression to anpwer the question Write your currently works part time and each week puts 525 Inta her If she had no money saved when savings jar in her.coom, if she had no meney .savins answer the question Write your answer in a complete contextual sentence. 7. If you deposit S If you deposit $950into an account and the accouet balance increases by,1.8% each yea. a) Write the exponential expression that Write the exponential expression that Write the exponential expression that Evaluate the expression to determine the a cent. Write your answer in a complete contextual sentence. t models this situstion if you leave the money in the models this stuation if you leave the money in the account for twe years b) c) c) mode's this situation if you leave the money in the account for five years expression that mode's this situation if you leave the money in the account for twelve years the amount you have at the end of the 12 year period. Round answer to the nearest honey bee colonies ina 8. The number of honey bee colonies has been decreasn g by about 8.5% each year. If there were 25,000 Write the exponential expression that models how many c) Write the exponential expression that models how many honey bees there would be after tern d) Evaluate the expression to determine how many haney bees there particuiar region a) Write the exponential b) the exponential expression that models how many honey bees there would be ater two years ion that models how many honey bees there would be afer tour years e years efter ten years. Since we are dealing with bees, round apprepriately. Write your answer in a complete contextual sentence. 9. A group of friends went out on Friday nignt for dinner ane erinks. The total bill without tax was $173.s0. The tax rate on restaurant food and alconoUs 625%. T he service et the restaura rt was great and they were a bg goup, so they crose to leave a 22% tip. a) Determine the amount of money they left for the tip b) Determine the total amount that they had to pay for their bil, tax, and tip. 10, According to the American Cancer Society in 2015 estimates that 40,290 women will die from dimensional analysis determine your final answer in a complete contextual sentence. Remember to round appropriately 11. According to an a n 2015 it estlmates that 40290 women will die from breast cancer. Using how many women will de per hour in 2015 due to breast cancer. Show al of your work and write article on the Global Issues.org web site."At least 80% of humanity Ewes on less than S10 a day." Source The population of the world ls about 7.3 billion people as of June 2015. Use these two pieces of information to complete the foliowing a) Write the population of the earth in standard form b) Estimate the number of people that live on less than $10 per day. Show all of your work for the estimace. Remember to use numbers that are easy to work with and do not use a calculator Now use a calculator to determine the number of people that live on less than $10 per day, 12. A large elephant can weigh up to 6,350 klograms, which is There is the belief that elephants are afraid of mice as often depicted in cartoons. Compare the weight of the mouse to determine how many times heavier the elephant is than the mouse. Show all of your work and answer in a complete contextual sentence. 6,350,000 grams. An adult mouse can weigh up to about 40 grams weight of the elephant to the write your

Show transcribed image text A student she started this process, how much money will she have after 39 weeks a) Write the multiplication expression that modes this situation b) Evaluate the expression to anpwer the question Write your currently works part time and each week puts 525 Inta her If she had no money saved when savings jar in her.coom, if she had no meney .savins answer the question Write your answer in a complete contextual sentence. 7. If you deposit S If you deposit $950into an account and the accouet balance increases by,1.8% each yea. a) Write the exponential expression that Write the exponential expression that Write the exponential expression that Evaluate the expression to determine the a cent. Write your answer in a complete contextual sentence. t models this situstion if you leave the money in the models this stuation if you leave the money in the account for twe years b) c) c) mode's this situation if you leave the money in the account for five years expression that mode's this situation if you leave the money in the account for twelve years the amount you have at the end of the 12 year period. Round answer to the nearest honey bee colonies ina 8. The number of honey bee colonies has been decreasn g by about 8.5% each year. If there were 25,000 Write the exponential expression that models how many c) Write the exponential expression that models how many honey bees there would be after tern d) Evaluate the expression to determine how many haney bees there particuiar region a) Write the exponential b) the exponential expression that models how many honey bees there would be ater two years ion that models how many honey bees there would be afer tour years e years efter ten years. Since we are dealing with bees, round apprepriately. Write your answer in a complete contextual sentence. 9. A group of friends went out on Friday nignt for dinner ane erinks. The total bill without tax was $173.s0. The tax rate on restaurant food and alconoUs 625%. T he service et the restaura rt was great and they were a bg goup, so they crose to leave a 22% tip. a) Determine the amount of money they left for the tip b) Determine the total amount that they had to pay for their bil, tax, and tip. 10, According to the American Cancer Society in 2015 estimates that 40,290 women will die from dimensional analysis determine your final answer in a complete contextual sentence. Remember to round appropriately 11. According to an a n 2015 it estlmates that 40290 women will die from breast cancer. Using how many women will de per hour in 2015 due to breast cancer. Show al of your work and write article on the Global Issues.org web site."At least 80% of humanity Ewes on less than S10 a day." Source The population of the world ls about 7.3 billion people as of June 2015. Use these two pieces of information to complete the foliowing a) Write the population of the earth in standard form b) Estimate the number of people that live on less than $10 per day. Show all of your work for the estimace. Remember to use numbers that are easy to work with and do not use a calculator Now use a calculator to determine the number of people that live on less than $10 per day, 12. A large elephant can weigh up to 6,350 klograms, which is There is the belief that elephants are afraid of mice as often depicted in cartoons. Compare the weight of the mouse to determine how many times heavier the elephant is than the mouse. Show all of your work and answer in a complete contextual sentence. 6,350,000 grams. An adult mouse can weigh up to about 40 grams weight of the elephant to the write your