Questions

In paper chromatography photosynthetic pigments from a plant pigment extract will separate due to their Check all that apply Check All That Apply differences in molecular weight differences in solubility in a chromatography transport solution mobile phase differences in affinity for the chromatography paper stationary phase differences in boiling point differences in pH

Of the visible light spectrum the rate of photosynthesis is greatest under Multiple Choice O red light O blue light green light yellow light O orange light

Multiple Choice O the season of the year O the color of light the color of the leaf the color of light that it reflects the color of light that it absorbs

Different photosynthetic pigments from a plant pigment extract can be separated by Multiple Choice O a respirometer O a capillary tube paper chromatography a barometer

Chlorophyll is the main pigment found in plants Other pigments are also present If these other pigments were lost from a plant but chlorophy remained what effect would this have on the plant Multiple Choice The plant would no longer be able to absorb photons The plant would no longer be able to make NADPH O O The plant would no longer be able to absorb wavelengths of light distinct from the ones absorbed by chlorophyll The plant would no longer be able to make ATP The plant would no longer be able to fix carbon

Match each pigment with its color 1 carotene 4 chlorophyll b 2 chlorophyll a 3 xanthophyll Match each of the options above to the items below yellow orange yellow blue green yellow green

When something appears blue it is absorbing all colors except Multiple Choice green yellow red orange blue

How does a phenol red containing solution look if CO2 level is low Multiple Choice green red O yellow O pink colorless

What is the main role of the pigment molecules Multiple Choice O Absorb photons and transfer light energy to the reaction center chloropl O Synthesize NADPH Oxidize water and release oxygen to the reaction center chlorophyll Increase H concentration in the stroma Pass electrons to the electron transport chain

The primary photosynthetic pigment is Multiple Choice chlorophyll phaeophytin xanthophyll phycobilin

Green and yellow wavelengths of light are not useful to most plants True or False True False

Which of the following is NOT a net final product nor a reactant of photosynthesis Multiple Choice sunlight ATP carbon dioxide oxygen glucose

Use L Hoppital s Rule possibly more than once to evaluate the following limit lim 5sin 3t In 3t t 0

Let p be a non umbilical point on a surface S in R then we have seen in a neigh bourhood of p we have a local coordinate chart U x x on which the first and second fundamental forms can be diagonalized simultaneously I 911 da 922 da 2 II h11 dr h22 dx Please use the Cartan s structure equations to derive the following a Codazzi equation Let A11 principle curvatures then a log 911 hi and A22 922 h22 A11 and A22 are just the 02 A11 1 A22 a log

Moll ram s innovations Seizing the Light 3rd Edition of the constructivists and a supporter of the Revolution Rodchenko viewed these new systems as a way to reshape society In 1920 Rodchenko khuk the Institute of Artistic Culture whose was to integrate art into everyday life Abandon ing for graphic design Rodchenko designed some st original political posters in a Soviet culture poster developed as a primary form of mass cation Around 1923 Rodchenko came under the of El Lissitzky an innovative typographical de mo wed abstract form to social usage and Mo and then commenced making photomontages menko photography presented the ideal socialist It was inexpensive quick repeatable and un able Photography according to Rodchenko nish the monuments of the future measure of y responses raph 1 is bro Paragraph Days 88 Aa III a Q March 16 2024 at 11 18 PM As a measure of your participation you will write 200 word minimum responses to the readings as well as responding to at least one other post In these posts I want to see concrete examples where you critically reflect on the readings This can include citing specific photographs and photographers theoretical connections between different readings idens themes and or the author s own What ought to remain of Lenin an arm portraits etchings watercolours his se ary his friend s memoirs or a file of taken of him at work and rest I dor there s a choice Art has no place in ma Every cultured modern man must wage art Photograph and be photographes By 1924 Rodchenko adopted a small hand make photographs of people and ordinam plored unconventional points of view Hi turbed rules of composition and subject atypical priorities of visual importance era sees Rodchenko developed an unusu by tilting the camera and shooting from the subject using the instantaneous sens to create a sense of activity These often tions were reinforced by a rhythm of com the highlight and shadow areas deliveri retorts and factual information about th chenko defined a socially relevant photo lutionary act one that destabilized his a traying everyday scenes from unfamilias Communist officials initially supported late 1920s he came under attack from th

An arch is in the shape of a parabola It has a span of 220 meters and a maximum height of 15 meters Determine the height of the arch 57 meters from the center Write your answer rounded to two decimal places

The Permo Triassic mass extinction occurred over about O 1000 years O 60 000 years O 120 000 years O 1 000 000 years

The extinction rate is of course important when assessing the Sixth mass extinction or potential thereof What other variable is equally important Describe a scenario where we reach 75 extinction of species What does the E MSY need to be What else has to occur

The Siberian traps began erupting long before the P T extinction initiated 500 000 600 000 years earlier in fact Why the delay Discuss changes to the pattern of the eruptions that may have triggered the extinction event

Mass extinctions show slower than average extinction rate values True O False

1 The curve C z 3 Evaluate the following integral 40 Sc e z e i zdz z3 6 z i 3 sin 2z dz 2 dz 23 dz 1 2 2

A sample of n 16 individuals is selected from a population with u 30 After a treatment is administered to the individuals the sample mean is found to be M 33 a If the sample variance is s2 16 then calculate the estimated standard error and determine whether the sample is sufficient to conclude that the treatment has a significant effect Use a two tailed test with a 05 b If the sample variance is s2 64 then calculate the estimated standard error and determine whether the sample is sufficient to conclude that the treatment has a significant effect Use a two tailed test with a 05 c Describe how increasing the

OM 67 OM 79 OM 61 OM 85 Question 14 0 5 pts Last week Sarah had exams in Math Spanish and English On the Math exam the mean was 30 with s 5 and Sarah had a score of X 45 On the Spanish exam the mean was 60 with s English exam the mean was 70 with s 8 and Sarah had a score of X better grade 8 and Sarah had a score of X 68 On the 70 For which class should Sara expect the Math

For a sample with a mean of M 50 and a standard deviation of s 10 a z score of z 2 00 corresponds to X 70 False True Question 16 Because all z score distributions have the same mean and standard deviation the z score distribution is called a standardized distribution False 0 5 pts

True False Question 4 For a population with u 80 and a 6 what is the z score corresponding to X 68 0 12 00 0 50 2 00 0 5 pts

47 46 54 53 Question 20 0 5 p In a population of scores X 83 corresponds to z 0 50 and X 93 corresponds to z 2 00 What are the values for the population mean and standard deviation Om 85 and s 4 Om 81 ands 4

Let 3 1 7 3 9 3 1 706 2 2 2 7 5 0 2 4 0 3 A and B 5 9 3 3 4 0 2 6 6 3 7 0 0 1 1 00000 can be shown that A and B are row equivalent a Find a basis for Row A b Can you find a basis for Row 4 that is a subset of the rows of A Hint Think about how we find a basis for Col 4 e Find a basis for Col A4 d Find a basis for Nul 4 Recall that the nullspace of a matrix A is the solution set of AZ 0 e Find the rank of A and the nullity of A f Verify that the rank nullity theorem holds here

In the diagram e W P t Angle 33 and p 6 87 m Find the length of side t in meters Round to 2 decimal places

Suppose that T R2 R3 is linear and that where T ei 2 and T e 3 1 and Find the standard matrix for T and find T where 3 3 0 4 2 1 0 3 A B and D 1 5 0 2 3 2 1

1 point Let R 0 4 1 2 Create a Riemann sum by subdividing 0 4 into m 2 intervals and 1 2 into n 3 subintervals then use it to estimate the value of 4 xy dA JJR Take the sample points to be the upper left corner of each rectangle

For the research situation below place a check next to the null and the alternative hypotheses only A quality control engineer wants to test if the proportion of defective items in a production process is less than 005 Ha 005 Ha 005 Ho p 5 Ha 005 H 005 Ha 005 Hap 005 Ha 005 O Ho p 005

Given the graph of the following degree 4 polynomial function find all of the zeros and their multiplicities 7 6 5 4 3 2 654321 7 6 5 4 3 2 1 1 2 1234 3 4 6 3 4 5 6 7 7

1 6 tan 2 3 x 1 2 tan 2 x tan 2 x x The answer above is NOT correct Evaluate the indefinite integral Stan tan 2x dx

2 I 2 2 1 C 3 Graph in interval 0 2 y sin x

Last year Charlie had 30 000 to Invest He Invested some of it in an account that paid 8 simple Interest per year and he Invested the rest in an account that paid 5 simple Interest per year After one year he received a total of 1710 in Interest How much did he invest in each account

6 5 4 3 6 5 4 3 2 1 2 1 1 2 3 4 5 6 1 2 3 4 5 6 A The graph above is a transformation of the function Write an equation for the function graphed above a x

for the following exercises find the exact value if possible without a calculator if not possible explain why Odd numbers only please For the following exercises find the exact value if possible without a calculator If it is not possible explain why 1 1 24 sin cos 25 tan sin 26

m 14 m2 18 m3 26 x i 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 10

Evaluate the expression under the given conditions sin 0 tan e 4 3 e in Quadrant III 3 10 sin in Quadrant IV 1

If f x is a linear function f 5 3 and f 2 4 find an equation for f x f x

For the following reaction 5 70 grams of oxygen are mixed with excess butane C4H10 The reacti yields 3 69 grams of carbon dioxide butane C4H10 g oxygen g g water g What is the theoretical yield of carbon diox carbon dioxide What is the percent yield of carbon grams

Lab Data K Volume 02 mL Time min Tube 1 Green Light Tube 2 Green Control Tube 1 Blue Light Tube 2 Blue Control 0 2 7 2 7 2 7 5 2 9 2 4 3 9 10 3 2 5 15 3 2 1 7 6 2227 2 7 2 4 PHASE 4 Calculate rate of volume change and photosynthesis Complete the following steps 1 Calculate rate of volume change for Elodea in green light Record in Lab Data 2 Calculate rate of volume change for 1 7 Elodea in green light in covered tube Record in Lab Data 20 3 4 1 4 7 2 1 4 3 Calculate rate of volume change for Rate of volume change mL hr Elodea in blue light Record in Lab Data Rate of volume change L hr final volume mL initial volume mL Time min How to Calculate Rate of Volume Change Green light 60 min hr 4 Calculate rate of volume change for Elodea in blue light in covered tube Record in Lab Data Blue light 5 Rate of photosynthesis Rate of photosynthesis mL hr mL mL Rate of volume changesighehr Rate of volume change covered 6 hr Calculate rate of photosynthesis for Elodea in green light Record in Lab Data Calculate rate of photosynthesis for Elodea in blue light Record in Lab Data GO TO PHASE 5

e P B The illustration to the left represents a mixture of hydrogen light blue and iodine purple reacting to form a product n the illustration The product that forms is The number of product molecules formed is

The balanced chemical equation for the reaction between butane C4H10 and oxygen is 2 C4H10 g 13 02 g 8 CO2 g 10 H2O g We can interpret this to mean 13 moles of oxygen and mole s of butane C4H10 React to produce mole s of carbon dioxide and mole s of water

It is estimated that a flock of wood buffalo crane should be able to sustain an r of 0 085 for the foreseeable future If the flock currently contains 350 individuals how long will it take for that population to double 2 9 years 2 10 years 7 years 8 years It will never reach double population size

The temperature u x t in a bar of length of 4 units obeys the equation Ju t a u 8x2 0 4 t 0 and we solve the equation by assuming separation of variables of the form u x t F x G t for 0 4 t 0 It is easy to see that u x t 0 for all x t is a solution to this partial differential equation However we are interested in non trivial solutions The bar has its ends maintained at zero temperature that is Non trivial solution takes the form u 0 t 0 and u 4 t 0 for all t 0 un Bn sin n x e Enter the expression of An in terms of n and in the box below using Maple syntax T An Hence the solution takes the form u x t Bn sin Bn sin na et n 1 The initial temperature distribution is u x 0 3 sin x sin 3x Calculate the exact values of Bn as requested below and enter them in the boxes BA Number Bg Number B12 Number

Discuss two ways that a larger body is advantageous over a smaller body One reason must relate directly to climate the other to ecological relationships to other animals Reference the figure below as you make your points

Herbivores from later in the Cenozoic evolved higher crowned teeth in order to eat more abrasive food This was response to targeting conifer needles like pines which are tough and abrasive grass which is dusty and grows close to the ground O roots which always come with some attached soil

The meteorological relationship is that the colder a climate the wetter it becomes True False

Open habitat like grasslands encourages the evolution of larger body size True O False