Questions

Which of the following organelles produces and modifies polysaccharides that will be secreted by a eukaryotic cell Olysosome mitochondrion Operoxisome Golgi apparatus

An example of a generally inhibitory neurotransmitter is GABA O glutamate O acetylcholine

tes O protein kinase C O protein kinase A O MAPK O protein kinase B

Kinase enzymes always inhibit target molecule activity add phosphate groups O bind tightly by wrapping around a target molecule to regulate its activity remove phosphate groups

The enzyme involved in the breakdown of glycogen in the liver smooth ER is Ophosphodiesterase glucose 6 phosphatase O catalase phospholipase C

is a drug that blocks cell division by stabilizing microtubules as a result it is used in the treatment of Vincristine listeriosis Taxol breast cancer O Nocodazole athlete s foot

Each of the following is a type of glial cells except Platelets oligodendrocytes astrocytes von

Each of the following is an intracellular messenger except IP3 calcium ions O CAMP acetylcholine

The phase at the end of an action potential when the membrane potential becomes more negative than it is at rest is the phase depolarizing Orepolarizing

Generation of an action potential by a neuron may ultimately stimulate another nerve cell skeletal muscle cells gland cells All of the above may be stimulated by a signal

Calcium is stored in the cell in the O lysosome O mitochondria O endoplasmic reticulum Golgi apparatus

The low level of cytosolic calcium ions in unactivated cells is established by which of the following Phosphatases Kinases Calcium ATPases Calmodulin

Compounds that inhibit receptors by preventing the natural messenger from binding are known as growth factors antagonists agonists arrestins

The parts of the graph indicated between points C and E represent Membrane potential 40mV 40mV 60mV Stimulus hyperpolarization depolarization repolarization sodium channel activity B 0 for 1 2 Time msec 73 4

Plasma membrane permeability of which of the following ions is most important in generating the resting membrane potential Chloride ions Calcium ions Potassium ions Ammonium lons

Drug detoxification by hydroxylation transiently increases intracellular Ca activities a second messenger leads to phagosome formation increases solubility of drugs enhancing their excretion

The variant of Apolipoprotein E ApoE associated with increased risk of Alzheimer s disease is O ApoE1 O ApoE2 O ApoE3 ApoE4

recycling of receptors mRNA export from the nucleus uptake of completed polypeptides with special targeting signals into the organelle bringing nutrients into the cell

A researcher extracts the cytosol and cytoskeletal components from the cell and places the mixture into a tube What result do you expect if the researcher adds a nonhydrolyzable GTP analog to the mixture in vitro O overstabilization of all polymerized microtubules present in the tube destabilization of all polymerized microfilaments present in the tube overstabilization of all polymerized microfilaments present in the tube O destabilization of all polymerized microtubules present in the tube

Memantine a drug used in management of Alzheimer s disease is antioxidant a cholinesterase Inhibitor an NMDA antagonist Serotonin reuptake inhibitor

Simplify completely O x 23 Ox 23 Ox 8 Ox 8 x 15x 56 X 7

Simplify completely x 2 X 9 x 10X 24 x 3x 108 X 2 x 9 x 2 X 9 x 12 X 9 X 2 OX 2 x 2 x 9 X 9 y 9 y 12 and find the restrictions on the variable

Simplify completely 12 X 7 O 12 X 7 x 7 x 3 O X 3 X 7 X 7 x 3 12x 36 x 4x 21 X 7 and find the restrictions on the variable

Simplify completely OX 3 5 OX 12 5 O xX 6 5 x 18 x 15x 36 5 60

Simplify completely Ox O 3x O X 6 6 O X 18 6 3x 18 18

Multiply Simplify the Rational Expressions x 49 6x3 8x2 x 7x 2 a b ab a4b a b ab

x 4 x 4x 9x 36x 4 x 4 a 9ab 20b a 8ab 7b a 7b a 8ab 16b

x 5x 24 x 6x 9 8x 8x 12 a4 64 a a b a 2ab b 3

25 x 5x4 x 5 x4 5x 10 2b 9a 81a 2 4b 1 9a b

2x 200 4x 40x 1 7x 21 x 7x 30 6 10 3a a 60b 75b5 5a b 10a

6x5 x 11x 18 15x x 7x 18 8 a ab 12b 2a 7ab 3 16a 8b 12

Question 7 The equation y log x 5 has a vertical asymptote at X Question Help Video Message instructor

Next question Identify the domain of the following functions a f x log 4x 7 00 17 4 Domain b f x ln 3x 2 Domain Get a similar question c f x log 2x 8 Domain Question Help Message instructor OF You ca

Evaluate each expression using the graphs of y f x and y g x shown below a gof 1 b gof 0 c fog 1 d fog 4 a gof 1 Simplify your answer y g x 6 d 13 y f x 8 10

9 Find the limit using l Hospital s Rule if appropriate lim 1 9x x ANSWER 1 AT SuleV 085M or to assas Daly

Which function below has an asymptote at y b f x a b c g x c b a Oh x b a c k x a c b

The function f x 2x 3 is graphed at the right Determine the y intercept for the function f x which is shown O 1 5 0 O 2 0 0 3 0 2 6 5 4 3 f x 2x 3 2 1 S 3 2 1 F 1 n 2 Asymptote y 3

Given the function f x 3 1 determine the average rate of change from x 0 to x 2 O 2 9 9 2 4 14

Consider the function w x 3x 2 As x determine w x i e As x approaches w x w x co Ow x 2 w x 3 negative infinity what does w x approach

The null hypothesis Ho A states that the difference between sample means is statistically significant B states that the difference between sample means is due to the independent variable D cannot be tested directly states that the difference between sample means is due to chance I

The four characteristics of distributions are A central tendency variability skewness and kurtosis B range sum of squares variance and standard deviation nominal ordinal interval and ratio D measurement probability standard scores and symmetry

nger 1 Should a golfer try to hit the ball long or hit it straight off the tee Recent golfers have been able to hit the ball thanks to better equipment However this extra distance can come at the price of not being as accurate as to where the ball lands Below is data for ten golfers average driving distance yards and driving accuracy Percent where driving distance impacts the driving accuracy 260 163 Driving Distance Driving Accuracy 246 82 Miles 22 Price 266 72 XMonth January Feb Precip 4 45 254 4 01 76 Missing 0 1 Grade 90 91 March 3 26 264 1 96 71 44 14 600 a Write the linear regression equation of your line b Use your equation to predict the price for a car driven 40 thousand miles a Write the linear regression equation of your line g x 0 53 210 30 x b Use your equation to predict the driving accuracy for an average driving distance of 260 yards 8 260 2 Is there an association between the price of a used car and the number of miles it has been driven The table shows the number of miles driven 1 000 s and price for a sample of Honda CR V s 40 40 43 36 38 30 18 000 16 500 15 000 14 000 2 85 p 40 3 The table shows the monthly normal precipitation P in inches for San Francisco CA April May 1 17 256 3 83 73 0 38 268 50 15 000 6 89 66 June 0 11 270 65 July 0 03 248 75 8 13 83 76 54 56 70 70 14 500 12 000 13 600 14 600 p x 85 90x 18777 98X August Sept 0 07 0 20 Oct 14 79 1 40 248 81 Let x represent the month with x 1 corresponding to January Find an appropriate quadratic regression model for the data 3 4 Do students with more missing assignments have lower grades in math Below is data for an Algebra 1 class showing how many missing assignments the student has and their grade in the class 7 18 68 64 53 246 Nov a Write the linear regression equation of your line g x b Use your equation to predict the grade for a student who has ten missing assignments g 10 77 2 49 86 11 000 Dec 2 89 20 25 25 28 32 33 55 52 46 51

When two outcomes cannot both be true they are said to be A mutually exclusive B exhaustive C significant D skewed

Which of the following is not a criterion of relatedness A participants are randomly assigned to treatment groups B participants are related by blood genetic matching participants are matched on some critical variable D participants are tested before and after some experimental manipulation

13 In the from Find expansion of x a X3 constant the beginning the value of a the 7th tem term 10

3 In In the the exponsion Ax yY terms IS of x y 3 Find 1 ore of the the value of A 3 8 A 5

Find QR R Q 5 S Write your answer as an integer or as a decimal rounded to the nearest tenth QR

6 9 11 13 31 A 288 B 272 C 260 D 256 E 240

5 In the expavion Coefficient is C 1 of 2x ay 4 Find 64 sum of the the value of a a 3

1 Evaluate the definite integral sine sine tan 0 a sec 0 h 2 x 5 dx de