Questions

Ornithischian dinosaurs had viscious recurved teeth for hunting prey O True O False

The earliest birds like Archaeopteryx had large flight feathers and a large keel on the chest for the breast muscles to attach to True False

2 Describe 3 distinct lines of evidence that support endosymbiotic theory Make sure to describe how these lines of evidence support the origin of mitochondria and chloroplasts

Factor the following polynomial expression completely x3 2x 9x 18 A x 3 x 3 x 2 B x 2 x 2 x 3 C x 3 x 3 x 2 D x 9 x 2

Label the following diagram illustrating how Listeria monocytogenes can move among its various reservoirs to infect humans Whole vegetables Plants Soil Water Sewage Manure Equipment and environmental sources Humans Other meat producing animals and fish Ruminants B E Silage Carcass cuts Processed food Liquid milk

How many glyceraldehyde 3 phosphate G3P molecules would be produced by 18 turns of the Calvin cycle Part 2 1 point How many 6 carbon glucose molecules would be produced by 18 turns of the Calvin cycle Part 3 1 point 15 birphosphate molecules would be regenerated by 18 turns of the Calvin cycle

280nm 215nm 700nm 300nm Question 8 1 point Listen What technique do we use in protein isolation to purifying proteins SDS PAGE Ammonium sulfate precipitation PCR chromatography

0 1 0 2 0 10 0 100 Question 4 1 point Saved Listen eadings on the spectrophotometer Western blotting is the technique for the detection of A specific RNA in a sample A specific glycolipid in a sample A specific protein in a sample A specific DNA in a sample

Elute is the name given to the fluid that leaves the columns when salt buffers are added True False Question 10 1 point Listen epitope if present is a structure that is specific to RuBisCo and binds with the Secondary Antibody BCIP NBT Primary antibody M

For what reasons are lentiviruses attractive vectors for gene therapy Choose one or more OA They are capable of entering and inserting genes into a nondividing cell OB They can be targeted to many different tissues OC They deliver genes that become stably integrated and expressed in the host genome OD They are unrelated to natural human pathogens O E They have a low likelihood of activating oncogenes

Classify each polynomial based on the the degree of the polynomial DRAG DROP THE ANSWER T 9 3 7y 12y 3y 17 X T 12r 6r 6 32 92 12 x 9 42 16 Quadratic Linear Cubic Constant

For each polynomial expression in the table below classify the expression as a difference of squares difference of cubes sum of cubes or none of these by placing a check mark in all appropriate boxes Expression a 2 2 y b 82 24y C x 1 Difference of Squares Difference of Cubes Sum of Cubes None of these B 5000

Factor the polynomial expression completely 8x 27 A 4x 3 4x 3 B 2x 3 4x 6x 9 2x 3 4x 6x 9 D 2x 3 4x 6x 9

Factor the polynomial expression completely 27x 125 A 3x 5 9x 25 B 3x 5 9x 15x 25 3x 5 9x 15x 25 D 3x 5 9x 15x 25

Factor completely 3x 48x

The graphs below represent functions defined by polynomials For which function are the zeros of the polynomials 2 and 3 1 2 X X 3 X X

Factor By Grouping 3n 12n 2n 8

a b Consider the expression 15n m 25n m Part A What is the GCF of the polynomial A 5 B 5nm c 5n m D 5n m Part B Factor

Solve the equation by factoring x 11x 30 A x 5 x 6 B x 5 x 6 C x 5 x 6 x 5 x 6 D X

Factor By Grouping 6n 10n 3n 5 3

Factor completely 3 y 6y 5y

Which of the following expressions are examples of either the sum or the difference of cubes Mark all that are an example of the sum of cubes OR the difference of cubes A b 5 b 56 25 B u 3 u 3u 9 d 6 d 12d 36 D h 4 h 2 4h 16 E a 10 a 10a 100 F x 11 x 11x 121

Select all of the statements that are true about the following expression 4x 3x A The polynomial is a cubic trinomial B The polynomial is not in standard form C The degree of the polynomial is 3 The leading coefficient is 4 E The polynomial has 3 terms The leading coefficient is 4 1

Penicillin is an antibiotic that targets the synthesis of peptidoglycan the substance that forms prokaryotic cell walls This antibiotic is much less effective against gram negative bacteria than gram positive bacteria however this is NOT due to the differences between gram negative and gram positive cell wall structure Describe specifically what structure s in gram negative bacteria make them more tolerant to penicillin and describe how these structures function to make penicillin less potent

3 In 1926 scientists Wallin and Mereschkowski believed they was able to isolate and grow mitochondria on a nutrient agar outside of a eukaryotic cell Describe why the growth they observed was unlikely to be mitochondrial Hint Mitochondria have their own separate chromosomes Remember what we discussed about the chromosomes of organisms that have long term obligate relationships with their hosts

Factor the polynomial if possible If the polynomial cannot be factored write prime x 3x 4x 12

For which function defined by a polynomial are the zeros of the polynomial 4 and E Ay x 10x 24 By x 10x 24 y x 10x 24 y x 10x 24

2 Describe 3 distinct lines of evidence that support endosymbiotic theory Make sure to describe how these lines of evidence support the origin of mitochondria and chloroplasts

7 Factoring 3bc 2b 10 15c by grouping results in b 5 3c 2 A True B False

Factor completely Note You will need to use more than one factoring method 4x 4x 24 A 4 x x 6 B 4 x 3 x 2 c 4 x 3 x 2 D 4x 12 x 2

Throughout the 1960s 1980s Lynn Margulis provided more and more evidence to cement endosymbiosis as a scientific theory Describe endosymbiotic theory in your own words What does this theory propose is true about mitochondria and chloroplasts

For the polynomials in the first column determine the degree of each polynomial and tick the correct option Polynomial 884 686 8 12s 24s s s 25 584 8 78 586 28 6 3

Directions For the following polynomial factor out the GCF Greatest Common Factor then rewrite the new factored polynomial in the space provided 4x 8x 12x GCF Factored Polynomial

Completely factor this polynomial Do NOT use the space bar when typing your answers 3x 27x Factored Form

Factoring the following polynomial expression completely 2x x 8x 4

Required information Three components are randomly sampled one at a time from a large lot As each component is selected it is tested If it passes the test a success S occurs if it fails the test a failure F occurs Assume that 76 0 of the components in the lot will succeed in passing the test Let Xrepresent the number of successes among the three sampled components the results of parts c and d to find AX 2 Round the final answer to three decimal places

Given the following preference schedules for a class of student voters on their favorite school subject determine the Condorcet Winner if one exists Math Science Electives ocial Studi Science Language Arts Electives Science Language Arts Language Arts Electives Science

Which best describes the type of Winner defined by the following The candidate that received the most votes is the winner a Sequential Run Off Winner b Condorcet Winner c Borda Count Winner d Run Off Winner el Approval Vote Winner

Which of the following best describe the Run Off Winner a Start by eliminating a single candidate with the least number of first place votes from all of the preference schedules re tally the votes and again eliminate the next candidate with the least number of first place votes Continue repeating this process until only one candidate remains and is the winner O b Assign points based on the ranking of the preference schedule Assign 1 point for each last place vote Assign 2 points for each vote that is the next place above last place and continue adding a point for each place above last place such that a first place vote receives the most points The candidate with the most points is the winner received more than half of the votes is the winner

As blood moves through a vein or artery its velocity v is greatest along the central axis and decreases as the distance r from the central axis increases see the figure below For an artery with rac 0 7 cm v in cm s is given as a function of r in cm by v g r 18 500 0 49 a Find g What does g represent 1 09 represents the velocity of the blood in the vein or artery at time t 1 g represents the velocity of the blood in the vein or artery with radius r o g represents the length of the vein or artery that contains blood with velocity v Og represents the radial distance from the center of the vein or artery that contains blood with velocity v Og g represents the amount of blood passing through the vein or artery in time t 1 b Find g 45 Round your answer to three decimal places g 45 What does your answer represent It represents the velocity of the blood in the vein or artery at time 45 s It represents the velocity of the blood in the vein or artery with radius 45 cm It represents the length of the vein or artery that contains blood with velocity 45 cm s It represents the radial distance from the center of the vein or artery that contains blood with velocity 45 cm s

A thief steals an ATM card and must randomly guess the correct three digit pin code from a 9 key keypad Repetition of digits is allowed What is the probability of a correct guess on the first try The number of possible codes is Type an integer or fraction Simplify your answer ECCEED

When seven basketball players are about to have a free throw competition they often draw names out of a hat to randomly select the order in which they shoot What is the probability that they alphabetical order Assume each player has a different name P shoot free throws in alphabetical order Type an integer or a simplified fraction

On August 2 Jun Company receives a 6 000 90 day 12 note from customer Ryan Albany as payment on his 6 000 account receivable 1 Compute the maturity date for this note 2 Prepare Jun s journal entry for August 2 Complete this question by entering your answers in the tabs below Required 1 Required 2 Prepare Jun s journal entry for August 2 View transaction list Journal entry worksheet

that the letters will be in alphabetical order Of umerent ways that the letters of magically can be arranged Find that number If the letters are mixed up in a random sequence what is the proba The number of different ways that the letters of magically can be arranged is Type an integer or a simplified fraction

The figure shows the positions of you your teammate the soccer ball and two opponents on a soccer field Are the triangles shown congruent Yes No

A clinical test on humans of a new drug is normally done in three phases Phase I is conducted with a relatively small number of healthy volunteers For example a phase I test of a specific drug involved only 5 subjects Assume that we want to treat 5 healthy humans with this new drug and we have 7 suitable volunteers available Complete parts a through c below a If the subjects are selected and treated in sequence so that the trial is discontinued if anyone displays adverse effects how many different sequential arrangements are possible if 5 people are selected from the 7 that are available Choose the correct answer below OA 5 040 OB 2 520 O c 120 OD 21

Using only pennies nickels and dimes there are Type a whole number ways to make change for a quarter TIOL ned separately

The number of tests required is COLLE

etters of referred be arranged The number of different ways that the letters of referred can be arranged is Simplify your answer

There are different possibilities Simplify your answer ures are there