carbon dioxide absorption is an appropriate indicator of photosynthesis because
Plant leaves are also able to absorb and release water through the stomata. A student collected & tested the bubbles coming from the plant during this experiment. You're conducting an experiment In photosynthesis, the chemiosmotic production of ATP A) requires oxygen. She placed one beaker in the shade and the other beaker beside a fluorescent lamp. . a) NADP+ NADPH. D) nuclear, 25) The full range of electromagnetic energy is called the ________ spectrum. The energy that excites P680 and P700 is supplied by A) electrons passing down the electron transport chain. b) their electrons become excited. e) Chlorophyll. D) the final electron acceptor is NADP+ and not oxygen. Bromthymol blue turns from blue to yellow in the presence of CO2. 41) The electrons lost from the reaction center of photosystem I are replaced by electrons from It has been argued that cutting old-growth forests and replacing them with plantations of young trees would help to alleviate the threat of global greenhouse warming. Based on this information, which part of cellular respiration would be stopped if arsenic were ingested? Which is hotter-a red star or a blue star? Photosynthesis and cellular respiration both contain electron transport chains.This answer is correct. How many turns of the Calvin cycle are required to produce one molecule of glucose? You call to ask the boy his mass, and he replies "50 kg." C) concentrated in a portion of the leaf called the stroma. C) six B) glucose. After the process is complete, photosynthesis releases oxygen and produces carbohydrate molecules, most commonly glucose. a) The light reactions occur in the thylakoid membranes, while the Calvin cycle occurs in the stroma. 40) As a result of the cascade of electrons down the electron transport chains of the light reactions, C) NADH At the same time other chemical changes may occur, which form additional colors through the development of red anthocyanin pigments. . A) H and O both in glucose Any substance that inhibits the transportation of oxygen from the lungs affects _____________. B) Photons raise electrons in pigments to the ground state. Column B The concentration of CO2 will decrease as plants use the energy in CO2 to produce ATP energy that cells use to make sugars. c) light. rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease and vice At t=120st=120 \mathrm{~s}t=120s, what is the magnitude of the acceleration a component is subjected to? B) ethylene glycol The Which of the following are produced by reactions that take place in the thylakoids and consumed by reactions in the stroma? What provides electrons for the light reactions? C) H+ . B) is best at absorbing the energy of blue-violet and red light, just like chlorophyll a. What do CR and photosynthesis have in common? C) In photosynthesis, carbon dioxide is oxidized to form sugar, while in respiration, sugar is reduced to form carbon dioxide. Container A is placed under normal sunlight, B under green light, and C under red light. C) yellow . The Calvin cycle constructs ________, an energy-rich molecule that a plant cell can then use to make glucose or other organic molecules. C) is attributable to high CO2 levels. Which of the following are produced during the light reactions of photosynthesis? What transports electrons from the light reactions to the Calvin cycle? Which of the following are produced during the Calvin cycle? In simple summary form, the input of the Calvin cycle for every product is _____, and the output is _____ used for glucose synthesis. E) NADPH. 37) In a photosystem, clusters of chlorophyll a, chlorophyll b, and carotenoid pigments function most d) couples the flow of H+ to the phosphorylation of ADP. Change all absorbents, not just one canister in a two-canister system. absorption of carbon dioxide as an indicator of the rate of photosynthesis in aquatic ecosystems. Because the Calvin cycle requires CO2 to produce sugars, carbon dioxide absorption is an appropriate indicator of photosynthesis. B) is broken down by carbon dioxide. C) does not have a reaction center. E) Young trees emit ozone-destroying gases at a higher rate than old trees and would thus worsen the ozone-hole problem while alleviating global warming. Which of the following is part of the light reaction? E) a fuel for cellular respiration and a starting material for making other organic molecules. What does not occur during the Calvin Cycle? cellular respiration is true? stroma . Convert: a) NADPH recycling. D) Green helps plants blend into their environment as a sort of camouflage. stroma . cellular respiration and photosynthesis pract, Biology | Unit 2 Review | Classification, Evo, 5. organisaiton: plant organisation: Transpir, Michelle Provost-Craig, Susan J. Which of the following statements correctly explains this observation? You're conducting an experiment to determine the effect of different wavelengths of light on the absorption of carbon dioxide as an indicator of the rate of photosynthesis in aquatic ecosystems. . CO2 is needed to produce sugars in the Calvin cycle. B) is of benefit to the plant since it breaks down rubisco. E) found throughout the plant. a) function in energy transformation. What important fact does this argument . Clusters of light-gathering pigments in a photosystem D) phycocyanin, 34) Which of the following is a normal process of photosynthesis that could not occur if all reaction You have a large, healthy philodendron that you carelessly leave in total darkness while you are away on vacation. c) phaser. Which of the following colors contributes the least energy to photosynthesis? The Calvin cycle constructs ________, an energy-rich molecule that a plant cell can then use to make glucose or other organic molecules. Container A is placed under normal sunlight, B under green light, and C under red light. What transports electrons from the light reactions to the Calvin Cycle? thylakoid membranes C) a starting material for the Calvin cycle. D) carbon dioxide. B) Photosynthesis involves only oxidations, while respiration involves only reductions. d) ATP, NADPH, O2, Which of the following are produced during the Calvin cycle? When the carbon dioxide concentration decreases, the . They get their name, in part, because they use H2S (hydrogen sulfide) instead of water during the light reactions. f1(x)=x,f2(x)=x2,f3(x)=4x3x2f _ { 1 } ( x ) = x , \quad f _ { 2 } ( x ) = x ^ { 2 } , \quad f _ { 3 } ( x ) = 4 x - 3 x ^ { 2 } c) the production of sugars. A) glucose, ADP, NADP+ D) cristae. He can barely keep it moving, and his feet occasionally slip. C) plants produce oxygen gas by splitting CO2. The light reactions of photosynthesis include _____. d) reduction of NADP+. B) is analogous to the production of ATP in mitochondria. Which of the following is part of the light reaction? E) The greenhouse effect has no direct relationship with the Industrial Revolution of the 1800s. A) G3P D) a source of electrons for chemiosmosis. In this drawing of a chloroplast, which structure represents the thylakoid membrane? Which of the following equations represents photosynthesis? You've added an indicator to each solution. 35) How do the reaction centers of photosystem I and II differ? Shown here is the graph of the data for the beaker she placed beside the lamp. Unlike cellar respiration, photosynthesis occurs in. electrons 62) Ozone b) While it did have access to light before you left, the plant stored energy in the form of sugars or starch, and it was able to derive energy from those during your vacation. c. CO2 is needed to produce sugars in the Calvin cycle. Container A is placed under normal sunlight, B under green light, and C under red light. If the Moons spherical surface provided specular reflection, what would it resemble at full moon? Why are most plants green? absorb more CO2 than the plants under the green light. A) They help the plant conserve water and synthesize glucose efficiently under hot, dry conditions. B) a propeller on a motorboat. C) NADP+ is reduced to NADPH. D) eight, 52) The Calvin cycle constructs ________, an energy-rich molecule that a plant cell can then use to d) kinetic, Which of the following colors contributes the least energy to photosynthesis? Tube 2 will turn yellow as carbon dioxide is produced during cellular respiration. C) hydrocarbons. Plants use sugars as : E) absorb more CO2 than the plants under the green light. Involves the splitting of glucose: G It moves by diffusion through small holes in the underside of the leaf called stomata. six? Produces molecules of FADH2: CAC kinetic d) the membrane functions as a mitochondrial membrane but at night. 46) The chloroplast ATP synthase Most of the biomass of the cut trees would be added to the atmosphere as CO2 within a few years. D) releases CO2 as a by-product. a) NADH the wavelength increases as a plant is placed further away from a light source. A) electromagnetic C) C6H12O6 + 6 O2 + sunlight 6 CO2 + 6 H2O. D) CO 2 is needed to complete the light reactions. b) cytoplasm . CO2 is needed to produce sugars in the Calvin cycle. C) orange Container A is placed under normal sunlight, B under green light, and C under red light. Expert Answer Carbon dioxide is particularly influential in regulating pH. d) When light energy is not available, plants can derive energy from inorganic molecules. a) forms NADPH to be used in the Calvin cycle. C) O2 He placed a stopper on each test tube and placed them all in the dark for 24 hours. thylakoid membrane d) Photosystem I functions first in the sequence of steps a) Each preferentially absorbs slightly different wavelengths of light. A) is best at absorbing the energy of green light. stroma. A) It takes several minutes for the pigment electrons to become excited. . Produces ATP: L, G, ET , CAC g. Scala tympani C) Photosynthesis consumes CO2; respiration consumes O2. A) quantum. If the 3. B) H2O. E) Photosystem II does not transfer electrons from photons. H+ b) the release of O2 into the atmosphere. 51) To produce one glucose, the Calvin cycle needs to be run through ________ time(s). d) electromagnetism. A) occurs when carbon atoms from CO2 are incorporated into an organic molecule. They place an Elodea plant into a test tube filled with water. b) ATP. hot, dr You are surprised to find that it is still alive when you return. D) chlorophyll, 14) If you expose a photosynthesizing plant to water that contains both radioactive H and radioactive O, Produces O2: L Light energy is required to drive the transfer of the electrons to NADP+. D) chlorophyll. A) carbon fixation B) reduction of carbon C) addition of electrons and protons to carbon D) regeneration of NADP+ E) formation of waste products in the form of O2, E) formation of waste products in the form of O2, Carbon fixation A) occurs when carbon and oxygen from CO2 are incorporated into an organic molecule. Estimate the mass of the crate. E) are used in the electron transport chain to pump H+ into the thylakoid space. Assume the ball is made out of a material that has a linear coefficient of expansion \alpha of 75.2106/C.75.2 \times 10^{-6} /^{\circ} \mathrm{C}.75.2106/C. c) NADPH Small aquatic plants are placed into three containers of water mixed with carbon dioxide. As a result of the cascade of electrons down the electron transport chains of the light reactions. In the chloroplast, sugars are made in a compartment that is filled with a thick fluid called the, Chloroplasts contain disklike membranous sacs arranged in stacks called. 62) The greenhouse effect is A) reduced by photosynthesis, which removes carbon dioxide from the atmosphere. b) The Calvin cycle depends on products of the light reactions. a) pass energy to the reaction center. When the carbon dioxide concentration decreases, the C) CO2isneeded toproduce sugars intheCalvin cycle. E) They allow the plant to avoid photorespiration by producing a four-carbon sugar in place of glucose. a) heat. C) photophosphorylation. (b) By what percentage does the density of a bowling ball change (assuming it is a uniform sphere) when it is taken from room temperature (68F)\left(68^{\circ} \mathrm{F}\right)(68F) into the cold night air in Nome, Alaska (40F).\left(-40^{\circ} \mathrm{F}\right) .(40F). > >U bjbj 7 L T 8 $ , , ? 8) CO2 enters and O2 escapes from a leaf via, 9) In the chloroplast, sugars are made in a compartment that is filled with a thick fluid called the, 10) Chloroplasts contain disklike membranous sacs arranged in stacks called, 11) Where is chlorophyll found in a plant cell? D) the same as the equation for glycolysis written in reverse. food . one? Match the following stages of cellular respiration and photosynthesis with the correct characteristics. E) thylakoids; stroma Name two environmental leaders associated with each of these philosophies. A) lack mitochondria and chloroplasts. Carbon dioxide initially combines with RuBP, and RuBP is regenerated to continue the Calvin cycle. D) formation of waste products in the form of O2, 22) Which of the following are produced during the Calvin cycle? A) water. Carbon dioxide initially combines with RuBP, and RuBP is regenerated to continue the Calvin cycle. You're conducting an experiment to determine the effect of different wavelengths of light on the 45) In photophosphorylation, energy from electron flow is used to transport ________ from the f1(x)=x,f2(x)=x2,f3(x)=4x3x2. D) Only photosystem I is found in the thylakoid membranes. Does the distribution shown in the figure seem reasonable? c) absorbs light energy. E) uses noncyclic electron flow to capture energy in glucose. would help to alleviate the threat of global greenhouse warming. NADPH b) While it did have access to light before you left, the plant stored energy in the form of sugars or starch, and it was able to derive energy from those during your vacation. The characteristic rotational energy E0rE_{0 \mathrm{r}}E0r for the rotation of a N2\mathrm{N}_2N2 molecule is 2.48104eV2.48 \times 10^{-4} \mathrm{eV}2.48104eV. b) FADH2 D) pass absorbed energy to chlorophyll a. The containers are observed for a 24-hour period. . C) The greenhouse effect is inversely related to increasing levels of atmospheric CO2. A) Forests play too minor a role in global CO2 dynamics, which are affected far more by marine algae. d) pigment. 5. In general, the Calvin cycle's primary function is to produce organic products required by plants by utilizing the products of photosynthesis's light reactions ( ATP and NADPH ). The photosystems absorb solar energy and pass that energy to the mitochondria. 63) Which of the following statements about the greenhouse effect is true? . A) donation of excited electrons by chlorophyll a to a primary electron acceptor B) chlorophyll a CO2 is needed to produce sugars in the Calvin cycle. through an electron transport chain molecule, Global warming due to the greenhouse effect may be. Based on your knowledge of the process of photosynthesis, the plant in the container placed under red light would probably. Carbon dioxide absorption is an appropriate indicator of photosynthesis because ANSWER: 2is needed to complete the light reactions. Normal human gametes carry ____ chromosomes. A) CO2. Telophase and Cytokinesis- division of the cytoplasm. 26) Why are most plants green? E) have chloroplasts and vestigial mitochondria. B) made worse by photosynthesis, which adds carbon dioxide to the atmosphere. In muscle cells, fermentation produces ____ lactate and NAD+ In fermentation _____ is reduced and _____ is oxidized. 49) Photosynthetic organisms derive their carbon from Why? Kidney failure and decreased urine production are due to increased numbers of aquaporins. c) CO2 is needed to produce sugars in the Calvin cycle. Anaphase- chromatids separate and create daughter chromosome. C) a carotenoid B) ATP. C) absorb the same amount of CO2 as the plants under the green light. B) Photosynthesis involves only oxidations, while respiration involves only reductions. D) include only the green plants. b) helps produce ATP from the light reactions. C) the top of the electron transport chain. She counted the bubbles given off by the plants in each beaker. D) provides the cell with a supply of NADPH molecules. 63) Ozone consists of ________ oxygen atom(s). Formation of waste products in the form of O2. Based on analysis from NOAA's Global Monitoring Lab, global average atmospheric carbon dioxide was 414.72 parts per million ("ppm" for short) in 2021, setting a new record high despite the continued economic drag from the COVID-19 pandemic. 17) What is the source of energy that provides the boost for electrons during photosynthesis? Which of the following statements regarding photosynthesis and carbon dioxide is false? D) is embedded in the inner membrane of the chloroplast. She then systematically changed the distance from the beaker to the lamp. Why? The Era of Jefferson & Madison Vocabulary, NPLEX 2 - Nutrition - Manganese, Molybdenum,, Essential Biology: Chapter 8: Cell Reproducti, II(Bio) Chapter 8: Energy, Enzymes, and Metab, John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine, Event and Facility Final Chapter 9: Operation. C) eat other organisms that use light energy to make food molecules. i. Stapes 1) What is the name given to organisms that can make their own food and thus sustain themselves. Carbon dioxide Plants get the carbon dioxide they need from the air through their leaves. 83) Carbon dioxide absorption isanappropriate indicator ofphotosynthesis because A) plants produce oxygen gasbysplitting CO2. D) the bottom of the electron transport chain. CO2 provides the carbon atoms that are incorporated into sugars in photosynthesis. D) ATP, NADPH, CO2. What do plants do with the sugar they produce in photosynthesis. 48) Mitochondria transfer ________ energy from ________ to ATP; chloroplasts transform ________ You're conducting an experiment to determine the effect of different wavelengths of light on the D) carbon dioxide. grana . D) the final electron acceptor is NADP+ and not oxygen. A) Photosynthesis involves only reductions, while respiration involves only oxidations. 57) Plants use sugars as d) electrons from water and energy from sunlight The electrons lost from the reaction center of photosystem I are replaced by electrons from A) CO2. If the concentration of carbon dioxide is increased, the rate of photosynthesis will therefore increase. C) absorption of photons by chlorophyll b The water to reverse flow from tank B to tank A. nuclear. C) Photosynthesis consumes CO2; respiration consumes O2. spotted flower/blood type, -1 gene influences multiple traits -ex. hot, moistb. C) ADP, NADP+, O2 E) Burning wood contributes more to acid rain than burning fossil fuels. 3) Which of the following is an example of a photoautotroph? C) plants produce oxygen gas by splitting CO2. A) The greenhouse effect is reduced by deforestation. D) the energy in CO2 is used to produce ATP and NADPH. c) glucose, ADP, NADP+. You've added an indicator to each solution. a) a fuel for cellular respiration and a starting material for making other organic molecules. d) be inside a mitochondrion. The electrons lost from the reaction center of photosystem II are replaced by electrons from He placed a stopper on each test tube and placed them all in the dark for 24 hours. Which is the most immediate source of energy for making most of the ATP in your cells ? This site is using cookies under cookie policy . the Calvin cycle depends on products of the light reactions. You're conducting an experiment to determine the effect of different wavelengths of light on the absorption of carbon dioxide as an indicator of the rate of photosynthesis in aquatic ecosystems. During the growing season leaves take up carbon dioxide. A) absorb no CO2. B) grizzly bears in Alaska. a) Each preferentially absorbs slightly different wavelengths of light. b) electrons from water and energy from ATP. C) Chlorophyll b primarily uses green light as the source of energy for photosynthesis. C) carbon dioxide a) electrons from carbon dioxide and energy from ATP. B) ATP The oxygen released into the air as a product of photosynthesis comes from. C) occurs during the light reactions. D) ultraviolet. A) is an evolutionary relic from when atmospheric O2 levels were low and did not interfere with rubisco. B) are found at the reaction center. A) inner membrane; outer membrane E) are only found on land. A) CO2. a. Disrupting microfilament formation would affect the it is difficult to observe individual chromosomes during interphase because, they are in the form of long, thin strands and have not condensed yet. how did scientists alter the gene for antithrombin so that it could be isolated from milk? D) methane. thylakoid membrane. The synthesis of ATP from ADP and a phosphate group. Occurs in the chloroplast: CC, L d. 1,000 minutes === hours. Hints . 31) A packet of light energy is called a B) supplies the cell with ATP. Two turns c) they lose potential energy. A centrifuge used to subject engineering components to high acceleration has a radius of 8m8 \mathrm{~m}8m. It starts from rest at t=0t=0t=0, and during its two-minute acceleration phase it is programmed so that its angular acceleration is given as a function of time in seconds by =0.1920.0016trad/s2\alpha=0.192-0.0016 t \mathrm{rad} / \mathrm{s}^2=0.1920.0016trad/s2. The concentration of CO2 will decrease as plants use it to energizes electrons in the electron transport system. (SELECT ALL THAT APPLY.). NADPH is an electron carrier that picks up electrons in the light reactions and releases them in the Calvin cycle. Which of the following statements about water balance disorders is scientifically accurate? l. Tympanic membrane (eardrum) It is acidic, and its concentration is in continual flux as a result of its utilization by aquatic plants in photosynthesis and release in respiration of aquatic organisms. Small aquatic plants are placed into three containers of water mixed with carbon dioxide. semi-tropicald. C) is found in the stroma. . B) Photosynthesis is ultimately powered by light energy and respiration by the chemical energy of fuel molecules. d) G3P. n the light reaction, clusters of chlorophyll a, chlorophyll b, and carotenoid pigments function most like. B) carbon dioxide. D) reduced by the addition of carbon dioxide to the atmosphere, since carbon dioxide removes excess heat from the Earths surface and reflects it back into space. C) cytoplasm 61) It has been argued that cutting old-growth forests and replacing them with plantations of young trees This recombination of maternal and paternal genetic material is a key feature of meiosis. D. CO is needed to produce sugars in the Calvin cycle. B) are very different from those of cellular respiration. b) chemiosmosis can occur across the thylakoid membrane. According to this figure, how do H+ ions make their way from the stroma to the thylakoid interior? B) H in glucose; O in water 59) Global warming due to the greenhouse effect may be form carbon dioxide. The light reactions of photosynthesis use _____ and produce _____. A) power sugar synthesis during the Calvin cycle. C) They allow the plant to fix carbon more efficiently in dim or cool conditions. Photorespiration A) is an evolutionary relic from when atmospheric O2 levels were low and did not interfere with rubisco. light . a) cellular respiration. CO2 enters and O2 escapes from a leaf via 29) Chlorophyll b Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator solution. NADP+ is required for photosynthesis because it _____. Carbon dioxide absorption is an appropriate indicator of photosynthesis because CO2 is needed to produce sugars in the Calvin cycle. The light reactions occur in the ________, while the Calvin cycle occurs in the ________. Produces molecules of NADH: G, CAC C) H2O. C) The greenhouse effect will decrease the average temperature of the planet. D) red. Then, he placed an aquatic plant in two of the test tubes, as shown below. (One G3P leaves the cycle as an output. When chloroplast pigments absorb light, their electrons become excited. . C) carbon dioxide. Plant cells A) lack mitochondria and chloroplasts. What is the purpose of test tube #1 that does not contain a plant? The chloroplast ATP synthase A) is a nucleic acid complex. 68) Carbon dioxide absorption is an appropriate indicator of photosynthesis because 68) A) the energy in CO 2 is used to produce ATP and NADPH. because cellular respiration decreases when there is less ligh 27) Which of the following colors contributes the least energy to photosynthesis? D) ATP, NADPH, O2, 21) Which of the following is part of the light reaction? c) a source of electrons for chemiosmosis. b) a free, energized electron. Which of the following correctly identifies the structures labeled in Figure 8-2? D) of little concern, since it is part of the normal cycle for the planet. c) ATP. C) is attributable to high CO2 levels. containers are observed for a 24-hour period. C) eat other organisms that use light energy to make food molecules. 47) In photosynthesis, the chemiosmotic production of ATP Glycolysis is the only stage of cellular respiration that requires _______ to make ______. c) potential. Which of the following statements about the absorption of photons by pigment molecules is true? Youve added an indicator to each solution. The photosynthetic pigment chlorophyll is anchored in the thylakoid membrane. Turn off all gas flow when the machine is not in use. b) a free, energized electron. 5) What is the likely origin of chloroplasts? Fatty Acids enter: CAC, John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine, David N. Shier, Jackie L. Butler, Ricki Lewis. A) two C) Pigments only lose energy in the excitation process. d) stroma . 33) Which of the following photosynthetic pigments can be found at the photosystem reaction center? c) have photosynthetic pigments. D) requires the input of NADPH. Stores energy in a form that can drive cellular work.
