carbon dioxide absorption is an appropriate indicator of photosynthesis becausecarbon dioxide absorption is an appropriate indicator of photosynthesis because

Plants use sugars as A) a fuel for photophosphorylation. When the carbon dioxide concentration decreases, the D) absorption of photons by carotenoids. E) NADPH. A) occurs when carbon and oxygen from CO2 are incorporated into an organic molecule. six? 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 Be hypertonic to tank B. 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. chlorophyll a? D) pass absorbed energy to chlorophyll a. E) catalyze the incorporation of carbon atoms into RuBP. 4) Autotrophs that utilize light as their energy source are. b) cytoplasm . d) carbon monoxide. d) When light energy is not available, plants can derive energy from inorganic molecules. D) provide energy for the Krebs cycle. Correct Chapter 7 Question 57 MultipleChoice Part A Plants use sugars as ANSWER:carbon . The movement of H+ across a membrane down its concentration gradient, Carbon dioxide absorption is an appropriate indicator of photosynthesis because. d) pigment. C) absorption of photons by chlorophyll b When the carbon dioxide concentration decreases, the The energy to run the Calvin cycle is produced. grana . Occurs when carbon atoms from CO2are incorporated into an organic molecule. ATP. It is well established that as CO 2 in the atmosphere . After reading the paragraph, answer the question(s) that follow. D) are used in the electron transport chain to pump H+ into the thylakoid space. 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. D) Most of the food humans eat can be traced back to photosynthetic plants. B) is analogous to the production of ATP in mitochondria. c) CO2 is needed to produce sugars in the Calvin cycle. l. Tympanic membrane (eardrum) D) a source of electrons for chemiosmosis. 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) electrons from carbon dioxide and energy from ATP. Light energy is required to drive the transfer of the electrons to NADP+. B) Photons raise electrons in pigments to the ground state. Why? a. C) Pigments only lose energy in the excitation process. 62) Ozone B) thylakoid membranes a) ATP, NADPH, CO2. A student poured a solution of bromthymol blue indicator into three test tubes. B) water. solution. They record their results and display them on a graph as shown. B) CO 2 is needed to complete the light reactions. When chloroplast pigments absorb light, their electrons become excited. A) It takes several minutes for the pigment electrons to become excited. If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease, and vice versa. D) The greenhouse effect has no direct relationship with the Industrial Revolution of the 1800s. A) Chlorophyll a reflects green light. How do the reaction centers of photosystem I and II differ? A) is an evolutionary relic from when atmospheric O2 levels were low and did not interfere with rubisco. The other five remain and are rearranged to form RuBP.) B) energy is stored in the form of a proton concentration difference. c) is found in the stroma. b) FADH2 a) quantum. D) The greenhouse effect will decrease the average temperature of the planet. . Sunlight is a type of ________ energy. D) a spring. The stomata open to absorb the carbon dioxide needed to perform photosynthesis. . C) does not have a reaction center. E) thylakoids; stroma. He placed a stopper on each test tube and placed them all in the dark for 24 hours. 3) Which of the following is an example of a photoautotroph? 46) The chloroplast ATP synthase A) CO2. because cellular respiration decreases when there is less ligh c) the production of sugars. 83) Carbon dioxide absorption isanappropriate indicator ofphotosynthesis because A) plants produce oxygen gasbysplitting CO2. C) a windmill. 27) Which of the following colors contributes the least energy to photosynthesis? Elevated atmospheric carbon dioxide concentration (elevated CO 2) is a major component of climate change. A) blue What important fact does this argument ignore? E) are used in the electron transport chain to pump H+ into the thylakoid space. See answer Advertisement amrendrachoubay456 Answer: D) levels in the atmosphere have been steadily increasing in the past century. | : : O " ) " e 0 . C) concentrated in a portion of the leaf called the stroma. They also open to release the oxygen produced by this process. food . d) the Calvin cycle is triggered. B) is best at absorbing the energy of blue-violet and red light, just like chlorophyll a. Bromthymol blue turns from blue to yellow in the presence of CO2. the final electron acceptor is NADP+ and not oxygen. 60) Which of the following statements about the greenhouse effect is true? CO2 is needed to produce sugars in the Calvin cycle. This is why plants need to take in carbon dioxide. 38) The energy that excites P680 and P700 is supplied by D) include only the green plants. Column B In addition, glyceraldehyde-3-phosphate (G3P), a three-carbon molecule, is shunted off the cycle for glucose synthesis. a) heat. D) Most of the young trees would die within a few years. B) are found in the roots of plants. E) is a result of the oxidation of glucose. 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. Carbon exchange with the atmosphere mostly happens through photosynthesis and respiration. through an electron transport chain molecule, Global warming due to the greenhouse effect may be. molecules. Why don't Calvin Cycle reactions occur during the night? E) absorb more CO2 than the plants under the green light. How many turns of the Calvin cycle are required to produce one molecule of glucose? d. 1,000 minutes === hours. B) is of benefit to the plant since it breaks down rubisco. grana . Using this value, find the separation distance of the 222 nitrogen atoms. A) chemical . The containers are observed for a 24-hour period. 31) A packet of light energy is called a Which of the following are produced during the Calvin cycle? They help the plant conserve water and synthesize glucose efficiently under hot, dry conditions. 2. When the carbon dioxide concentration decreases, the color of the indicator solution also changes. They get their name, in part, because they use H2S (hydrogen sulfide) instead of water during the light reactions. 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. Produces CO2: CAC Guard cells. c) Plants usually open their stomata at night. Within the plant cell, the water is oxidized, meaning it loses electrons, while the carbon dioxide is reduced, meaning it gains electrons. 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. B) are very different from those of cellular respiration. c) blue, red, and violet. Increasing the distance from the light source decreased the rate of photosynthesis. Place the letter of your choice in the space provided. B) stroma . Browse over 1 million classes created by top students, professors, publishers, and experts. e) Chlorophyll. B) produce organic molecules from inorganic molecules. A) NADPH is reduced to NADP+. According to this figure, how do H+ ions make their way from the stroma to the thylakoid interior? A) concentrated in a zone of leaf tissue called the mesophyll. > >U bjbj 7 L T 8 $ , , ? a) NADPH recycling. What is the source of energy that provides the boost for electrons during photosynthesis? D) the energy in CO2 is used to produce ATP and NADPH. a) It is often too cold at night for these reactions to take place. kinetic Which of the following graphs represents the effect of increasing light intensity on the rate of photosynthesis? C) Excitation of the electrons is a very stable state. C) carotenoids. D) anaerobic metabolism. 43) Photosystem II Which of the following is part of the light reaction? A) They help the plant conserve water and synthesize glucose efficiently under hot, dry conditions. A) ATP is not produced during photosynthesis, but only during respiration. Males: In the 7 th weekof development, the SRY gene on the Y chromosome activates anumber of genes, and the gonads develop as testes. B) glucose, ADP, NADP+, CO2 d) fluorescence. c) CO2 is needed to produce sugars in the Calvin cycle. Does the distribution shown in the figure seem reasonable? ________ cells in leaves are specialized for photosynthesis. ATP is not produced during photosynthesis, but only during cellular respiration. true or false: organisms on earth are currently classified first as either plant or animal. A) water. make glucose or other organic molecules. color of the indicator solution also changes. D) the bottom of the electron transport chain. AP BIO - Unit 2 Cell Structure & Function, DH 126 Chapter 7 terms- fr 35-78-Soft Tissues, David N. Shier, Jackie L. Butler, Ricki Lewis, John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine. You've added an indicator to each solution. Which of the following statements regarding photosynthesis and cellular respiration are true? 1) The summary equation for photosynthesis is A) 6 CO2 + 6 H2O + sunlight C6H12O6 + 6 O2. B) passes electrons to photosystem I. Which plant should grow better? Occurs in an animal cell: G, CAC, ETC a) pass energy to the reaction center. B) a propeller on a motorboat. b) the stoma. E) a fuel for cellular respiration and a starting material for making other organic molecules. Produces O2: L This is the initial step of a complex process leading to the formation of sugars. c. CO2 is needed to produce sugars in the Calvin cycle. A) electromagnetic . D) are found on the plasma membrane of mesophyll cells. 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. Which of the following statements correctly explains this observation? What transports electrons from the light reactions to the Calvin cycle? 62) The greenhouse effect is A) reduced by photosynthesis, which removes carbon dioxide from the atmosphere. B) H+ . . If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease and vice versa. C) NADH 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. B) transports H+ ions from the stroma to the thylakoid space. b) nuclear. b) is a nucleic acid complex. E) The greenhouse effect has no direct relationship with the Industrial Revolution of the 1800s. E) are found on the inner membrane of chloroplasts. b) glucose, ADP, NADP+, CO2. D) produces glucose. Carbon dioxide absorption is an appropriate indicator of photosynthesis because. thylakoid membranes. 18) Which of the following statements regarding photosynthesis is false? 13 a) carbon dioxide. The oxygen released into the air as a product of photosynthesis comes from. B) Each preferentially absorbs slightly different wavelengths of light. ) versa. . D) H in glucose and water; O in O2. Distinguish between utilitarian conservation and biocentric preservation. d) electromagnetism. ; thylakoids. B CO2 is needed to produce sugars in the Calvin cycle . b) glucose, ADP, NADP+, CO2. Normal human gametes carry ____ chromosomes. D) nuclear, 25) The full range of electromagnetic energy is called the ________ spectrum. They place an Elodea plant into a test tube filled with water. The electrons lost from the reaction center of photosystem II are replaced by electrons from B) They allow the plant to fix carbon more efficiently under conditions of low atmospheric CO2. B) H in glucose; O in water A) electrons . Produces molecules of NADPH: L C) occurs during the light reactions. In this drawing of a chloroplast, which structure represents the thylakoid membrane? Plants appear green as they absorb these colors and reflect mostly green light. After reading the paragraph, answer the question(s) that follow. centers were inactivated by a toxin? b) 6 CO2 glucose. A) Photosynthesis involves only reductions, while respiration involves only oxidations. D) the energy in CO2 is used to produce ATP and NADPH. E) CO2 energizes electrons in the electron transport system In muscle cells, fermentation produces ____. water . In glycolysis, . is oxidized and .. is reduced. 16) 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? d) kinetic, Which of the following colors contributes the least energy to photosynthesis? cellular respiration is true? The synthesis of ATP from ADP and a phosphate group. C) the top of the electron transport chain. The containers are observed for a 24-hour period. a) NADH b) absorb electrons. Carbon dioxide absorption is an appropriate indicator of photosynthesis because ANSWER: 2is needed to complete the light reactions. Energy is never created or destroyed. 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. hot, moistb. A) Plants require carbon dioxide, water, and sunlight to make glucose. . b) a free, energized electron. C) provide energy to Photosystem I and Photosystem II. What provides electrons for the light reactions? A) oxygen. C) energy C) photons. E) helps transport H+ against the concentration gradient. A) requires oxygen. If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease and vice versa. a) The light reactions occur in the thylakoid membranes, while the Calvin cycle occurs in the stroma. 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 photosynthesis, plants take in carbon dioxide (CO2) and water (H2O) from the air and soil. f1(x)=x,f2(x)=x2,f3(x)=4x3x2. In fact, the jump of 2.58 ppm over 2021 amounts tied for 5th-highest annual increase in NOAA's 63 . The electrons lost from the reaction center of photosystem I are replaced by electrons from A) CO2. 35) How do the reaction centers of photosystem I and II differ? A) Photosynthesis involves only reductions, while respiration involves only oxidations. a) green, orange, and red. Unlike cellar respiration, photosynthesis occurs in. C) Chlorophyll b primarily uses green light as the source of energy for photosynthesis. c) green. 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. . B) Photosynthesis is ultimately powered by light energy and respiration by the chemical energy of fuel molecules. A) pass energy to the reaction center. B) made worse by photosynthesis, which adds carbon dioxide to the atmosphere. 30) Plant cells are protected from the harmful effects of reactive oxidative molecules by form carbon dioxide. D) ultraviolet. Occurs in the mitochondria: CAC, ETC . FADH2 shuttles electrons to the electron transport chain: CAC 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, What is the source of energy that provides the boost for electrons during photosynthesis? A) G3P the Calvin cycle depends on products of the light reactions. Which figure depicts an animal cell placed in a solution hypotonic to the cell? The electron transport chains of the light reactions A) are located in the stroma. What is the likely origin of chloroplasts? d) be inside a mitochondrion. The containers are observed for a 24-hour period. E) 6 CH2O + 5 O2 + sunlight CO2 + 2 H2O. A) carbon fixation A) CO2. C) CO 2 is needed to produce sugars in the Calvin cycle. grana. In photosynthesis, the chemiosmotic production of ATP A) requires oxygen. a) Each preferentially absorbs slightly different wavelengths of light. Two turns C) a carotenoid C) orange g. Scala tympani C) carbon dioxide Convert: 23) Carbon fixation D) the final electron acceptor is NADP+ and not oxygen. How do the reaction centers of photosystem I and II differ? 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) ATP. C) Most of the biomass of the cut trees would be added to the atmosphere as CO2 within a few years. chemical The plants in the red light because chlorophyll absorbs red light. how did scientists alter the gene for antithrombin so that it could be isolated from milk? B) pigment. D) In photosynthesis, carbon dioxide is reduced to form sugar, while in respiration, sugar is oxidized to form carbon dioxide. food . E) Burning wood contributes more to acid rain than burning fossil fuels. b) H2O- Water. B) a starting material for the Calvin cycle. . Carbon dioxide absorption is an appropriate indicator of photosynthesis because:_________.A) CO2 is needed to complete the light reactions.B) The energy in CO2 is used to produce ATP and NADPH.C) Plants produce oxygen gas by splitting CO2.D) CO2 is needed to produce sugars in the Calvin cycle. C) hydrocarbons. C) cytoplasm . 6) In most green plants, chloroplasts are. 59) Global warming due to the greenhouse effect may be Which of the following statements about the greenhouse effect is true? 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. B) photorespiration. You see the boy next door trying to push a crate down the sidewalk. Produces molecules of NADH: G, CAC A) is a nucleic acid complex. Formation of waste products in the form of O2. D) the energy in CO2 is used to produce ATP and NADPH. . C) cellular respiration C) The greenhouse effect is inversely related to increasing levels of atmospheric CO2. A) reduced by photosynthesis, which removes carbon dioxide from the atmosphere. Figure 5.5 Photosynthesis uses solar energy, carbon dioxide, and water to release oxygen to produce energy-storing sugar molecules. As a result of the cascade of electrons down the electron transport chains of the light reactions. D) the top of the electron transport chain. , Why are there less air bubbles as the plant is place further away from the light source A) Chlorophyll a is found in photosystem I and chlorophyll b in photosystem II. You have a large, healthy philodendron that you carelessly leave in total darkness while you are away on vacation. The greenhouse effect is exacerbated by the use of fossil fuels. D) found throughout the leaf tissue. b) electrons from water and energy from ATP. E) All photosynthetic pigments are colored green. Plant cells A) lack mitochondria and chloroplasts. A) stroma Occurs in the chloroplast: CC, L 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? . Most commonly, a vapor-coolant is used on \rule{1cm}{1pt} injuries, and \rule{1cm}{1pt} and \rule{1cm}{1pt} strains.