carbon dioxide absorption is an appropriate indicator of photosynthesis because

B) produce organic molecules from inorganic molecules. . Change the absorbent regularly, on Monday morning for instance. a) helps transport H+ against the concentration gradient. This drives the reactions to form ATP and NADPH. C) is attributable to high CO2 levels. Guard cells. NADPH Chlorophyll is found in the __________ of chloroplasts. A) blue (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). 59) Global warming due to the greenhouse effect may be a fuel for cellular respiration and a starting material for making other organic molecules. Youve added an indicator to each solution. respiration in that E) a fuel for cellular respiration and a starting material for making other organic molecules. e) RuP. E) is a result of the oxidation of glucose. C) In photosynthesis, carbon dioxide is oxidized to form sugar, while in respiration, sugar is reduced to form carbon dioxide. 47) In photosynthesis, the chemiosmotic production of ATP D) helps transport H+ against the concentration gradient. A student poured a solution of bromthymol blue indicator into three test tubes. B) two a) The light reactions occur in the thylakoid membranes, while the Calvin cycle occurs in the stroma. E) are only found on land. Males: In the 7 th weekof development, the SRY gene on the Y chromosome activates anumber of genes, and the gonads develop as testes. A) one D) Photosynthesis produces O2; respiration produces CO2. C) Chlorophyll b primarily uses green light as the source of energy for photosynthesis. d) Glucose (C6H12O6) D) chlorophyll, 14) If you expose a photosynthesizing plant to water that contains both radioactive H and radioactive O, B) ATP A) NADPH is reduced to NADP+. Chlorophyll b and carotenoids A) are best at absorbing the energy of green light. light would probably It has increased from the pre-industrial level of 280 mol mol -1 in 1750 to c. 400 mol mol -1 at present and is expected to increase to c. 900 mol mol -1 by the end of the 21st century. electrons c) phaser. C) reduced by the burning of fossil fuels, which removes oxygen from the atmosphere. Which of the following is part of the light reaction? Distinguish between utilitarian conservation and biocentric preservation. C) occurs during the light reactions. When the carbon dioxide concentration decreases, the color of the indicator solution also changes. Carbon dioxide is particularly influential in regulating pH. B) Each preferentially absorbs slightly different wavelengths of light. ) CO2 enters and O2 escapes from a leaf via cellular respiration and photosynthesis pract, Biology | Unit 2 Review | Classification, Evo, 5. organisaiton: plant organisation: Transpir, Michelle Provost-Craig, Susan J. ATP is not produced during photosynthesis, but only during cellular respiration. > >U bjbj 7 L T 8 $ , , ? 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. 41) The electrons lost from the reaction center of photosystem I are replaced by electrons from . Container A is placed under normal sunlight, B under green light, and C under red light. a) Sucrose (C12H22O11) When the carbon dioxide concentration decreases, the color of the indicator solution also changes. the final electron acceptor is NADP+ and not oxygen. A) CO2. absorption of carbon dioxide as an indicator of the rate of photosynthesis in aquatic ecosystems. C) Photosynthesis consumes CO2; respiration consumes O2. He placed a stopper on each test tube and placed them all in the dark for 24 hours. Figure 5.5 Photosynthesis uses solar energy, carbon dioxide, and water to release oxygen to produce energy-storing sugar molecules. the energy in CO 2 is used to produce ATP and NADPH. b) absorb electrons. Passive transport requires an input of energy from the cell. one? B) electromagnetic B) photosynthesis. c) Carbon dioxide (CO2) Column A A) oxygen. c) oxygen. Destroying the H+ gradient that allows ATP synthase to work. C) The greenhouse effect is inversely related to increasing levels of atmospheric CO2. How do the reaction centers of photosystem I and II differ? C) glycolysis. In this drawing of a chloroplast, which structure represents the thylakoid membrane? It moves by diffusion through small holes in the underside of the leaf called stomata. 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. 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. A) Photosynthesis involves only reductions, while respiration involves only oxidations. A by-product of cellular respiration is heat. The stomata open to absorb the carbon dioxide needed to perform photosynthesis. Mutation that introduces a different codon, resulting in a different amino acid. b. plants produce oxygen gas by splitting CO2. You're conducting an experiment You see the boy next door trying to push a crate down the sidewalk. b) orange. 4) Autotrophs that utilize light as their energy source are. D) include only the green plants. b) chemiosmosis can occur across the thylakoid membrane. E) helps transport H+ against the concentration gradient. 1) Based on your knowledge of the process of photosynthesis, the plant in the container placed under red 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. Container A is placed under normal sunlight, B under green light, and C under red light. Although the reactions of the Calvin cycle are not directly dependent on light, they usually do not occur at night. How can the cell move sodiumout ofthe cell? We do not see the absorbed wavelengths, only those that are reflected. B) is of benefit to the plant since it breaks down rubisco. D) Excitation of the electrons is a very stable state. a) electromagnetic C) Photosystem I functions first in the sequence of steps that make up the light reactions. . g. Scala tympani The full range of electromagnetic energy is called the ________ spectrum. What happened to the energy that was stored in your gastank after your lawnmower comes to a stop as a resultof running out of gas? D) is a result of the oxidation of glucose. 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. D) absorption of photons by carotenoids. They get their name, in part, because they use H2S (hydrogen sulfide) instead of water during the light reactions. Which of the following are produced during the Calvin cycle? D) the energy in CO2 is used to produce ATP and NADPH. a) function in energy transformation. She placed one beaker in the shade and the other beaker beside a fluorescent lamp. B) thylakoid membranes B) is broken down by carbon dioxide. D) four, 64) Which of the following has been a major source of ozone destruction over the past 50 years? Brainscape helps you realize your greatest personal and professional ambitions through strong habits and hyper-efficient studying. C) regeneration of ATP is driven by a flow of protons through an ATP synthase. Which of the following statements regarding photosynthesis and cellular respiration are true? C) They allow the plant to fix carbon more efficiently in dim or cool conditions. functions is linearly dependent or linearly independent on C) H+ . how did scientists alter the gene for antithrombin so that it could be isolated from milk? 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. l. Tympanic membrane (eardrum) B) is broken down by carbon dioxide. D) green, 28) Of the following wavelengths of light, which would you expect to be reflected or transmitted by This site is using cookies under cookie policy . a) NADH Carbon dioxide absorption is an appropriate indicator of photosynthesis because. E) CO2 energizes electrons in the electron transport system. E) The release of energy by the excited electron can be as heat, light, or fluorescence. a) It is often too cold at night for these reactions to take place. c) is found in the stroma. In simple summary form, the input of the Calvin cycle for every product is _____, and the output is _____ used for glucose synthesis. a) a fuel for cellular respiration and a starting material for making other organic molecules. B CO2 is needed to produce sugars in the Calvin cycle . If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease and vice versa. d. the energy in CO2 is used to produce ATP and NADPH. Involves the splitting of glucose: G B) Young trees fix carbon at a lower rate per unit mass than old trees. 2003-2023 Chegg Inc. All rights reserved. , Why are there less air bubbles as the plant is place further away from the light source E) have chloroplasts and vestigial mitochondria. E) its enzymes are membrane-bound, D) the final electron acceptor is NADP+ and not oxygen. ) 61) It has been argued that cutting old-growth forests and replacing them with plantations of young trees Tube within cochlea containing spiral organ and endolymph. Carbon dioxide absorption is an appropriate indicator of photosynthesis because Selected Answer: CO2 is needed to produce sugars in the Calvin cycle. A student prepared two beakers with identical sprigs of a water plant as shown below. D) The greenhouse effect has no direct relationship with the Industrial Revolution of the 1800s. D) pass absorbed energy to chlorophyll a. 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. B) carbon dioxide. 2Carbon dioxide absorption is an appropriate indicator of photosynthesis because A the energy in CO2 is used to produce ATP and NADPH. B) made worse by photosynthesis, which adds carbon dioxide to the atmosphere. 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. grana . The containers are observed for a 24-hour period. 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? . energy into the chemical energy of ATP. centers were inactivated by a toxin? c) light. containers are observed for a 24-hour period. You could distinguish a granum from an inner mitochondrial membrane because the granum, but not the inner mitochondrial membrane, would _____. A) ATP is not produced during photosynthesis, but only during cellular respiration. B) H2O. A) The greenhouse effect is reduced by deforestation. What important fact does this argument D) of little concern, since it is part of the normal cycle for the planet. D) formation of waste products in the form of O2, 22) Which of the following are produced during the Calvin cycle? . Correct Chapter 7 Question 57 MultipleChoice Part A Plants use sugars as ANSWER:carbon . The Pasteur effect shows that yeast consume glucose at a higher rate under anaerobic conditions than under aerobic conditions. a) hydrocarbons. form carbon dioxide. 8) In most green plants, chloroplasts are A) concentrated in a zone of leaf tissue called the mesophyll. The light reactions of photosynthesis include _____. b) methane. c) ADP ATP. d) pigment. C) In photosynthesis, carbon dioxide is oxidized to form sugar, while in respiration, sugar is reduced to C) light . Estimate the mass of the crate. A student prepared two beakers with identical sprigs of a water plant as shown below. B) produce organic molecules from inorganic molecules. D) Most of the young trees would die within a few years. . B) CO2 is needed to complete the light reactions. 36) Clusters of light-gathering pigments in a photosystem c) the membrane brings chlorophyll closer to the light. B) lack mitochondria but have chloroplasts. d) the Calvin cycle is triggered. e. Membranous labyrinth Why don't Calvin Cycle reactions occur during the night? Small aquatic plants are placed into three containers of water mixed with carbon dioxide. C) Most of the biomass of the cut trees would be added to the atmosphere as CO2 within a few years. B) supplies the cell with ATP. Which of the following graphs represents the effect of increasing light intensity on the rate of photosynthesis? How many turns of the Calvin cycle are required to produce one molecule of glucose? B) Each preferentially absorbs slightly different wavelengths of light. 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 . E) uses noncyclic electron flow to capture energy in glucose. When the carbon dioxide concentration decreases, the At the same time other chemical changes may occur, which form additional colors through the development of red anthocyanin pigments. In glycolysis, . is oxidized and .. is reduced. He placed a stopper on each test tube and placed them all in the dark for 24 hours. (a) When cooled, the densities of most objects (1) increase, (2) decrease, (3) stay the same. 19) The light reactions occur in the ________, while the Calvin cycle occurs in the ________. Bromthymol blue turns from blue to yellow in the presence of CO2. E) of little concern, since it is part of the normal cycle for the planet. D) produces glucose. The electron transport chains of the light reactions A) are located in the stroma. D) H+ . (SELECT ALL THAT APPLY.). According to this figure, how do H+ ions make their way from the stroma to the thylakoid interior? Why? The greenhouse effect is exacerbated by the use of fossil fuels. Youre 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. Then, he placed an aquatic plant in two of the test tubes, as shown below. . In muscle cells, fermentation produces ____ lactate and NAD+ In fermentation _____ is reduced and _____ is oxidized. C) are inputs to the photosystems. . . A) carbon monoxide. A) Plants require carbon dioxide, water, and sunlight to make glucose. through an electron transport chain molecule, Global warming due to the greenhouse effect may be. A) CO2 is needed to produce sugars in the Calvin cycle. containers are observed for a 24-hour period. The concentration of CO2 will decrease as plants use the energy in CO2 to produce ATP energy that cells use to make sugars. B) H+ . Browse over 1 million classes created by top students, professors, publishers, and experts. D) the energy in CO 2 is used to produce ATP and NADPH. The primary function of light absorption by photosystems I and II is to produce _____. 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. Expert Answer Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator solution. She counted the bubbles given off by the plants in each beaker. d) reduction of NADP+. light . c) NADPH After the process is complete, photosynthesis releases oxygen and produces carbohydrate molecules, most commonly glucose. a stop codon is introduced prematurely, therefore making the protein shorter, the DNA has changed, but the new codon codes for the same amino acid, a nucleotide was deleted, thereby shifting the codons, -both genes are expressed -ex. C) NADH D) a source of electrons for chemiosmosis. a. 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. A) donation of excited electrons by chlorophyll a to a primary electron acceptor B) donation of excited electrons by chlorophyll b to a primary electron acceptor C) absorption of photons by chlorophyll b D) reduction of chlorophyll b by a primary electron acceptor E) absorption of photons by carotenoids, A) donation of excited electrons by chlorophyll a to a primary electron acceptor. Bromthymol blue turns from blue to yellow in the presence of CO2. C) carbon dioxide Which of the following is an example of a photoautotroph? 60) Which of the following statements about the greenhouse effect is true? Which of the following are photoautotrophs? D) Most of the food humans eat can be traced back to photosynthetic plants. B) water. D) food . A student exposed two plants to only red light and two plants to only green light. 31) A packet of light energy is called a absorb more CO2 than the plants under the green light. Which of the following statements regarding photosynthesis is false? Carbon dioxide absorption is an appropriate indicator of photosynthesis because Select one: a. CO2 is needed to complete the light reactions. D) CO2isneeded tocomplete the light reactions. Answer: E Topic: 7.6 Skill: Application. ; stomata. C) ADP, NADP+, O2 color of the indicator solution also changes. c) electrons from carbon dioxide and energy from sunlight. 58) Plant cells Which plant should grow better? How might global climate change affect the aquifer? D) provides the cell with a supply of NADPH molecules. B) green B) powers the process of glucose synthesis by supplying the cell with ATP. B) chlorophyll. D) methane. B) couples the flow of H+ to the phosphorylation of ADP. Glycolysis is the only stage of cellular respiration that requires _______ to make ______. D) ATP, NADPH, CO2. B) are found at the reaction center. John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine, David N. Shier, Jackie L. Butler, Ricki Lewis, Literature II: Restoration and Eighteenth Cen, American Government Chapter 13 - Presidential. Changing the enzyme's three-dimensional shape. cyanobacteria in freshwater and marine ecosystems, Autotrophs that utilize light as their energy source are. The photosystems absorb solar energy and pass that energy to the mitochondria. C) orange c) the production of sugars. This is why plants need to take in carbon dioxide. b) Chlorophyll a is found in photosystem I and chlorophyll b in photosystem II. a) quantum. D) levels in the atmosphere have been steadily increasing in the past century. A) Plants require carbon dioxide, water, and sunlight to make glucose. f. Pharyngotympanic (auditory) tube C) In photosynthesis, carbon dioxide is oxidized to form sugar, while in respiration, sugar is reduced to form carbon dioxide. Produces CO2: CAC . Which of the following are produced during the light reactions of photosynthesis? D) phaser. How do the reaction centers of photosystem I and II differ? B) glucose. C) NADP+ is reduced to NADPH. b) G3P (C3H6O3) Which of the following statements concerning the role of redox reactions in photosynthesis and cellular respiration is true? In photosynthesis, . is oxidized and . Is reduced, -occurs in the cytoplasm -glucose goes in -make 2 molecules of ATP per 1 glucose -produces pyruvate, -occurs in mitochondria -needs pyruvate -produces CO 2 -produces 2 ATP per 1 glucose, -occurs in mitochondria -required oxygen -produces water -produces 28 ATP per 1 glucose, chemical equation for cellular respiration, can form the most bonds and is therefore the most versatile element to build molecules from, -energy processing -growth and development -response to the environment -evolutionary adaptation -order (made of cells) -reproduction -regulation, -forms hydrogen bonds -can moderate temperature -water is the solvent of life -supports molecular functions, The gene p53, which checks for DNA damage at the G1 checkpoint, is missing or mutated, causing cells to divide uncontrollably, By the Y chromosome of the male, which is separated during Meiosis I, where half get an X and half get a Y. Meiosis ends in. and Mitosis ends in.. -when homologous chromosomes pair during meiosis, non-sister chromatids exchange homologous portions -following crossing over, the chromatids are recombinant, combing paternal and maternal genes. Energy is never created or destroyed. solution. Some stages may have more than one characteristic or share characteristics. Container A is placed under normal sunlight, B under green light, and C under red light. D) red. 1) What is the name given to organisms that can make their own food and thus sustain themselves. D) provide energy for the Krebs cycle. Anaphase- chromatids separate and create daughter chromosome. The electrons lost from the reaction center of photosystem II are replaced by electrons from nucleus. d. Malleus Produces molecules of NADPH: L The electron transport chains of the light reactions. This is the initial step of a complex process leading to the formation of sugars. What is the role of oxygen in cellular respiration? If the D) the same as the equation for glycolysis written in reverse. C) CO2isneeded toproduce sugars intheCalvin cycle. A) glucose, ADP, NADP+ They also open to release the oxygen produced by this process. nucleus A) pass energy to the reaction center. A) donation of excited electrons by chlorophyll a to a primary electron acceptor . NADH The light reactions of photosynthesis use _____ and produce _____. Based on this information, which part of cellular respiration would be stopped if arsenic were ingested? Plants appear green as they absorb these colors and reflect mostly green light. This transforms the water into oxygen and the carbon dioxide into glucose. Plants use sugars as What can you conclude about how the distance from a light source relates to the rate of photosynthesis? During the growing season leaves take up carbon dioxide. 48) Mitochondria transfer ________ energy from ________ to ATP; chloroplasts transform ________ B) energy is stored in the form of a proton concentration difference. 56) The ultimate source of all the food we eat and the oxygen we breathe is The driving force behind electron transport chain is ____________. Within the plant cell, the water is oxidized, meaning it loses electrons, while the carbon dioxide is reduced, meaning it gains electrons. Although the reactions of the Calvin cycle are not directly dependent on light, they usually do not occur at night. B) lack mitochondria but have chloroplasts. C) shuttle electrons along in a series of redox reactions. D) the bottom of the electron transport chain. Occurs when carbon atoms from CO2are incorporated into an organic molecule. A) requires oxygen. 1) The summary equation for photosynthesis is A) 6 CO2 + 6 H2O + sunlight C6H12O6 + 6 O2. c) glucose, ADP, NADP+. ; or chlorophyll a? 2. b) nuclear. 35) How do the reaction centers of photosystem I and II differ? C) O2 . E) They allow the plant to avoid photorespiration by producing a four-carbon sugar in place of glucose.

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