D) Photosynthesis produces O2; respiration produces CO2. E) Photosystem II does not transfer electrons from photons. d) Carbon dioxide concentrations decrease at night. It is well established that as CO 2 in the atmosphere . a) green, orange, and red. A) is best at absorbing the energy of green light. A) absorb no CO2. . Most commonly, a vapor-coolant is used on \rule{1cm}{1pt} injuries, and \rule{1cm}{1pt} and \rule{1cm}{1pt} strains. D) have mitochondria and chloroplasts. b. Cochlear duct B) electromagnetic Kidney failure and decreased urine production are due to increased numbers of aquaporins. B) shuttle electrons along in a series of redox reactions. C) Because of their short growth period and self-regeneration, willows are more viable as a source of potential powerthan the trees in most natural forests. The chloroplast ATP synthase A) is a nucleic acid complex. The containers are observed for a 24-hour period. We do not see the absorbed wavelengths, only those that are reflected. C) stroma; thylakoids containers are observed for a 24-hour period. 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) The Calvin cycle depends on products of the light reactions. Which of the following colors contributes the least energy to photosynthesis? . Based on this information, which part of cellular respiration would be stopped if arsenic were ingested? For every six molecules of G3P produced, 3 CO2 enter the cycle. 32) Which of the following statements about the absorption of photons by pigment molecules is true? C) six > >U bjbj 7 L T 8 $ , , ? Hall, William C. Rose. covalent bonds between the sugar of one nucleotide and the phosphate of the next, -contains a haploid number of genes -is unlike any other gamete. Bromthymol blue turns from blue to yellow in the presence of CO2. B) Photosynthesis is ultimately powered by light energy and respiration by the chemical energy of fuel 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. B) Chlorophyll a absorbs green light. Which of the following statements about the greenhouse effect is true? Photosynthesis and cellular respiration both contain electron transport chains.This answer is correct. B) concentrated in the stomata. 43) Photosystem II B) is best at absorbing the energy of blue-violet and red light, just like chlorophyll a. The primary function of light absorption by photosystems I and II is to produce _____. D) H+ . Each preferentially absorbs slightly different wavelengths of light. absorb more CO2 than the plants under the green light. D) green, 28) Of the following wavelengths of light, which would you expect to be reflected or transmitted by C) plants produce oxygen gas by splitting CO2. D) provide energy for the Krebs cycle. C) cellular respiration d) photosystem I. D) the energy in CO2 is used to produce ATP and NADPH. E) have chloroplasts and vestigial mitochondria. Occurs in a plant cell: L, G, ETC, CC, CAC 83) B) theenergy in CO2isused toproduce ATP and NADPH. This process begins with the absorption of light by specialized organic molecules, called pigments, that are found in the chloroplasts of plant cells.Here, we'll consider light as a form of energy, and we'll also see how pigments - such as the chlorophylls . nuclear. thylakoid membranes A) Photosynthesis involves only reductions, while respiration involves only oxidations. E) helps transport H+ against the concentration gradient. ________ cells in leaves are specialized for photosynthesis. Less ATP is made under anaerobic conditions, so more glucose must be consumed to produce an equivalent amount of ATP. Because plants can make more organic material each day than they need to use as respiratory fuel and precursors for biosynthesis, they stockpile the extra sugar as starch, storing some in chloroplasts, as well as in roots, tubers, seeds, and fruits. The energy that excites P680 and P700 is supplied by A) electrons passing down the electron transport chain. a. Then, the students place the test tube under a light and slowly increase the temperature of the water. D) ATP. C) photophosphorylation. B) transports H+ ions from the stroma to the thylakoid space. Plant leaves are also able to absorb and release water through the stomata. She counted the bubbles given off by the plants in each beaker. a) the enzymes involved require a lipid bound to their active site. C) Photosystem I functions first in the sequence of steps that make up the light reactions. d) electromagnetism. d) couples the flow of H+ to the phosphorylation of ADP. Produces molecules of NADH: G, CAC . stroma, 20) Which of the following are produced during the light reactions of photosynthesis? . A) play a role in glucose synthesis by plants. A) visible When does synapsis and crossing-over occur in meiosis? A) electrons . C) ADP, NADP+, O2 c. CO2 is needed to produce sugars in the Calvin cycle. In this drawing of a chloroplast, which structure represents the thylakoid membrane? 47) In photosynthesis, the chemiosmotic production of ATP . E) are only found on land. b) the release of O2 into the atmosphere. H+ . a) CO2 is needed to complete the light reactions. The light reactions occur in the ________, while the Calvin cycle occurs in the ________. If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease, and vice versa. 53) The addition of oxygen instead of carbon dioxide to RuBP results in (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). . A) photosynthetic prokaryotes that lived inside eukaryotic cells. Does it seem peculiar that symmetric fission is not the most probable? A) may be an evolutionary relic from when atmospheric O2 levels were low. C) In photosynthesis, carbon dioxide is oxidized to form sugar, while in respiration, sugar is reduced to form carbon dioxide. If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease, and vice versa. How many turns of the Calvin cycle are required to produce one molecule of glucose? C) absorb less CO2 than the plants under green light. Browse over 1 million classes created by top students, professors, publishers, and experts. The electron transport chains of the light reactions A) are located in the stroma. Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator solution. Plants, on the other hand, are experts at capturing light energy and using it to make sugars through a process called photosynthesis. They help the plant conserve water and synthesize glucose efficiently under hot, dry conditions. E) thylakoids; stroma. b) NADH. C) reduced by the burning of fossil fuels, which removes oxygen from the atmosphere. B) are found in the roots of plants. d) break down H2O. D) phaser. 8) In most green plants, chloroplasts are A) concentrated in a zone of leaf tissue called the mesophyll. Container A is placed under normal sunlight, B under green light, and C under red light. He placed a stopper on each test tube and placed them all in the dark for 24 hours. nucleus. C) plants produce oxygen gas by splitting CO2. because photosynthesis decreases as a plant is moved further away from a light source The ultimate source of all the food we eat and the oxygen we breathe is. c) glucose, ADP, NADP+. C) is a source of oxygen for cellular respiration. You're conducting an experiment E) The greenhouse effect has no direct relationship with the Industrial Revolution of the 1800s. 65) Ozone A) formation is promoted by CFCs. A) It takes several minutes for the pigment electrons to become excited. produce organic molecules from inorganic molecules. FADH2 shuttles electrons to the electron transport chain: CAC During the dark reactions, carbon dioxide is bound to ribulose bisphosphate, a 5-carbon sugar with two attached phosphate groups, by the enzyme ribulose bisphosphate carboxylase. B) Each preferentially absorbs slightly different wavelengths of light. A student poured a solution of bromthymol blue indicator into three test tubes. B) photorespiration. What transports electrons from the light reactions to the Calvin Cycle? Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator c) Even though it cannot carry out the light reactions, the plant can still produce sugars because the Calvin cycle does not require light. . D) is a result of the oxidation of glucose. D) four, 64) Which of the following has been a major source of ozone destruction over the past 50 years? In developed countries, CO 2 was first applied to cucumbers, tomatoes, and salads (western-style mixed vegetables) in greenhouse (enclosed space). . d) ATP, NADPH, O2, the Calvin cycle produce: glucose, ADP, NADP+, Which of the following colors of light are useful during the process of photosynthesis? C) is attributable to high CO2 levels. Carbon dioxide initially combines with RuBP, and RuBP is regenerated to continue the Calvin cycle. B) CO2 is needed to complete the light reactions. Change all absorbents, not just one canister in a two-canister system. b) glucose, ADP, NADP+, CO2. spotted flower/blood type, -1 gene influences multiple traits -ex. C) Chlorophyll b primarily uses green light as the source of energy for photosynthesis. 46) The chloroplast ATP synthase During what phase of meiosis does recombination occur? C) Photosystem I functions first in the sequence of steps that make up the light reactions. d) electrons from water and energy from sunlight 2) Carbon dioxide absorption is an appropriate indicator of photosynthesis because The oxygen released into the air as a product of photosynthesis comes from. NADPH Which is hotter-a red star or a blue star? . Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator solution. would help to alleviate the threat of global greenhouse warming. The photosystems absorb solar energy and pass that energy to the mitochondria. A student prepared two beakers with identical sprigs of a water plant as shown below. e) Chlorophyll. light d) An electron transport chain Carbon dioxide absorption is an appropriate indicator of photosynthesis because ANSWER: 2is needed to complete the light reactions. He placed a stopper on each test tube and placed them all in the dark for 24 hours. C) carbon dioxide Which of the following is a normal process of photosynthesis that could not occur if all reaction centers were inactivated by a toxin? B) chlorophyll. Carbon dioxide absorption is an appropriate indicator of photosynthesis because CO2 is needed to produce sugars in the Calvin cycle. b) the stoma. C) Photosynthesis consumes CO2; respiration consumes O2. C) absorption of photons by chlorophyll b c) a source of electrons for chemiosmosis. A) it involves an electron transport chain. When the carbon dioxide concentration decreases, the 3) Which of the following is an example of a photoautotroph? Which figure depicts an animal cell placed in a solution hypotonic to the cell? how did scientists alter the gene for antithrombin so that it could be isolated from milk? 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. You're conducting an experiment to determine the effect of different wavelengths of light on the If the 1) Based on your knowledge of the process of photosynthesis, the plant in the container placed under red . Container A is placed under normal sunlight, B under green light, and C under red light. B) produce organic molecules from inorganic molecules, Which of the following is an example of a photoautotroph? C) is done by the Calvin cycle. B) are products of the Calvin cycle. b) glucose, ADP, NADP+, CO2. C) photons. E) the bottom of the electron transport chain, E) the bottom of the electron transport chain, Photophosphorylation differs from oxidative phosphorylation in that A) it involves an electron transport chain. Based on your knowledge of the process of photosynthesis, the plant in the container placed under red light would probably. The concentration of CO2 will decrease as plants use it in the light-dependent reactions. D) photosystem I. Which of the following are photoautotrophs? A) an antenna. What is the name given to organisms that can make their own food and thus sustain themselves without consuming organic molecules derived from other organisms? it accepts electrons to the electron transport chain. functions is linearly dependent or linearly independent on B) produce organic molecules from inorganic molecules. A student exposed two plants to only red light and two plants to only green light. D) ATP, NADPH, CO2. d) the Calvin cycle is triggered. Some stages may have more than one characteristic or share characteristics. You've added an indicator to each solution. A) formation is promoted by CFCs. D) include only the green plants. B) photosynthesis. Which plant should grow better? d) the membrane functions as a mitochondrial membrane but at night. 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. The sodium concentration in a cell is 10 times less than the concentration in the surrounding fluid. 2003-2023 Chegg Inc. All rights reserved. 12) The oxygen released into the air as a product of photosynthesis comes from absorption of carbon dioxide as an indicator of the rate of photosynthesis in aquatic ecosystems. A) carbon monoxide. Where is chlorophyll found in a plant cell? Correct Answer: CO2 is needed to produce sugars in the Calvin cycle. b) Chlorophyll a is found in photosystem I and chlorophyll b in photosystem II. In photosynthesis, carbon dioxide is reduced to form sugar, while in respiration, sugar is oxidized to form carbon dioxide. c) carbon dioxide. 61) What is the main adaptive advantage of the C4 and CAM photosynthesis strategies over the C3 strategy? Which of the following statements concerning the role of redox reactions in photosynthesis and cellular respiration is true? 13 c) electrons from carbon dioxide and energy from sunlight. d) G3P. 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) shuttle electrons along in a series of redox reactions. Turn off all gas flow when the machine is not in use. E) a fuel for cellular respiration and a starting material for making other organic molecules. e. Membranous labyrinth Think carefully about the fission process. like Why? The chlorophyll breaks down, the green color disappears, and the yellow to orange colors become visible and give the leaves part of their fall splendor. B) a propeller on a motorboat. b) cytoplasm . The containers are observed for a 24-hour period. a) ATP. D) helps transport H+ against the concentration gradient. At some point, another. Arsenic is a poison that binds to a molecule needed to build acetyl CoA. What are the electron's speed and energy in this state? B) thylakoid membranes What provides electrons for the light reactions? C) is done by the Calvin cycle. b) H2O- Water. C) a windmill. The light reactions take place in the _________ and the Calvin cycle takes place in the _________. 56) The ultimate source of all the food we eat and the oxygen we breathe is Contain membrane folds called cristae, whereas chloroplasts contain disk-like vesicles in stacks called grana. C) Pigments only lose energy in the excitation process. In what form would you expect to find sulfur (S) as a result of photosynthesis in these bacteria? Males: In the 7 th weekof development, the SRY gene on the Y chromosome activates anumber of genes, and the gonads develop as testes. If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease and vice versa. A) is an evolutionary relic from when atmospheric O2 levels were low and did not interfere with rubisco. The greenhouse effect is exacerbated by the use of fossil fuels. B) Photons raise electrons in pigments to the ground state. D) anaerobic metabolism. A) is a nucleic acid complex. C) eat other organisms that use light energy to make food molecules. c) Plants usually open their stomata at night. . Container A is placed under normal sunlight, B under green light, and C under red light. The conversion of NADP+ to NADPH occurs with the assistance of _____. structure C According to this figure, how do H+ ions make their way from the stroma to the thylakoid interior? This is why plants need to take in carbon dioxide. b) electrons from water and energy from ATP. CO2 provides the carbon atoms that are incorporated into sugars in photosynthesis. a) The light reactions occur in the thylakoid membranes, while the Calvin cycle occurs in the stroma. E) CO2 energizes electrons in the electron transport system. What are three factors that affect the rate of photosynthesis? ; stomata. 44) Photophosphorylation during photosynthesis differs from oxidative phosphorylation during cellular cool, moistc. A) ATP is not produced during photosynthesis, but only during cellular respiration. D) carbon dioxide. ; or a) heat. B) They allow the plant to fix carbon more efficiently under conditions of low atmospheric CO2. . D) absorb less CO2 than the plants under green light. C) glycolysis. 42) The electrons lost from the reaction center of photosystem II are replaced by electrons from 29) Chlorophyll b The stomata open to absorb the carbon dioxide needed to perform photosynthesis. c) NADPH C) Photosynthesis consumes CO2; respiration consumes O2. Fatty Acids enter: CAC, John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine, David N. Shier, Jackie L. Butler, Ricki Lewis. D) a source of electrons for chemiosmosis. Within the plant cell, the water is oxidized, meaning it loses electrons, while the carbon dioxide is reduced, meaning it gains electrons. After reading the paragraph, answer the question(s) that follow. The ATP and NADPH produced during the light reactions are necessary to provide energy and high-energy electrons for the Calvin cycle. Which of the following statements about water balance disorders is scientifically accurate? If you shut off the system and pressure was no longer applied to tank A, you would expect Which of the following equations represents photosynthesis? c) Carbon dioxide (CO2) NADP+ is required for photosynthesis because it _____. b. Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator solution. D) chemiosmosis. D) provides the cell with a supply of NADPH molecules. D) chlorophyll, 14) If you expose a photosynthesizing plant to water that contains both radioactive H and radioactive O, . B) ethylene glycol C) In photosynthesis, carbon dioxide is oxidized to form sugar, while in respiration, sugar is reduced to form carbon dioxide. A fuel for cellular respiration and a starting material for making other organic molecules. B) ATP. B) The greenhouse effect is exacerbated by the use of fossil fuels. . Occurs in the chloroplast: CC, L Place the letter of your choice in the space provided. a) forms NADPH to be used in the Calvin cycle. Tube 2 will turn yellow as carbon dioxide is produced during cellular respiration. the wavelength increases as a plant is placed further away from a light source. thylakoid membrane b) absorb electrons. A) carbon fixation A) CO2 is needed to produce sugars in the Calvin cycle. A) The greenhouse effect is reduced by deforestation. C) Most of the biomass of the cut trees would be added to the atmosphere as CO2 within a few years. Photoautotrophs A) make sugar by using organic raw materials. . C) ATP, NADPH, O2 B CO2 is needed to produce sugars in the Calvin cycle. Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator solution. D) The greenhouse effect will decrease the average temperature of the planet. E) absorb more CO2 than the plants under the green light. 40) As a result of the cascade of electrons down the electron transport chains of the light reactions, D) break down H2O. How might global climate change affect the aquifer? Carbon dioxide absorption is an appropriate indicator of photosynthesis because, CO2 is needed to produce sugars in the Calvin cycle, After the reverse osmosis system has been operating for 30 minutes, the solution in tank A would, If you shut off the system and pressure was no longer applied to tank A, you would expect. You could distinguish a granum from an inner mitochondrial membrane because the granum, but not the inner mitochondrial membrane, would _____. If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease and vice versa. C) NADH b) The Calvin cycle depends on products of the light reactions. What does not occur during the Calvin Cycle? A) electromagnetic The energy to run the Calvin cycle is produced. color of the indicator solution also changes. Column B solution. 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. hot, moistb. Plant cells are protected from the harmful effects of reactive oxidative molecules by.
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