Questions

A Phosphate Group Lipid D Nonaqueous Cytosol Nonaqueous Aqueous Nonaqueous Environment Cytosol Environment B C Nonaqueous Cytosol Nonaqueous Environment Nonaqueous Cytosol E F Aqueous Nonaqueous Cytosol Environment Nonaqueous Environment Aqueous Cytosol Nonaqueous Environment Figure 1 Proposed models of hypothetical plasma membranes Each model represents a small portion of the hypothetical plasma membrane and illustrates the orientation of the phospholipids A student proposes six models of a hypothetical plasma membrane Figure 1 Identify the model that best represents the plasma membrane of a hypothetical cell that exists in a nonaqueous environment and whose cytosol is similar to that of an animal cell Provide TWO pieces of reasoning to support your identification AGE FOR ANSWERING QUESTION 8

DNA mRNA OR 1 2 4 5 1 3 4 5 Ligand A Ligand B Protein Protein A Plasma Membrane Protein B Plasma Membrane Exon Intron 2nd Messenger Figure 1 Receptor proteins produced as a result of alternative splicing followed by activation of a second messenger 4 Cell signaling in eukaryotes is often dependent on receptor proteins located in the plasma membrane During the production of the mature mRNA molecules coding for these receptors pre mRNA molecules are processed to remove introns and to connect exons together The exons contain the sequences that code for proteins In certain instances different mature mRNA molecules can be formed from the same pre mRNA by alternative splicing which results in different protein sequences in the resulting polypeptides Figure 1 represents the expression of a gene with 5 exons that can be alternatively spliced to produce receptor protein A and receptor protein B a Explain how ligand A and ligand B can cause identical cellular responses in a cell b Predict the most likely effect of a two nucleotide deletion in the middle of the intron located between exc 4 and 5 on the structure of protein A Justify your prediction

Find the critical point or points for the given autonomous system Then identify its phase portrait dx x 2y dt dy 16x x 3 Select the correct choice below and if necessary fill in the answer box to complete your choice A The critical point s is are Type an ordered pair Use a comma to separate answers as needed B There are no critical points Choose the phase portrait which matches the system A O B y 54321O12345 5432101234 C O D 1043210123 5 4 3 2 1 X 5 4 3 2 10 1 2 3 4 5 5 4 3 2 1 0 1 2 3 4 5 5 4 3 2 1 0 1 2 3 4 5 5 4 3 2 1 0 1 2 3 4

TheMortgageReports com reported the median price of a home sold in the United States hit a record high in 2020 at just above 320 000 Juan Carlos Soto Jr wants to purchase a new home for 306 500 Juan puts 20 down and will finance the remainder of the purchase Compare the following two mortgage options he has 15 years at 4 5 or 20 years at 5 5 Use Table 15 1 Note Round your intermediate calculations and final answers to the nearest cent a Calculate Juan s monthly payment for both the 15 and 20 year mortgage Answer is not complete Monthly payment for 15 year mortgage Monthly payment for 20 year mortgage b Calculate Juan s total cost of interest for both the 15 and 20 year mortgage Answer is not complete Total cost of interest for 15 year mortgage Total cost of interest for 20 year mortgage 92 436 800 c What is the difference in interest paid between 15 and 20 year mortgage

If you buy a home with less than 20 down you will pay an additional monthly fee PMI private mortgage insurance until you reach 20 equity Keep track of when you reach 20 equity so you can request to have your PMI removed Ken Buckmiller s home recently appraised at 297 000 His mortgage was for 282 000 at 5 for 30 years with PMI of 299 17 per month What is his monthly payment plus PMI His mortgage balance is currently 183 000 Has he reached 20 equity Use Table 15 1 Note Round your intermediate calculations and final answer to the nearest cent Monthly payment Has he reached 20 equity Yes

If you buy a home with less than 20 down you will pay an additional monthly fee PMI private mortgage insurance until you reach 20 equity Keep track of when you reach 20 equity so you can request to have your PMI removed Ken Buckmiller s home recently appraised at 297 000 His mortgage was for 282 000 at 5 for 30 years with PMI of 299 17 per month What is his monthly payment plus PMI His mortgage balance is currently 183 000 Has he reached 20 equity Use Table 15 1 Note Round your intermediate calculations and final answer to the nearest cent Monthly payment Has he reached 20 equity Yes

Find the six trigonometric function values for the angle a shown

Daniel and Jan agreed to pay 546 000 for a four bedroom colonial home in Waltham Massachusetts with a 50 000 down payment They have a 25 year mortgage at a fixed rate of 6 Use Table 15 1 a How much is their monthly payment Note Round your answer to the nearest cent Monthly payment b After the first payment what would be the balance of the principal Note Round your answers to the nearest cent Payment number Portion to Balance of loan Interest Principal outstanding

Find the consumer s surplus for the following demand curve at the given sales level x p 3 X x 24 12 The consumer s surplus is Round to the nearest cent as needed

6t 1 1 2 degrees What was the average temperature during that period During a certain 9 hour period the temperature at time t measured in hours from the start of the period was T t 41 6t The average temperature was Simplify your answer

Find the average value of the function f x x 3 from x 0 to x 6 The average value of the function f x x 3 from x 0 to x 6 is

Determine the average value of f x over the interval from x a to x b where f x Set up 1 1 a and b 2 2 the integral that is used to find the average value Write all constant factors associated with the endpoints outside of the integral sign 2 dx

1 Determine the average value of f x over the interval from x a to x b where f x X The average value is Type an exact answer 1 a and b 3 3

Complete the following table Use Table 15 1 Note Round your intermediate calculations and final answer to the nearest cent First Payment Broken Down Into Selling price Down payment Amount mortgage Rate Years Monthly payment Balance at end of month Interest Principal 120 000 5 000 6 50 30

Sketch a rational function subject to the given conditions Horizontal asymptote y 1 Vertical asymptote x 2 y Intercept x Intercept 3 0 Part 0 3 Part 1 of 3 Sketch the horizontal asymptote y 1 and vertical asymptote x 2 X G

Which of these is not true regarding the Magna Carta John was forced to sign it by the English nobility It serves as the basis of many liberties in England and the United States It showed that the English king was not above the law It established a separation of church and state in England

This Crusade ended with the conquest of Constantinople by the crusaders Third Crusade First Crusade Second Crusade O Fourth Crusade

The dynasty that ruled over the Angevin Empire was the O Valois O Capetians Plantagenets

Which of these events was beneficial to France in the Hundred Years War O Coronation of Charles VII O Treaty of Bretigny O Battle of Crecy Treaty of Troyes

Which of these was not an outcome of the First Crusade O The establishment of the Crusader states O The formation of the Military Orders O The recovery of the Holy Land by the Byzantines O The building of massive castles in the Holy Land

EXAMPLE 7 Find the critical numbers of the function f x x3 5 3 x SOLUTION The Product Rule gives the following F x x13 3 x 3 3 x 3 3x The same result could be obtained by first writing f x 3x3 5 x 5 Therefore f x 0 if and f x does not exist when x Thus the critical numbers are larger and smalle

Joan of Arc helped to relieve the siege of Orleans Paris Agincourt Reims

Which European country became the predominant power during the later Medieval period O Italy France England Germany

This battle set the Crusades in motion O Manzikert O Antioch Hattin

The Crusade known as the Crusade of Kings was O The Third Crusade The Second Crusade The First Crusade The Fourth Crusade

Which cultured and educated German emperor created the University of Naples O Otto the Great Rudolf of Habsburg O Frederick II O Frederick Barbarossa

draw and label a phylogenetic tree of these items door window chair table bed television sta envelope bookshelf sofa and notebook

A SCHOLARSHIPS FOUR OF EIGHT FINALISTS WILL BE SELECTED AND AWARDED 10 000 SCHOLARSHIPS IN HOW MANY WAYS CAN THIS SELECTION BE MADE B PRIZES A TEACHER DECIDES TO GIVE SIX DIFFERENT PRIZES TO SIX OF THE 30 STUDENTS IN HER CLASS IN HOW MANY WAYS CAN SHE DO SO

Irina uses a set of coordinate axes to draw her design of a window The base of the window is on the 2 axis the upper part of the window is in the form of a quadratic curve and the sides are vertical lines as shown on the diagram The curve has end points 0 10 and 8 10 and its vertex is 4 12 Distances are measured in centimetres The quadratic curve can be expressed in the form ya br c for 0 8 a Write down the value of c a ill Hence find the equation of the quadratic curve b Find the area of the shaded region In Irina s design

The components of v 250i 300j represent the respective number of gallons of regular and premium gas sold at station The components of w 2 80i 2 91j represent the respective prices per gallon for each kind of gas Find v w and describe what the answer means in practical terms v w Round to the nearest whole number as needed

Ectoderm Lacunae Inner cell mass Hypoblast Uterine glands Amniotic cavity Trophoblast Epiblast Endoderm Day 8 Day 12 Mesoderm Day 16 Stratum functionalis Day 4 7 filled with maternal blood AGCOGGG Lumen of uterus Reset Help

ion 17 a c R a b c A O true B falco I b 2 I c 4 I R 2 2 4 2 3 6 3 2 6 3 3 9 Select o 1 points

Translate each of the following sentences about the beans in the bowl using the given translation key Domain The world and everything in it J x x is a jellybean i e one of those in the pictured bowl R x x is red G x x is green B x x is black NOTE Click here for info on typing symbols and formulae in activities Question 8 If some of the jellybeans are black then none are red Question 9 Some of the jellybeans are not black Question 10 4 points 4 points

Find the inverse function of f x f x for the function Show intermediate st f x 8x 2

ITTERBUG CONTEST THE PROBABILITY THAT BOB AND SUE NENNO WILL WIN THE ITTERBUG CONTEST IS 0 7 FIND THE ODDS IN FAVOR OF THEM WINNING

The National Transportation Safety Board collected data showing that 70 of all licensed drivers are older than age 25 Information on the age of n 50 individuals who recently received speeding tickets was sourced by a team of researchers interested in examining whether the age distribution of individuals who receive speeding tickets is different from the age distribution of licensed drivers Question What is the appropriate analysis to answer this research question and why

For both of the following problems identify the function whose level curve is the surface described and use it to solve the integration problem a Integrate f x y z 22 over the hemisphere given by the equation x y z 4 for z 0 Hint If you choose the circle x2 y 4 as R note that z 0 in R and plug that into the integral in that instance Answer 0 b Integrate f x y z x y z over the portion of the plane 2x 2y z 2 that lies within the first octant which means x y z 0 Hint If you choose the triangle in the x y plane as R note that 20 here so you can plug that into f in that instance Answer 1

A zoologist wants to establish the more successful technique for training dogs to fetch i e teaching a dog to retrieve a ball upon the command fetch from the owner The zoologist recruits a sample of two hundred dogs who do not know how to fetch and their pet owners to participate in a study aimed at identifying how different types of rewards may be related to success in getting dogs to fetch The zoologist has pet owners offer their dogs one of two kinds of rewards while attempting to teach them to fetch a Praise Reward or a Treat Reward The zoologist documents both the type of reward used and whether the dog was able to fetch following training The zoologist would now like to know if the type of reward used Praise Treat was related to whether dogs were trained to fetch a ball yes no Question What is the appropriate analysis to answer this research question and why

solve the differential equation x 2y dx dy dx dy please break it down in a systematic manner

For both of the following problems identify a parameterization of the surface described and use it to solve the integration problem a Integrate f x y z 2 0 3 Answer 2 over the generalized cylinder described by y for x 1 4 and 173 253 2 2 b Integrate f x y z over the portion of the plane x y 4 2 that lies above the square given by x y 0 1 in the x y plane

Ovarian ligament Suspensory Isthmus Fornix Perimetrium ligament Uterus Round ligament Endometrium Vagina Myometrium Infundibilum Reset Broad ligament Ovarian artery Ovary Regions of uterine tube Uterine cavity Fimbriae Ovarian vein Ampulla Fundus Body Cervix Wall of uterus

Find the area of the kite 6 m B D 42 3 Round answer to nearest thousandths

Question 8 of 10 Step 1 of 1 Correct The variable a is jointly proportional to the square of b and the cube of c If a 189 when b 5 and c 4 what is the value of a when b 4 and c 3 Round your answer to two decimal places if necessary Answer 0 Keypad Keyboard Shortcuts

In Exercises 9 16 find the inverse of the function Then graph the function and its inverse 9 f x 6x 11 f x 2x 5 Example 2 10 f x 3x 12 f x 6x 3 13 f x x 4 14 f x x 1 15 f x x 16 f x x 3 115

11 2 In the diagram below DE BC ANI DE and BC DB Write down the values of 11 21 AM MN 11 2 2 DE BC 11 2 3 area AADE area LABC M E 2 4 3

Larry s Homemade Ice Cream Shop located in the vibrant Adams Morgan area of Washington D C is known for its gourmet ice cream However some customers have requested healthier low fat options Larry decides to invest in a new machine that makes delicious frozen yogurt The machine manufactured in Italy costs 5 000 plus an additional 1 750 for installation Larry estimates that the machine will generate a net cash flow of 2 000 per year He expects the machine to have a useful life of 10 years a salvage value of 400 Given Larry s cost of capital at 15 percent he questions whether the machine is overpriced Is he right What is the Internal Rate of Return IRR for th investment

Set up the eigen value equation that would be used to get the linear momentum for a 1 dimensional particle in a box in the ground state Use the handout of operators

C3B Sc

14 In general a cardboard fan with a greater area does a better job of moving air and cooling you The fan shown is a sector of a cardboard circle Another fan has a radius of 6 centimeters and an intercepted arc of 150 Which fan does a better job of cooling you 120 9 cm

As shown below polygon ABCGFED consists of two squares ABCD and CGFE and an equilateral triangle CED The length of BC is 3 cm Determine the perimeter and area of polygon ABCGFED in radical form B a Perimeter h Area 9 A D W