The Living World Questions and Answers

17 Both DNA and mRNA carry information for making things How is this information carried so that the correct products are made
Biology
The Living World
17 Both DNA and mRNA carry information for making things How is this information carried so that the correct products are made
Saved Help Save Exit Submit A student set up an experiment to show the effect of light color on photosynthesis in Elodea plants She filled two test tubes with distilled water and placed a piece of Elodea in each of the tubes She added a drop of phenol red which turns red in a basic solution and yellow in an acidic solution She blew in each tube before placing the volumeters on the top of the tube Why did she blow into the tube Multiple Choice to add oxygen to the tube to add carbon dioxide to the tube to add carbohydrates to the tube to add sodium bicarbonate to the tube i
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Saved Help Save Exit Submit A student set up an experiment to show the effect of light color on photosynthesis in Elodea plants She filled two test tubes with distilled water and placed a piece of Elodea in each of the tubes She added a drop of phenol red which turns red in a basic solution and yellow in an acidic solution She blew in each tube before placing the volumeters on the top of the tube Why did she blow into the tube Multiple Choice to add oxygen to the tube to add carbon dioxide to the tube to add carbohydrates to the tube to add sodium bicarbonate to the tube i
s quiz assignment 7 Saved Help If a solution is undergoing a reaction where CO2 is being used as a reactant what color is the phenol red containing solution shifting towa Multiple Choice colorless red green pink yellow
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s quiz assignment 7 Saved Help If a solution is undergoing a reaction where CO2 is being used as a reactant what color is the phenol red containing solution shifting towa Multiple Choice colorless red green pink yellow
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
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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
When something appears blue it is absorbing all colors except Multiple Choice green yellow red orange blue
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When something appears blue it is absorbing all colors except Multiple Choice green yellow red orange blue
Green and yellow wavelengths of light are not useful to most plants True or False True False
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Green and yellow wavelengths of light are not useful to most plants True or False True False
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
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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
Mass extinctions show slower than average extinction rate values True O False
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Mass extinctions show slower than average extinction rate values True O False
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
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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
During the Quaternary temperatures became O even colder O stayed the same warm like the early Cenozoic
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During the Quaternary temperatures became O even colder O stayed the same warm like the early Cenozoic
Cursorality allows for O better swimming O faster running O better climbing O better digging
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Cursorality allows for O better swimming O faster running O better climbing O better digging
Cursorality is an adaptation that involves changes to leg proportions Which answer describes the changes correctly stronger joints but otherwise typical O larger feet O longer leg bones for a lengthened limb Ostouter shorter eles
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Cursorality is an adaptation that involves changes to leg proportions Which answer describes the changes correctly stronger joints but otherwise typical O larger feet O longer leg bones for a lengthened limb Ostouter shorter eles
ces The time period when the heart is relaxing is called Multiple Choice systole cardiac cycle O diastole O pulse
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ces The time period when the heart is relaxing is called Multiple Choice systole cardiac cycle O diastole O pulse
Herbivores and predators from late in the Cenozoic are smaller in size that earlier in the Cenozoic O True O False k
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Herbivores and predators from late in the Cenozoic are smaller in size that earlier in the Cenozoic O True O False k
The early Cenozoic was warmer compared to now O True O False
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The early Cenozoic was warmer compared to now O True O False
Which of the following resting blood pressures would be considered normal Multiple Choice 130 90 mm Hg 120 80 mm Hg 140 95 mm Hg 80 50 mm Ha
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Which of the following resting blood pressures would be considered normal Multiple Choice 130 90 mm Hg 120 80 mm Hg 140 95 mm Hg 80 50 mm Ha
O the movement of sap in the phloem the movement of water in xylem The uptake of water from soil into roots the transport of hormones within plants the radial movement of water in tracheids upon the formation of an embolus due to cavitation within the phloem Question 8 1 pt Roots anchor a plants and provide structural support produce hormones and alkaloids store carbohydrates and absorb both water and minerals from the soil Given these multiple functions plant physiology is highly regulated and standardized with little variation in function upon changing environmental factors For example water uptake occurs at a predictable and constant rate throughout the length of the root True
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O the movement of sap in the phloem the movement of water in xylem The uptake of water from soil into roots the transport of hormones within plants the radial movement of water in tracheids upon the formation of an embolus due to cavitation within the phloem Question 8 1 pt Roots anchor a plants and provide structural support produce hormones and alkaloids store carbohydrates and absorb both water and minerals from the soil Given these multiple functions plant physiology is highly regulated and standardized with little variation in function upon changing environmental factors For example water uptake occurs at a predictable and constant rate throughout the length of the root True
True False Question 6 1 pts Transpiration is driven by vapor pressure vapor pressure at atmospheric pressure of 760mmHg is influenced by both solute concentration and temperature and is expressed through a mathematical relationship known as Boyle s Law Avrogado s number Raoult s law
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True False Question 6 1 pts Transpiration is driven by vapor pressure vapor pressure at atmospheric pressure of 760mmHg is influenced by both solute concentration and temperature and is expressed through a mathematical relationship known as Boyle s Law Avrogado s number Raoult s law
Water is the universal biological solvent It s properties allow life to exist due to waters unique chemical and physical properties True False
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Water is the universal biological solvent It s properties allow life to exist due to waters unique chemical and physical properties True False
2 Whales the Cetaceans represent a second group of mammals that returned to the oceans Describe the body shape of a whale by looking at the skeleton overhead over by the puffins and the shape and number of the limbs
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2 Whales the Cetaceans represent a second group of mammals that returned to the oceans Describe the body shape of a whale by looking at the skeleton overhead over by the puffins and the shape and number of the limbs
1 The walrus the sea lion and the seal all belong to a group called the Pinnipeds meaning fin foots on the Carnivore branch Their modification of the basic tetrapod foot is extreme but it is still recognizable as a foot For example examine the sea lion skeleton and look at the forelimbs How many digits does it have on each forelimb
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1 The walrus the sea lion and the seal all belong to a group called the Pinnipeds meaning fin foots on the Carnivore branch Their modification of the basic tetrapod foot is extreme but it is still recognizable as a foot For example examine the sea lion skeleton and look at the forelimbs How many digits does it have on each forelimb
6 Along with Placoderms Sharks and rays constitute one of the vertebrates The gill slits are very visible on sharks What function is the shark performing look closely with respect to the gill slits How do sharks and rays differ from other vertebrates with respect to their skeleton
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6 Along with Placoderms Sharks and rays constitute one of the vertebrates The gill slits are very visible on sharks What function is the shark performing look closely with respect to the gill slits How do sharks and rays differ from other vertebrates with respect to their skeleton
What chromosomes belong to a normal human male O O 22 autosomes and two Y chromosomes 44 autosomes and two Y chromosomes 44 autosomes one X chromosome and one Y chromosome 44 autosomes and two X chromosomes
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What chromosomes belong to a normal human male O O 22 autosomes and two Y chromosomes 44 autosomes and two Y chromosomes 44 autosomes one X chromosome and one Y chromosome 44 autosomes and two X chromosomes
In a hypotonic solution a plant cell will undergo plasmolysis become flaccid burst
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In a hypotonic solution a plant cell will undergo plasmolysis become flaccid burst
Glycolysis results in the production of CO2 the conversion of glucose to pyruvic acid a net loss of two ATPs per glucose molecule conversion of NADH to NAD
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Glycolysis results in the production of CO2 the conversion of glucose to pyruvic acid a net loss of two ATPs per glucose molecule conversion of NADH to NAD
Which of the following is a measure of randomness in a system entropy calorie potential energy chemical energy
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Which of the following is a measure of randomness in a system entropy calorie potential energy chemical energy
What is the function of stomata water absorption absorb light energy location electron transport chain gas exchange
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What is the function of stomata water absorption absorb light energy location electron transport chain gas exchange
Which statement about enzymes is TRUE Enzymes are the products in a chemical reaction Enzymes are the reactants in a chemical reaction Enzymes catalyze specific reactions Enzymes functions require inhibitors
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Which statement about enzymes is TRUE Enzymes are the products in a chemical reaction Enzymes are the reactants in a chemical reaction Enzymes catalyze specific reactions Enzymes functions require inhibitors
What is the difference between a benign and a malignant tumor Benign tumors are composed of cancer cells malignant tumors are not Benign tumors are not the result of a failure of a cell cycle control system malignant tumors are Benign tumors do not metastasize malignant tumors do Benign tumors do not form lumps malignant tumors do form lumps
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What is the difference between a benign and a malignant tumor Benign tumors are composed of cancer cells malignant tumors are not Benign tumors are not the result of a failure of a cell cycle control system malignant tumors are Benign tumors do not metastasize malignant tumors do Benign tumors do not form lumps malignant tumors do form lumps
A cell that completed the cell cycle without undergoing cytokinesis would have less genetic material than it started with not have completed anaphase have its chromosomes lined up in the middle of the cell have two nuclei
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A cell that completed the cell cycle without undergoing cytokinesis would have less genetic material than it started with not have completed anaphase have its chromosomes lined up in the middle of the cell have two nuclei
4 A calorie is the commonly used unit of chemical energy It is also the unit of 0 25 points Multiple Choice O sound light radioactivity heat magnetism
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The Living World
4 A calorie is the commonly used unit of chemical energy It is also the unit of 0 25 points Multiple Choice O sound light radioactivity heat magnetism
uger produ Video and audio works written criticism taught classes curated exhibitions designed products such as T shirts and mugs and developed public projects such as billboards bus wraps and architectural interventions Kruger addresses media and politics in their native tongue sensational authoritative and direct Personal pronouns like you and I are staples of Kruger s practice bringing the viewer into each piece Direct address has motored my work from the very beginning Kruger said I like it because it cuts through the grease Kruger s work prompts us to interrogate our own positions in the artist s words to question and change the systems that contain us She demands that we consider how our identities are formed within culture through representation in language and image We don t need another hero Artist Photographer Title Date Medium Size Barbara Kruger Untitled We Don t Need Another Hero 1987 Screenprint on vinyl 108 7 8 x 209 3 16 x 2 1 2in 276 5 x 531 3 x 6 4 cm Word Length 275 300 Total Overview For this response your formal analysis is one long paragraph in length Use the Guide to Formal Analysis and the Thick Description sample in the Week 3 Module for additional support Rather than focusing on just one element in detail you need to address several elements briefly Like any formal analysis the purpose is make argument about the photograph Specifications for Constructing the Paragraph Your first sentence known as a topic sentence should broadly identify what s on the table so to speal in terms of how you will consider the image Seeing as there is no single way to interpret any image yo will want to signal to your reader in the first 1 2 sentences the general nature approach of your analysis This will include a one to two sentence thesis statement In the next few sentences provide an initial description that gives the basic details and context of the image mention the artwork s title its author date and location subject
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uger produ Video and audio works written criticism taught classes curated exhibitions designed products such as T shirts and mugs and developed public projects such as billboards bus wraps and architectural interventions Kruger addresses media and politics in their native tongue sensational authoritative and direct Personal pronouns like you and I are staples of Kruger s practice bringing the viewer into each piece Direct address has motored my work from the very beginning Kruger said I like it because it cuts through the grease Kruger s work prompts us to interrogate our own positions in the artist s words to question and change the systems that contain us She demands that we consider how our identities are formed within culture through representation in language and image We don t need another hero Artist Photographer Title Date Medium Size Barbara Kruger Untitled We Don t Need Another Hero 1987 Screenprint on vinyl 108 7 8 x 209 3 16 x 2 1 2in 276 5 x 531 3 x 6 4 cm Word Length 275 300 Total Overview For this response your formal analysis is one long paragraph in length Use the Guide to Formal Analysis and the Thick Description sample in the Week 3 Module for additional support Rather than focusing on just one element in detail you need to address several elements briefly Like any formal analysis the purpose is make argument about the photograph Specifications for Constructing the Paragraph Your first sentence known as a topic sentence should broadly identify what s on the table so to speal in terms of how you will consider the image Seeing as there is no single way to interpret any image yo will want to signal to your reader in the first 1 2 sentences the general nature approach of your analysis This will include a one to two sentence thesis statement In the next few sentences provide an initial description that gives the basic details and context of the image mention the artwork s title its author date and location subject
RNA intereference is a mechanism for silencing gene expression by acting on OA DNA replication O B RNA transcription C mRNA stability D mRNA translation E C and D Fill in the blank
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RNA intereference is a mechanism for silencing gene expression by acting on OA DNA replication O B RNA transcription C mRNA stability D mRNA translation E C and D Fill in the blank
Application of FGF8 coated beads induce limb mesenchymal cell proliferation In contrast FGF8 coated beads implanted on the epidermis of the back do not promote proliferation This experiment provides an excellent example of which of the following O Hedgehog signaling O paracrine signaling juxtacrine signaling O Competence
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Application of FGF8 coated beads induce limb mesenchymal cell proliferation In contrast FGF8 coated beads implanted on the epidermis of the back do not promote proliferation This experiment provides an excellent example of which of the following O Hedgehog signaling O paracrine signaling juxtacrine signaling O Competence
Remember The dangling Modifier does not have a word words it can describe therefore you must change it to a dependent clause or supply it with some thing it can describe Example Walking slowly the fence startled me A fence can not walk Correction As I was walking slowly the fence startled me or Walking slowly I was startled by the fence The Old Man At the Bridge 1 Jempted to rest the bridge was a refuge 2 Staggering in his gait the overcast sky was overbearing 3 On his route to safety the road seemed hopeless 4 Speaking gently help was an option for him 5 Traveling Lightly dust settled over his clothing about his animals the time quickly passed Worrying abou Cautiously prodding him bombers were steadily advancing Giving in to sadness and fatigue Luck was t
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Remember The dangling Modifier does not have a word words it can describe therefore you must change it to a dependent clause or supply it with some thing it can describe Example Walking slowly the fence startled me A fence can not walk Correction As I was walking slowly the fence startled me or Walking slowly I was startled by the fence The Old Man At the Bridge 1 Jempted to rest the bridge was a refuge 2 Staggering in his gait the overcast sky was overbearing 3 On his route to safety the road seemed hopeless 4 Speaking gently help was an option for him 5 Traveling Lightly dust settled over his clothing about his animals the time quickly passed Worrying abou Cautiously prodding him bombers were steadily advancing Giving in to sadness and fatigue Luck was t
A n is an environmental object that occurs before the start of a sequence of behavior and attracts or repels the individual to engage or not in the behavior O punisher Oreward need O incentive
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A n is an environmental object that occurs before the start of a sequence of behavior and attracts or repels the individual to engage or not in the behavior O punisher Oreward need O incentive
SDH catalyzes the oxidation of succinate to fumarate If no succinate is present then FAD cannot be reduced and fumarate is not produced in the Krebs cycle If we remove succinate the SDH activity would be decreased True False Question 2 1 point Listen The nucleus only exists in eukaryotic cells True
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SDH catalyzes the oxidation of succinate to fumarate If no succinate is present then FAD cannot be reduced and fumarate is not produced in the Krebs cycle If we remove succinate the SDH activity would be decreased True False Question 2 1 point Listen The nucleus only exists in eukaryotic cells True
Differential centrifugation helps to separate organelles based on a Charge b shape c Size d Density
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Differential centrifugation helps to separate organelles based on a Charge b shape c Size d Density
Which step of the cell fractionation procedure separates broken cells into fractions a Centrifugation b Lysing c Purification d Collection
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Which step of the cell fractionation procedure separates broken cells into fractions a Centrifugation b Lysing c Purification d Collection
Mammals only have two sets of teeth O True O False
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Mammals only have two sets of teeth O True O False
Mammals have three middle ear bones O True O False
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Mammals have three middle ear bones O True O False
1 In this experiment you will be mixing aqueous solutions of sodium carbonate and calcium chloride to produce solid calcium carbonate Na2CO3 aq CaCl2 aq 2 NaCl aq CaCO3 s Order the steps required to predict the volume in mL of 0 100 M calcium chloride needed to produce 1 00 g of calcium carbonate There is an excess of sodium carbonate Step 1 Choose match Choose match Convert mass of calcium carbonate to moles of calcium carbonate Compute the volume of calcium chloride solution required Compare moles of calcium carbonate to moles of calcium chloride based on balanced equation to calculate moles of calcium chloride required Convert the volume of calcium chloride solution required from liters to milliliters Choose match Step 4 Choose match 2 Na2CO3 aq CaCl2 aq 2 NaCl aq CaCO3 s Calculate the volume in mL of 0 100 M CaCl2 needed to produce 1 00 g of
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1 In this experiment you will be mixing aqueous solutions of sodium carbonate and calcium chloride to produce solid calcium carbonate Na2CO3 aq CaCl2 aq 2 NaCl aq CaCO3 s Order the steps required to predict the volume in mL of 0 100 M calcium chloride needed to produce 1 00 g of calcium carbonate There is an excess of sodium carbonate Step 1 Choose match Choose match Convert mass of calcium carbonate to moles of calcium carbonate Compute the volume of calcium chloride solution required Compare moles of calcium carbonate to moles of calcium chloride based on balanced equation to calculate moles of calcium chloride required Convert the volume of calcium chloride solution required from liters to milliliters Choose match Step 4 Choose match 2 Na2CO3 aq CaCl2 aq 2 NaCl aq CaCO3 s Calculate the volume in mL of 0 100 M CaCl2 needed to produce 1 00 g of
Robinson Company purchased Franklin Company at a price of 3 880 000 The fair market value of the net assets purchased equals 2 790 000 1 What is the amount of goodwill that Robinson records at the purchase date 2 Does Robinson amortize goodwill at year end for financial reporting purposes 3 Robinson believes that its employees provide superior customer service and through their efforts Robinson believes it has created 1 450 000 of goodwill Should Robinson Company record this goodwill Complete this question by entering your answers in the tabs below Required 1 Required 2 Required 3 What is the amount of goodwill that Robinson records at the purchase date
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Robinson Company purchased Franklin Company at a price of 3 880 000 The fair market value of the net assets purchased equals 2 790 000 1 What is the amount of goodwill that Robinson records at the purchase date 2 Does Robinson amortize goodwill at year end for financial reporting purposes 3 Robinson believes that its employees provide superior customer service and through their efforts Robinson believes it has created 1 450 000 of goodwill Should Robinson Company record this goodwill Complete this question by entering your answers in the tabs below Required 1 Required 2 Required 3 What is the amount of goodwill that Robinson records at the purchase date
s Where are Streams likely to be Rejuvenated A A A B B C C D Both A and C F Everywhere B Plain C
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s Where are Streams likely to be Rejuvenated A A A B B C C D Both A and C F Everywhere B Plain C
Where are Streams likely to have Deficient Energy A S A A B B C C D Both A and C B Plain C
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Where are Streams likely to have Deficient Energy A S A A B B C C D Both A and C B Plain C
What causes streams to meander A Underlying bed material is soft and slides easily B Variations in stream velocity cause uneven erosion and deposition C Floodplains widen significantly allowing more stream movement D Meandering only happens during floods E Meandering streams are not subject to natural laws
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What causes streams to meander A Underlying bed material is soft and slides easily B Variations in stream velocity cause uneven erosion and deposition C Floodplains widen significantly allowing more stream movement D Meandering only happens during floods E Meandering streams are not subject to natural laws
Blood returning to the mammalian heart in a pulmonary vein drains first into the vena cava left atrium right atrium d left ventricle
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Blood returning to the mammalian heart in a pulmonary vein drains first into the vena cava left atrium right atrium d left ventricle
Catalase peroxidase and superoxide dismutase are examples of enzymes that can convert reactive oxygen species into water Having these enzymes is essential for the survival of cells that are exposed to temperatures above 100 C O2 gas O All answers are correct O CO gas
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Catalase peroxidase and superoxide dismutase are examples of enzymes that can convert reactive oxygen species into water Having these enzymes is essential for the survival of cells that are exposed to temperatures above 100 C O2 gas O All answers are correct O CO gas
Click to see additional instructions Use the following information to answer questions 2 3 and 4 To measure primary production of algae in a stream you place two sealed chambers in the stream each enclosing the sediments as well as the water above them One chamber is covered with black tape blocking all light while the other is transparent to light You measure dissolved oxygen DO before and after a 24 hour incubation DO in the light chamber increased by 1 5 g m2 while DO in the dark chamber decreased by 2 0 g m2 Hint You have all the information you need to answer the following 3 questions you do not need initial and final DO values Think carefully about what is actua being measured in each of the two chambers What is the estimated ecosystem respiration Re for the stream Enter ONLY A NUMBER The units for your answer are g 02 m 2 day 1 Question 3 of 7 1 Points Click to see additional instructions What is the stream s esitmated NEP net ecosystem production Enter ONLY a number The units for your answer are g 02 m 2 day 1
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Click to see additional instructions Use the following information to answer questions 2 3 and 4 To measure primary production of algae in a stream you place two sealed chambers in the stream each enclosing the sediments as well as the water above them One chamber is covered with black tape blocking all light while the other is transparent to light You measure dissolved oxygen DO before and after a 24 hour incubation DO in the light chamber increased by 1 5 g m2 while DO in the dark chamber decreased by 2 0 g m2 Hint You have all the information you need to answer the following 3 questions you do not need initial and final DO values Think carefully about what is actua being measured in each of the two chambers What is the estimated ecosystem respiration Re for the stream Enter ONLY A NUMBER The units for your answer are g 02 m 2 day 1 Question 3 of 7 1 Points Click to see additional instructions What is the stream s esitmated NEP net ecosystem production Enter ONLY a number The units for your answer are g 02 m 2 day 1
1 What gas is being produced to create the gas bubble 2 Production of this gas is an indicator that what process is occurring 3 Identify the independent and dependent variables for this experiment 4 Describe other approaches we could have used to measure the rate of fermentation that measure the consumption of the substrates rather than the concentration or volume of the products 5 Did the yeast function aerobically or anaerobically Explain 6 Which carbohydrate solution resulted in the largest bubble 7 Which carbohydrate solution resulted in the smallest bubble 8 How do your results relate to the ability of yeast to metabolize different carbohydrates 9 Both cellular respiration and fermentation usually begin with what molecule Where do the pathways separate 10 How do the reactants and products differ in fermentation as compared with aerobic respiration 11 Why would measuring NAD NADH not be an effective way of measuring fermentation rates 12 How do non sugar molecules fit into respiration and fermentation
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1 What gas is being produced to create the gas bubble 2 Production of this gas is an indicator that what process is occurring 3 Identify the independent and dependent variables for this experiment 4 Describe other approaches we could have used to measure the rate of fermentation that measure the consumption of the substrates rather than the concentration or volume of the products 5 Did the yeast function aerobically or anaerobically Explain 6 Which carbohydrate solution resulted in the largest bubble 7 Which carbohydrate solution resulted in the smallest bubble 8 How do your results relate to the ability of yeast to metabolize different carbohydrates 9 Both cellular respiration and fermentation usually begin with what molecule Where do the pathways separate 10 How do the reactants and products differ in fermentation as compared with aerobic respiration 11 Why would measuring NAD NADH not be an effective way of measuring fermentation rates 12 How do non sugar molecules fit into respiration and fermentation