Questions

Listen Match the terms with the appropriate classes Cestoda Monogenea Trematoda Turbellaria 1 Endoparasitic 2 Free living and commensal 3 Ectoparasitic

iya aced in the last activity that between the 2 triangles you only need to know 4 angles to show that they are similar She wondered which fourth angle would work to prove that triangle RST is similar to triangle EFG In triangle RST Angle R is 90 Angle S is 25 Angle T is z In triangle EFG Angle E is 90 Angle F is y Angle G is z Draw a sketch of the triangles Then pick one angle measurement that would prove the triangles are similar Explain to Priya why knowing that angle would be enough

Indicat Choose production of egg sex cells mitosis formation of a scar meiosis prokariota cell division Choose osis is responsible for the type of cell division

The part of the neuron that receives nerve impulses is Select one a node of Ranvier O b dendrite c axon d Nissl body

Prokaryote Choose Eukaryotes DNA circular usually DNA linear molecules chromosomes with histone proteins DNA squere usually

What is the name of the process by which en early embryo attaches to the uterine wall Select one O a gastrulation b ovulation O c implantation d fertilisation

Which one of the following things is NOT performed by proteins Select one O a defend against microorganisms b hormonal function c transport of substances O d catalysis e storage of genetic information

Which type of muscles has multinucleated fibers or cells Select one O a oblique muscles b smooth muscles O c skeletal muscles d cardiac muscles

Which structure is NOT a supramolecular complex Select one a ribosome b mitochondrion Oc chromosome O d plasma membrane

Prokaryotes Choose Eukaryotes Choose Choose the RNA synthesis inside the nucleus protein synthesis in cytoplasm RNA synthesis in cytoplasm protein synthesis inside the nucleus RNA and protein synthesis coupled in cytoplasm 1

Each ovarian folicle in the cortex of the ovary is surrounded and supported by the Select one a muscle tissue b tunica albuginea c connective tissue d cytoskeleton structure

Which of the following proteins is abundant in the extracellular matrix Select one a keratin b tubulin c actin d elastin

Which of these is not a function of lipids Select one a long term energy storage b hormonal function c catalysis d insulation

What is the energy carrier in the ATP molecule Select one a sugar b bond between phosphate and sugar c phosphate bonds d adenine

Production of the cerebrospinal fluid is the function of ependymal cells True False Select one True False

Use the body temperatures in degrees Fahrenheit listed in the accompanying table The range of the data is 3 1 Use the range rule of thumb to estimate the value of the standard deviation Compare the result to the actual stand deviation of the data rounded to two decimal places 0 68 F assuming the goal is to approximate the standard deviation within 0 2 F Click the icon to view the table of body temperatures The estimated standard deviation is F Round to two decimal places as needed Data table 98 6 99 98 4 98 5 99 98 9 974 96 5 98 9 98 98 8 97 5 98 5 98 6 98 1 98 3 98 9 98 6 98 6 98 2 975 98 5 09 4 06 0

en standard deviation and the range rule of thumb to identify the limits separating values ignificantly high For such data would a brain volume of 1387 3 cm3 be significantly hig nificantly low values are pe an integer or a decimal cm cm or lower Do not round

Listed below are the amounts dollars it costs for marriage proposal packages at different baseball stadiums Fin the range variance and standard deviation for the given sample data Include appropriate units in the results Are there any outliers and are they likely to have much of an effect on the measures of variation 40 45 50 60 65 95 95 150 185 216 265 350 450 2000 2500 The range of the sample data is Type an integer or a decimal Do no stadiums dollars marriages marriages dollars

the range rule of thumb to estimate the standard deviations and compare the result to the 7 cm calculated using the 147 heights What does the result suggest about the accuracy of ng the range rule of thumb Assume the estimate is accurate if it is within 1 5 cm e the range rule of thumb to estimate the standard deviation s cm pe an integer or decimal rounded to two decimal places as needed

Words are powerful And words can reveal hidden assumptions prejudices and biases sometimes so embedded that the speaker doesn t even recognize how they are participating in them Read Test Yourself for Hidden Bias E Then read How Biased is Your News Source First try and find the photos on Google Did you find the photos Have others written and reported on this two image controversy How and why is it important for college students to unpack their own assumptions and belief systems

Let A x y z w and MR the Boolean matrix of the relation R on A If MR O a R is a poset O b R is an equivalence relation O c None O d R is asymmetric 0 1 1 1 0 0 0 1 0 1 00 0 0 0 0 Then

The homicide rate decreases at a rate of 7 per year in a city that had 1400 homicides in the most recent year At this rate in how many years will the number of homicides reach 700 in a year Complete parts a and b below a Give an approximate answer years Round to two decimal places as needed

Swered Marked out of 1 00 O b negation of the statement There exists an integer x x 1 or x 6 xe x 1 and x 6 VxEZ x 6 or x 1 3x EZ x 6 or x 1 LAS SEPT IN NEWAR Time left 1 41 54 VxEZ x 1 and x 6 VxEZ x 6 or x 1 3x EZ x 6 or x 1 VXEZ xZ6 and x 1 O The negation of the statement There exists an integer D Quiz Lana J 8 15 Te 22 23 Finish at

If w is irrational and v is rational then 3w 5v is irrational Proof Assume 3w 5v is rational then 3w 5v where a b e Z b 0 Then 3w 5v Since is rational then t c de Z and d 0 Then 3t 5 frac ad 5bc bd where ad 5bc bd Z and bd 0 where ad 5bc bd Z and 3bd 0 Hence to Then w is a rational number This is a contradiction The flaw in the previous proof if exists is corrected by assuming that Oate is an irrational number O a 3d w is an irrational number O b god a b 1 Oc a b are positive integers O d w is an irrational number and e is rational

Total emissions of carbon dioxide from the burning of fossil fuels have been increasing at about 7 per year data from 2010 to 2011 If emissions continue to increase at this rate about how much higher will total emissions be in 2050 than in 2010 Using the approximate formula emissions will increase by a factor of between 2010 and 2050 Using the exact formula emissions will increase by a factor of between 2010 and 2050 Round to two decimal places as needed

distinguish beta thalassemia min from alpha thalassemia iron deficiency anemia and hemoglobinopathies is Question 45 Answer Heinz body stain b HbA2 level C serum iron d globin solubility

about hereditary spherocytosis is true Question 40 Answer a Cells have an increased mean cell hemoglobin concentration MCHC b Membrane loss and red cell trapping occur in the Hepatic microcirculation C Red cell osmotic fragility is decreased d Abnormally shaped cells are produced in the bone marrow

Question 42 Answer a Renal hormone that regulates marrow red cell production b Hormone produced by the liver that stimulates megakaryopoiesis C Marrow hormone secreted by developing megakaryoblasts d Pituitary hormone that controls

Scientists believe that Earth once had 10 trillion tons of a naturally existing plutonium isotope back when the Earth was formed Given a half life of 26 000 years for that specific plutonium isotope and the Earth s current age of 4 6 billion years how much would remain today Use your answer to explain why this isotope is not found naturally on Earth today The remaining amount after 4 6 billion years will be ton s Round to three decimal places as needed

important component of distinguishing science from pseudoscience is being able to distinguish that information is from a credit urce Select all of the following that are considered to be credible sources Peer reviewed academic journals University sponsored website that includes references from peer reviewed journal articles Social media posts that reference blog posts Your college textbook copyright 2019 Social media posts with no reference An academic journal s website featuring its published articles A blog from a website that is recommending that you purchase a product from them An opinion article in a popular newspaper

1 2 M Mo Lk g Pus make 9 Subject

Scientists believe that Earth once had 10 trillion tons of a naturally existing plutonium isotope back when the Earth was formed Given a half life of 26 000 years for that specific plutonium isotope and the Earth s current age of 4 6 billion years how much would remain today Use your answer to explain why this isotope is not found naturally on Earth today The remaining amount after 4 6 billion years will be ton s Round to three decimal places as needed

normal compensating mechanism in which of the following conditions Question 14 Answer a Heavy smoking b Cardiovascular disease C Renal tumors d Pulmonary disease

of nonmegaloblastic than megaloblastic anemia Question 6 Answer a Round macrocytes b Howell Jolly bodies C Oval macrocytes

with a globin chain mutation that alters hemoglobin Question 3 Answer a oxygen binding b function C stability d solubility

Question 4 Answer a case Impaired release of storage iron because of increased hepcidin levels b Increased erythropoietin response by committed red cell progenitor cells C Damaged bone marrow stem cells d Immune destruction caused by red

Jose borrowed 8680 for 7 months at an annual interest rate of 7 The bank also charges a 100 processing fee What is the actual annual simple interest rate for this loan Consider any fees as part of the total interest Round to hundredth of a percent enter as a percent For example 3 45

Compare the doubling times found with the approximate and exact doubling time formulas Then use the exact doubling time formula to answer the given question Inflation is causing prices to rise at a rate of 10 per year For an item that costs 300 today what will the price be in 4 years Calculate the doubling times found with the approximate and exact doubling time The approximate doubling time is years and the exact doubling time is years Round to two decimal places as needed

The population of a large city grows exponentially with a current population of 1 34 million and a predicted population of 1 51 million 10 years from now a Use an exponential model to estimate the population in 15 years Assume the annual growth rate is constant b Find the doubling time of the population

A savings account advertises an annual percentage yield APY of 5 7 which means that the balance in the account increases at an annual growth rate of 5 7 yr a Find the balance in the account for t20 with an initial deposit of 1000 assuming the APY remains fixed and no additional deposits or withdrawals are made b What is the doubling time of the balance c After how many years does the balance reach 4500 a Use the exact value of k when finding the balance in the account The balance in the account is y t 0 Type an expression using t as the variable

Does the frequency distribution appear to have a normal distribution using a strict interpretation of the relevant criteria 50 54 55 59 60 64 65 69 70 74 75 79 80 84 Does the frequency distribution appear to have a normal distribution A No the distribution does not appear to be normal OB No the frequencies do not decrease from the maximum frequency to a low frequency OC Yes all the requirements are met

In 1965 Gordon Moore observed that the number of transistors that could be placed on an integrated circuit was approximately doubling each year and he predicted that this trend would continue for another decade In 1975 Moore revised the doubling time to every two years and this prediction became known as Moore s Law Complete parts a and b below a In 1980 a company introduced a processor whose integrated circuit chips each contained 27 000 transistors Use Moore s revised doubling time to find a function y t that approximates the number of transistors on an integrated circuit chip t years after 1980 Use the exact value of k y t Type an expression using t as the variable

The graph to the right compares teaching salaries of women and men at private colleges and universities What impression does the graph create Does the graph depict the data fairly If not construct a graph that depicts the data fairly What impression does the graph create 80000 OA No because the data are two dimensional measurements OB No because the vertical scale does not start at zero OC Yes because the bars accurately represent each average OD Yes because the vertical scale is appropriate for the data 70000 Salaries ELXH OA The graph creates the impression that men have salaries that are more than twice the salaries of women OB The graph creates the impression that women have salaries that are slightly higher than that of men OC The graph creates the impression that men and women have approximately the same salaries OD The graph creates the impression that men have salaries that are slightly higher than that of women Does the graph depict the data fairly

random my a random sample has the weaker requirement that all members of the population have the same chance of being selected Determine whether each of the following is a simple random sample and a random sample Complete parts a through c a In Major League Baseball there are 30 teams each with an active roster of 25 players The names of the teams are printed on 30 separate index cards the cards are shuffled and one card is drawn The sample consists of the 25 players on the active roster of the selected team This sample a simple random sample It a random sample b For the same Major League Baseball population described in part a the 750 names of the players are printed on 750 separate index cards and the cards are shuffled Twenty five different cards are selected from the top The sample consists of the 25 selected players This sample a simple random sample It a random sample c For the same Major League Baseball population described in part a a sample is constructed by selecting the 25 youngest players This sample a simple random sample It a random sample e

x 8 7 1 2 x 1 2 3 Determine the mean and variance of the random variable Problem 2 Suppose that X has a discrete uniform distribution on the integers 0 through 9 Determine the mear variance and standard deviation of the random variable Y 5X and compare to the correspondir racul

Use the approximate half life formula for the case described below Discuss whether the formula is valid for the case described Poaching is causing a population of elephants to decline by 4 per year What is the half life for the population If there are 10 000 elephants today how many will remain in 60 years Use the approximate half life formula What is the half life for the population years Type an integer or decimal rounded to the nearest hundredth as needed

23 24 25 and 26 Find the area of the region that lies inside both c 23 r 3 cos 0 r sin 0 SHOW ANSWER 24 r 1 cos0 r 1 cos 0 25 r sin 20 T cos 20 SHOW ANSWER 26 r 3 2 cos 0 r 3 2 sin 0

Problem 1 F x 8 7 1 2 x 1 2 3

K Refer to the table summarizing service times seconds of dinners at a fast food restaurant How many individuals are included in the summary Is it possible to identify the exact values of all of the original service times Time sec 60 119 120 179 180 239 240 299 300 359 individuals are included in the summary Type a whole number Is it possible to identify the exact values of all of the original service times Frequency C 9 22 14 3 6 OA No The data values in each class could take on any value between the class limits inclusive OB Yes The data values in each class are equal to the corresponding class midpoint OC No The frequency distribution tells nothing about the data values that fall below the lowest class limit or above the highest class limit OD Yes The data values in each class are spread evenly across the full length of the class

Using the approximation log 102 0 301 find each of the following without a calculator a log 108 b log 102000 1 c log 10 8 d log 100 2 a log 108 0 903 Simplify your answer Type an integer or decimal rounded to three decimal places as needed b log 102000 3 301 Simplify your answer Type an integer or decimal rounded to three decimal places as needed 1 c log 10 8 0 903 Simplify your answer Type an integer or decimal rounded to three decimal places as needed d log 100 2 Simplify your answer Type an integer or decimal rounded to three decimal places as needed C