B) transports H+ ions from the stroma to the thylakoid space. c) ADP ATP. Shown here is the graph of the data for the beaker she placed beside the lamp. Purple sulfur bacteria are organisms capable of photosynthesis. This is the initial step of a complex process leading to the formation of sugars. The containers are observed for a 24-hour period. a) CO2 is needed to complete the light reactions. A) inner membrane; outer membrane Tube 2 will turn yellow as carbon dioxide is produced during cellular respiration. ________ to the thylakoid compartment, generating a concentration gradient of ________. D) levels in the atmosphere have been steadily increasing in the past century. E) Photosynthesis involves both reduction and oxidation, while respiration involves only oxidation. Which of the following statements describes what happens in the photosystems? form carbon dioxide. D) found throughout the leaf tissue. 6) In most green plants, chloroplasts are. B) Each preferentially absorbs slightly different wavelengths of light. 54) Photorespiration . DOC Chapter 7 39) The electron transport chains of the light reactions A) stroma This recombination of maternal and paternal genetic material is a key feature of meiosis. A) carbon monoxide. What transports electrons from the light reactions to the Calvin cycle? thylakoid membranes A) formation is promoted by CFCs. Then, the students place the test tube under a light and slowly increase the temperature of the water. B) CO2 is needed to complete the light reactions. In what form would you expect to find sulfur (S) as a result of photosynthesis in these bacteria? Carbon dioxide is particularly influential in regulating pH. Check all that apply C) Pigments only lose energy in the excitation process. rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease and vice . . E) produces ATP. D) Green helps plants blend into their environment as a sort of camouflage. 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. b) glucose, ADP, NADP+, CO2. A) light c) the membrane brings chlorophyll closer to the light. C) plants produce oxygen gas by splitting CO 2. Which of the following is part of the light reaction? CO2 is needed to produce sugars in the Calvin cycle. b) G3P (C3H6O3) f. Pharyngotympanic (auditory) tube A student prepared two beakers with identical sprigs of a water plant as shown below. moderated by photosynthesis, which removes carbon dioxide from the atmosphere. C) couples the flow of H+ to the phosphorylation of NADP+. What does not occur during the Calvin Cycle? B) is best at absorbing the energy of blue-violet and red light, just like chlorophyll a. 33) Which of the following photosynthetic pigments can be found at the photosystem reaction center? B) is broken down by carbon dioxide. Carbon dioxide absorption is an appropriate indicator of photosynthesis because kinetic A) blue In muscle cells, fermentation produces ____ lactate and NAD+ In fermentation _____ is reduced and _____ is oxidized. Chapter 7 complied questions Flashcards | Quizlet a. Bony labyrinth When the carbon dioxide concentration decreases, the B) donation of excited electrons by chlorophyll b to a primary electron acceptor c. External acoustic meatus B) Photons raise electrons in pigments to the ground state. ATP. D) requires the input of NADPH. E) All photosynthetic pigments are colored green. d. Malleus It moves by diffusion through small holes in the underside of the leaf called stomata. Kaleigh UTK Biology Chapt 7 Photosynthesis Practice Test - Quizlet the number of chloroplasts in the cell decreases as the temperature increases, the rate of oxygen production is greatest in section m. Which of the following activities happens within the stroma? 64) 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. B) glucose Container A is placed under normal sunlight, B under green light, and C under red light. c) phaser. A) ATP is not produced during photosynthesis, but only during cellular respiration. Plant cells A) lack mitochondria and chloroplasts. 36) Clusters of light-gathering pigments in a photosystem c) ATP. B) is of benefit to the plant since it breaks down rubisco. B) Burning fossil fuels release carbon dioxide that was removed from the atmosphere millions of years ago. . C) photophosphorylation. a) Each preferentially absorbs slightly different wavelengths of light. C) Because of their short growth period and self-regeneration, willows are more viable as a source of potential power than the trees in most natural forests. Turn off all gas flow when the machine is not in use. A) is a nucleic acid complex. Biology 20 Exam 2 Review Flashcards | Quizlet | : : O " ) " e 0 . When the carbon dioxide concentration decreases, the color of the indicator solution also changes. C) energy If you expose a photosynthesizing plant to water that contains both radioactive H and radioactive O, in which of the products of photosynthesis will the radioactive H and O show up? E) are used in the electron transport chain to pump H+ into the thylakoid space. Produces molecules of NADPH: L a) NADH b) FADH2 c) NADPH E) of little concern, since it is part of the normal cycle for the planet. D) eight, 52) The Calvin cycle constructs ________, an energy-rich molecule that a plant cell can then use to hair color. Passive transport requires an input of energy from the cell. If the Container A is placed under normal sunlight, B under green light, and C under red light. B) Chlorophyll a absorbs green light. 44) Photophosphorylation during photosynthesis differs from oxidative phosphorylation during cellular Which of the following colors contributes the least energy to photosynthesis? states that allele pairs separate or segregate during gamete formation, and randomly unite at fertilization, the inheritance of one character has no effect on the inheritance of another, Is hydrolyzed to ADP, loses a third phosphate group. Any substance that inhibits the transportation of oxygen from the lungs affects _____________. CO2 enters and O2 escapes from a leaf via a. . c) blue, red, and violet. D) Most of the young trees would die within a few years. You've added an indicator to each solution. Absorb more CO2than the plants under the green light. C) absorb less CO2 than the plants under green light. D) ultraviolet. thylakoid membrane. B) transports H+ ions from the stroma to the thylakoid space. After reading the paragraph, answer the question(s) that follow. . C) a source of electrons for chemiosmosis. d) carbon monoxide. D) Photosystem II does not transfer electrons from photons. Plants use sugars as A) Forests play too minor a role in global CO2 dynamics, which are affected far more by marine algae. 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. Carbon dioxide absorption is an appropriate indicator of photosynthesis because. B) absorb the same amount of CO2 as the plants under both the green light and normal sunlight. D) the bottom of the electron transport chain. D) have mitochondria and chloroplasts. If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease, and vice versa. D) In photosynthesis, carbon dioxide is reduced to form sugar, while in respiration, sugar is oxidized to form carbon dioxide. CO2 enters and O2 escapes from a leaf via. E) are only found on land. Students also viewed Bio Study Guide 37 terms Kristopher_Barkley Lab Test 38 terms morganwasham cellular respiration and photosynthesis pract 57 terms Images Irene_Mejia1 D) produces glucose. b) cytoplasm . semi-tropicald. A) Photosynthesis involves only reductions, while respiration involves only oxidations. . E) are found on the inner membrane of chloroplasts. The containers are observed for a 24-hour period. d) photosystem I. D) have mitochondria and chloroplasts. d) reduction of NADP+. Solved After reading the paragraph below, answer the | Chegg.com 50) ATP and NADPH 62) Ozone During what phase of meiosis does recombination occur? You predict that a side effect of Fat Away will be, Based on your knowledge of the process of photosynthesis, the plant in the container placed under red light would probably. Climate Change: Atmospheric Carbon Dioxide During photosynthesis, plants take in carbon dioxide (CO2) and water (H2O) from the air and soil. When the carbon dioxide concentration decreases, the color of the indicator solution also changes. Plant cells are protected from the harmful effects of reactive oxidative molecules by. A) power sugar synthesis during the Calvin cycle. C) regeneration of ATP is driven by a flow of protons through an ATP synthase. D) pass absorbed energy to chlorophyll a. E) catalyze the incorporation of carbon atoms into RuBP. A) CO2. She then systematically changed the distance from the beaker to the lamp. Frontiers | Elevated-CO2 Response of Stomata and Its Dependence on Chapter 7.pdf - Chapter 7 Photosynthesis: Using Light to b) plants produce oxygen gas by splitting CO2. What do CR and photosynthesis have in common? water . A) CO2 is needed to produce sugars in the Calvin cycle. 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. 13) Which of the following molecules is both a reactant and a product of photosynthesis? B) water. D) chlorophyll. like b) ATP. The plants in the red light because chlorophyll absorbs red light. solution. What is the source of energy that provides the boost for electrons during photosynthesis? Column B E) 6 CH2O + 5 O2 + sunlight CO2 + 2 H2O. shuttle electrons along in a series of redox reactions. a) quantum. You see the boy next door trying to push a crate down the sidewalk. chlorophyll a? C) cytoplasm C) H+ . At t=120st=120 \mathrm{~s}t=120s, what is the magnitude of the acceleration a component is subjected to? B) chloroplasts; mitochondria If the concentration of carbon dioxide is increased, the rate of photosynthesis will therefore increase. Carbon dioxide absorption is an appropriate indicator of photosynthesis because A) CO2 is needed to produce sugars in the Calvin cycle. What is the role of oxygen in cellular respiration? a) NADH c) electrons from carbon dioxide and energy from sunlight. 58) Plant cells D) a spring. B 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. E) Photosystem II does not transfer electrons from photons. Although the reactions of the Calvin cycle are not directly dependent on light, they usually do not occur at night. D) Most of the young trees would die within a few years. Glycolysis is the only stage of cellular respiration that requires _______ to make ______. A) glucose, ADP, NADP+ D) Excitation of the electrons is a very stable state. B) electromagnetism Then, he placed an aquatic plant in two of the test tubes, as shown below. 1) Based on your knowledge of the process of photosynthesis, the plant in the container placed under red B) They allow the plant to fix carbon more efficiently under conditions of low atmospheric CO2. B) a propeller on a motorboat. a) It is often too cold at night for these reactions to take place. In glycolysis, . is oxidized and .. is reduced. If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease and vice versa. C) kinetic Produces CO2: CAC (SELECT ALL THAT APPLY.). D) catalyze the incorporation of carbon atoms into RuBP. grana. A) 6 CO2 + 6 H2O + sunlight C6H12O6 + 6 O2. d) forms part of photosystem II. 60) Which of the following statements about the greenhouse effect is true? The containers are observed for a 24-hour period. What quantum number of the hydrogen atom comes closest to giving a 500-nm-diameter electron orbit? Water is necessary because it is the splitting of water molecules that provides plant cells with electrons and a proton to reduce NADP+ to NADPH. Since the Earth's atmosphere formed, it seems to have always contained carbon dioxide in varying amounts. Carbon dioxide is one of the reactants in photosynthesis. According to this figure, how do H+ ions make their way from the stroma to the thylakoid interior? C) are inputs to the photosystems. Produces ATP: L, G, ET , CAC C) H2O. D) photosystem I. Youre conducting an experiment to determine the effect of different D) food . C) Most of the biomass of the cut trees would be added to the atmosphere as CO2 within a few years. 46) The chloroplast ATP synthase Container A is placed under normal sunlight, B under green light, and C under red light. 65) Ozone A) formation is promoted by CFCs. B) reduction of carbon The B) green a) electromagnetic . D) ATP, NADPH, O2, 21) Which of the following is part of the light reaction? Clusters of light-gathering pigments in a photosystem C) In photosynthesis, carbon dioxide is oxidized to form sugar, while in respiration, sugar is reduced to form carbon dioxide. 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. A) absorb no CO2. Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator solution. f1(x)=x,f2(x)=x2,f3(x)=4x3x2. Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator The electrons lost from the reaction center of photosystem I are replaced by electrons from A) CO2. C) is done by the Calvin cycle. 5. At the same time other chemical changes may occur, which form additional colors through the development of red anthocyanin pigments. You're conducting an experiment to determine the effect of different wavelengths of light on the D) NADP+ is oxidized to NADPH. CO2 provides the carbon atoms that are incorporated into sugars in photosynthesis. B) H+ . c) glucose, ADP, NADP+. Carbon dioxide absorption is an appropriate indicator of photosynthesis because ANSWER: 2is needed to complete the light reactions. Because the Calvin cycle requires CO2 to produce sugars, carbon dioxide absorption is an appropriate indicator of photosynthesis. This drives the reactions to form ATP and NADPH. What can you conclude about how the distance from a light source relates to the rate of photosynthesis? , Why are there less air bubbles as the plant is place further away from the light source C) absorb electrons. 55) What is the main adaptive advantage of the C4 and CAM photosynthesis strategies over the C3 C) C6H12O6 + 6 O2 + sunlight 6 CO2 + 6 H2O. j. Tectorial membrane 27) Which of the following colors contributes the least energy to photosynthesis? in which of the products of photosynthesis will the radioactive H and O show up? Brainscape helps you realize your greatest personal and professional ambitions through strong habits and hyper-efficient studying. Change all absorbents, not just one canister in a two-canister system. food . D) The release of energy by the excited electron can be as heat, light, or fluorescence. Where in the chloroplast is chlorophyll found? E) is a result of the oxidation of glucose. The sodium concentration in a cell is 10 times less than the concentration in the surrounding fluid. Match the terms in column A with the descriptions in column B. B CO2 is needed to produce sugars in the Calvin cycle . formation of waste products in the form of O2. . Solved Saved Question 1 (2 points) You're conducting an | Chegg.com They get their name, in part, because they use H2S (hydrogen sulfide) instead of water during the light reactions. a) ADP, NADP+, O2. a) Even though the plant received no visible light, it was able to use the shortwave part of the electromagnetic spectrum (gamma rays and X-rays) to carry out photosynthesis. g. Scala tympani D) provides the cell with a supply of NADPH molecules. He placed a stopper on each test tube and placed them all in the dark for 24 hours. If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease, and vice versa. A) cyanobacteria in freshwater and marine ecosystems. d) 3 CO2 a three-carbon molecule. C) Most of the biomass of the cut trees would be added to the atmosphere as CO2 within a few years. She counted the bubbles given off by the plants in each beaker. Which of the following are produced during the light reactions of photosynthesis? d) break down H2O. B) produce organic molecules from inorganic molecules. B) plants produce oxygen gas by splitting CO 2. ________ cells in leaves are specialized for photosynthesis. The containers are observed for a 24-hour period. E) Burning wood contributes more to acid rain than burning fossil fuels. 30) Plant cells are protected from the harmful effects of reactive oxidative molecules by E) a fuel for cellular respiration and a starting material for making other organic molecules. E) found throughout the plant. stroma . B) are found in the roots of plants. C) concentrated in a zone of leaf tissue called the mesophyll. Hints A) ATP is not produced during photosynthesis, but only during respiration. B) is of benefit to the plant since it breaks down rubisco. E) thylakoids; stroma. two? d) G3P. structure C According to this figure, how do H+ ions make their way from the stroma to the thylakoid interior? a) forms NADPH to be used in the Calvin cycle. Carbon dioxide absorption is an appropriate indicator of photosynthesis Carbon dioxide absorption is an appropriate indicator of photosynthesis because CO2 is needed to produce sugars in the Calvin cycle. NADP+ is reduced during the light reactions, and these electrons are later used to reduce CO2 to glucose in the Calvin cycle. After reading the passage, carbon dioxide absorption is an appropriate indicator of photosynthesis because CO2 is needed to produce sugars in the Calvin cycle. B) energy is stored in the form of a proton concentration difference. Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator solution. B) thylakoid membranes A) quantum. Then, he placed an aquatic plant in two of the test tubes, as shown below. stroma . D) methane. The synthesis of ATP from ADP and a phosphate group. nuclear. 2Carbon dioxide absorption is an appropriate indicator of photosynthesis because A the energy in CO2 is used to produce ATP and NADPH. stroma, 20) Which of the following are produced during the light reactions of photosynthesis? What is the purpose of test tube #1 that does not contain a plant? . one? C) reduced by the burning of fossil fuels, which removes oxygen from the atmosphere. d) blue. c) are found in the roots of plants. c) a source of electrons for chemiosmosis. A) It takes several minutes for the pigment electrons to become excited. A) play a role in glucose synthesis by plants. What provides electrons for the light reactions? 68 Carbon dioxide absorption is an appropriate indicator of C) concentrated in a portion of the leaf called the stroma. because the light independent reaction decreases when there is less light Based on your knowledge of the process of photosynthesis, the plant in the container placed under red light would probably. B) is broken down by carbon dioxide. D) chemiosmosis. versa. c) the production of sugars. They help the plant conserve water and synthesize glucose efficiently under hot, dry conditions. B) lack mitochondria but have chloroplasts. A) it involves an electron transport chain. use organelles and electron transport chains, make ATP, During Glycolysis, the cytoplasm During Citric Acid Cycle, the mitochondria, capacity to cause change or do work -kinetic (energy of motion) -potential (stored energy). You've added an indicator to each solution. In fact, the jump of 2.58 ppm over 2021 amounts tied for 5th-highest annual increase in NOAA's 63 . In this drawing of a chloroplast, which structure represents the thylakoid membrane? a) ATP. absorption of carbon dioxide as an indicator of the rate of photosynthesis in aquatic ecosystems. b) electrons from water and energy from ATP. B) Each preferentially absorbs slightly different wavelengths of light. C) shuttle electrons along in a series of redox reactions. b) chemiosmosis can occur across the thylakoid membrane. 83) B) theenergy in CO2isused toproduce ATP and NADPH. C) plants produce oxygen gas by splitting CO2. How do the reaction centers of photosystem I and II differ? C) is found in the stroma. Explain. A) concentrated in a zone of leaf tissue called the mesophyll. Skill: Applying/Analyzing Learning Outcome: 7.5 34) Carbon dioxide absorption is an appropriate indicator of photosynthesis because A) CO 2 is needed to produce sugars in the Calvin cycle. In recent decades, the CO 2 fertilizer (such as AGROSOL, a carbon dioxide gas fertilizer) was applied to promote field condition (open space). D) anaerobic metabolism. Cellular Respiration uses them to produce ATP, CO2, and O2, Photosynthesis uses CO2 and H2O to convert sunlight into glucose and O2, Interphase- all cells make new molecules and organelles, Prophase-two sister chromatids joined together; in cytoplasm-spindle microtubules, Metaphase- microtubules attach to the sister chromatids and pull toward opposite polls. a) NADPH recycling. D) is embedded in the inner membrane of the chloroplast. A) The greenhouse effect is reduced by deforestation. B) C5H12O6 + 6 O2 + sunlight 5 CO2 + 6 H2O. Kidney failure and decreased urine production are due to increased numbers of aquaporins. A) chlorofluorocarbons Which of the following statements correctly explains this observation? D) mushrooms . This is why plants need to take in carbon dioxide. BIO CH. 7 Flashcards by Jessica D | Brainscape C) an electron. 6CO2 + 6HO2 ---> C6H12O6 + 6O2 (carbon dioxide + water -->sugar + oxygen), -occurs in thylakoids -uses light energy to convert water to oxygen -light is absorbed by chlorophyll in thylakoid membranes, -occurs in the stroma -requires ATP- made from light reactions -converts CO 2 to sugars. E) They allow the plant to avoid photorespiration by producing a four-carbon sugar in place of glucose. Carbon dioxide absorption is an appropriate indicator of photosynthesis because See answer Advertisement AsiaWoerner The process of formation of sugar or carbohydrate by plants is known as photosynthesis. D) NADPH. 49) Photosynthetic organisms derive their carbon from C) absorption of photons by chlorophyll b C) The greenhouse effect is inversely related to increasing levels of atmospheric CO2. In a photosystem, clusters of chlorophyll a, chlorophyll b, and carotenoid pigments function most like, The electrons lost from the reaction center of photosystem II are replaced by electrons from.
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