Why are most plants green? 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. B) H2O. Youve added an indicator to each solution. B) energy is stored in the form of a proton concentration difference. D) nuclear, 25) The full range of electromagnetic energy is called the ________ spectrum. B) reduction of carbon D) They make it possible for the plant to use the Calvin cycle at night. E) NADPH. D) the top of the electron transport chain. a) quantum. A) two You are surprised to find that it is still alive when you return. Plants gather the sun's energy with light-absorbing pigments called, The oxygen released into the air as a product of photosynthesis comes from. B) The greenhouse effect is exacerbated by the use of fossil fuels. E) have chloroplasts and vestigial mitochondria. D) phaser. b) ATP. CO2 is needed to produce sugars in the Calvin cycle. > >U bjbj 7 L T 8 $ , , ? d) photosystem I. In addition, glyceraldehyde-3-phosphate (G3P), a three-carbon molecule, is shunted off the cycle for glucose synthesis. 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. In muscle cells, fermentation produces ____. A) Photosynthesis involves only reductions, while respiration involves only oxidations. C) glycolysis. D) of little concern, since it is part of the normal cycle for the planet. 27) Which of the following colors contributes the least energy to photosynthesis? b) orange. C) CO2isneeded toproduce sugars intheCalvin cycle. C) stroma; thylakoids The light reactions of photosynthesis use _____ and produce _____. A) Photosynthesis involves only reductions, while respiration involves only oxidations. How do the reaction centers of photosystem I and II differ? A) carbon monoxide. This recombination of maternal and paternal genetic material is a key feature of meiosis. He placed a stopper on each test tube and placed them all in the dark for 24 hours. Distinguish between utilitarian conservation and biocentric preservation. c) Carbon dioxide (CO2) Tube within cochlea containing spiral organ and endolymph. the wavelength increases as a plant is placed further away from a light source. B) CO2 is needed to complete the light reactions. C) photophosphorylation. C) absorption of photons by chlorophyll b D) Photosystem II does not transfer electrons from photons. Carbon dioxide initially combines with RuBP, and RuBP is regenerated to continue the Calvin cycle. a. thylakoid membranes. The containers are observed for a 24-hour period. 32) Which of the following statements about the absorption of photons by pigment molecules is true? What are three factors that affect the rate of photosynthesis? 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 The other five remain and are rearranged to form RuBP.) D) The greenhouse effect has no direct relationship with the Industrial Revolution of the 1800s. A) electrons . . B) made worse by photosynthesis, which adds carbon dioxide to the atmosphere. Plants absorb carbon dioxide from the air, combine it with water and light, and make carbohydrates the process known as photosynthesis. Although the reactions of the Calvin cycle are not directly dependent on light, they usually do not occur at night. Two turns d) forms part of photosystem II. A) They help the plant conserve water and synthesize glucose efficiently under hot, dry conditions. D) chemiosmosis. 48) Mitochondria transfer ________ energy from ________ to ATP; chloroplasts transform ________ Which of the following is part of the light reaction? c) potential. Photoautotrophs A) make sugar by using organic raw materials. Why don't Calvin Cycle reactions occur during the night? D) the bottom of the electron transport chain. 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. Bromthymol blue turns from blue to yellow in the presence of CO2. The light reactions occur in the ________, while the Calvin cycle occurs in the ________. nucleus chlorophyll a? A) chlorophyll b b) a fuel for photosynthesis. b. Cochlear duct C) Chlorophyll b primarily uses green light as the source of energy for photosynthesis. D) ATP. . C) a source of electrons for chemiosmosis. It is well established that as CO 2 in the atmosphere . ATP. D) pass absorbed energy to chlorophyll a. E) catalyze the incorporation of carbon atoms into RuBP. structure C According to this figure, how do H+ ions make their way from the stroma to the thylakoid interior? Container A is placed under normal sunlight, B under green light, and C under red light. D) Photosynthesis produces O2; respiration produces CO2. b) chemiosmosis can occur across the thylakoid membrane. Plants release what gaseous by-product as a result of photosynthesis? B) Chlorophyll a absorbs green light. C) Photosynthesis consumes CO2; respiration consumes O2. Photosynthetic organisms derive their carbon from hot, moistb. . C) is attributable to high CO2 levels. 5) What is the likely origin of chloroplasts? When the carbon dioxide concentration decreases, the color of the indicator solution also changes. (SELECT ALL THAT APPLY.). What important fact does this argument ignore? Explain. d) An electron transport chain D) catalyze the incorporation of carbon atoms into RuBP. What does not occur during the Calvin Cycle? The electron transport chains of the light reactions A) are located in the stroma. Convert: Container A is placed under normal sunlight, B under green light, and C under red light. B) The greenhouse effect is exacerbated by the use of fossil fuels. absorption of carbon dioxide as an indicator of the rate of photosynthesis in aquatic ecosystems. Where in the chloroplast is chlorophyll found? cellular respiration is true? C) absorb electrons. D) ultraviolet. Kidney failure and decreased urine production are due to increased numbers of aquaporins. e) Chlorophyll. E) Burning wood contributes more to acid rain than burning fossil fuels. A) CO2. 19) The light reactions occur in the ________, while the Calvin cycle occurs in the ________. D) include only the green plants. CO2 provides the carbon atoms that are incorporated into sugars in photosynthesis. D) CO2isneeded tocomplete the light reactions. Change the absorbent regularly, on Monday morning for instance. like Correct Answer: CO2 is needed to produce sugars in the Calvin cycle. a) carbon dioxide. versa. Contain membrane folds called cristae, whereas chloroplasts contain disk-like vesicles in stacks called grana. Chlorophyll b and carotenoids A) are best at absorbing the energy of green light. A) chemical . B) glucose. B) lack mitochondria but have chloroplasts. B) is analogous to the production of ATP in mitochondria. . C) Photosynthesis consumes CO2; respiration consumes O2. As a result of the cascade of electrons down the electron transport chains of the light reactions. B) powers the process of glucose synthesis by supplying the cell with ATP. The concentration of CO2 will decrease as plants use it to energizes electrons in the electron transport system. A) is an evolutionary relic from when atmospheric O2 levels were low and did not interfere with rubisco. Why? For every six molecules of G3P produced, 3 CO2 enter the cycle. c) 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. A) stroma . C) is a source of oxygen for cellular respiration. 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) Most of the biomass of the cut trees would be added to the atmosphere as CO2 within a few years. A) NADPH is reduced to NADP+. Which of the following are produced during the Calvin cycle? a) Sucrose (C12H22O11) . Produces ATP: L, G, ET , CAC Which of the following are produced during the light reactions of photosynthesis? Based on this information, which part of cellular respiration would be stopped if arsenic were ingested? E) The release of energy by the excited electron can be as heat, light, or fluorescence. You're conducting an experiment to determine the effect of different wavelengths of light on the d) G3P. albinism, -a lot of different genes influence 1 -ex. E) absorb more CO2 than the plants under the green light. C) O2 c. External acoustic meatus C) shuttle electrons along in a series of redox reactions. CO2 enters and O2 escapes from a leaf via. C) is a source of oxygen for cellular respiration. pyruvate . it accepts electrons to the electron transport chain. E) The greenhouse effect has no direct relationship with the Industrial Revolution of the 1800s. The plants in the red light because chlorophyll absorbs red light. 2. . D) provides the cell with a supply of NADPH molecules. A) one color of the indicator solution also changes. A) glucose, ADP, NADP+ E) a fuel for cellular respiration and a starting material for making other organic molecules. The containers are observed for a 24-hour period. a. . hair color. In recent decades, the CO 2 fertilizer (such as AGROSOL, a carbon dioxide gas fertilizer) was applied to promote field condition (open space). Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator B) two A student prepared two beakers with identical sprigs of a water plant as shown below. D) are used in the electron transport chain to pump H+ into the thylakoid space. 12) The oxygen released into the air as a product of photosynthesis comes from a) ADP, NADP+, O2. B) produce organic molecules from inorganic molecules. 7) ________ cells in leaves are specialized for photosynthesis. D) carbon dioxide. A) Forests play too minor a role in global CO2 dynamics, which are affected far more by marine algae. C) carbon dioxide. respiration in that B) Photosynthesis involves only oxidations, while respiration involves only reductions. Carbon is stored in the living biomass. A plant that uses CAM photosynthesis is most likely to be successful in what type of environment?a. If the c) glucose, ADP, NADP+. What is the role of NADP+ in photosynthesis? B) grizzly bears in Alaska. stroma. c. 2 days ==\ldots= minutes D) provides the cell with a supply of NADPH molecules. D) helps transport H+ against the concentration gradient. B) couples the flow of H+ to the phosphorylation of ADP. a) function in energy transformation. Plant cells are protected from the harmful effects of reactive oxidative molecules by. 1) The summary equation for photosynthesis is A) 6 CO2 + 6 H2O + sunlight C6H12O6 + 6 O2. Figure 5.5 Photosynthesis uses solar energy, carbon dioxide, and water to release oxygen to produce energy-storing sugar molecules. d) reduction of NADP+. . Occurs in a plant cell: L, G, ETC, CC, CAC a. Bony labyrinth E) absorb more CO2 than the plants under the green light. 62) Ozone When chloroplast pigments absorb light, their electrons become excited. Clusters of light-gathering pigments in a photosystem B) Each preferentially absorbs slightly different wavelengths of light. d) electromagnetism. C) They allow the plant to fix carbon more efficiently in dim or cool conditions. B) is analogous to the production of ATP in mitochondria. In this drawing of a chloroplast, which structure represents the thylakoid membrane? D) chlorophyll. A) reduced by photosynthesis, which removes carbon dioxide from the atmosphere. B) CO 2 is needed to complete the light reactions. D) absorption of photons by carotenoids. . d) electrons from water and energy from sunlight Which of the following statements regarding photosynthesis is false? make glucose or other organic molecules. B) Each preferentially absorbs slightly different wavelengths of light. ) b) glucose, ADP, NADP+, CO2. A) ATP is not produced during photosynthesis, but only during respiration. D) mushrooms . A) water. The containers are observed for a 24-hour period. A) G3P A) H and O both in glucose C) the top of the electron transport chain. She then systematically changed the distance from the beaker to the lamp. a) cellular respiration. Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator solution. B) a starting material for the Calvin cycle. C) energy Container A is placed under normal sunlight, B under green light, and C under red light. stroma . 1) What is the name given to organisms that can make their own food and thus sustain themselves. 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. stroma . 3 minutes ==\quad= seconds C) are inputs to the photosystems. The electrons lost from the reaction center of photosystem I are replaced by electrons from A) CO2. A) CO2. B) transports H+ ions from the stroma to the thylakoid space. B) ATP You've added an indicator to each solution. because the light independent reaction decreases when there is less light d) carbon monoxide. E) thylakoids; stroma. What is the purpose of test tube #1 that does not contain a plant? b) the release of O2 into the atmosphere. ________ to the thylakoid compartment, generating a concentration gradient of ________. B) electromagnetism B) CO2 is needed to complete the light reactions. E) The principal electron carrier in photosynthesis is NADPH; the principal electron carrier in respiration is NADH. Passive transport requires an input of energy from the cell. b) orange, red, and violet. b) the stoma. Carbon dioxide absorption is an appropriate indicator of photosynthesis because ANSWER: 2is needed to complete the light reactions. the Calvin cycle depends on products of the light reactions. When the carbon dioxide concentration decreases, the B CO2 is needed to produce sugars in the Calvin cycle. C) plants produce oxygen gas by splitting CO2. a) Each preferentially absorbs slightly different wavelengths of light. Plant leaves are also able to absorb and release water through the stomata. B) glucose, ADP, NADP+, CO2 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. They place an Elodea plant into a test tube filled with water. 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? C) NADP+ is reduced to NADPH. This free, energized electron powers the electron transport chain to generate ATP and ultimately be "handed off" to NADP+ to make NADPH for the Calvin cycle. 63) Ozone consists of ________ oxygen atom(s). C) H2O. absorb more CO2 than the plants under the green light. 44) Photophosphorylation during photosynthesis differs from oxidative phosphorylation during cellular B) ATP. Plants use sugars as strategy? The greenhouse effect is exacerbated by the use of fossil fuels. Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator solution. semi-tropicald. D) Most of the food humans eat can be traced back to photosynthetic plants. b) Chlorophyll a is found in photosystem I and chlorophyll b in photosystem II. C) have mitochondria but do not have chloroplasts. B) Photons raise electrons in pigments to the ground state. D CO2 is needed to complete the light reactions. b) methane. Then, he placed an aquatic plant in two of the test tubes, as shown below. At some point, another. 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. . | : : O " ) " e 0 . 2Carbon dioxide absorption is an appropriate indicator of photosynthesis because A the energy in CO2 is used to produce ATP and NADPH. light . They also open to release the oxygen produced by this process. 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. What can you conclude about how the distance from a light source relates to the rate of photosynthesis? B) Young trees fix carbon at a lower rate per unit mass than old trees. 4. C) cellular respiration Involves the splitting of glucose: G 83) Carbon dioxide absorption isanappropriate indicator ofphotosynthesis because A) plants produce oxygen gasbysplitting CO2. A fuel for cellular respiration and a starting material for making other organic molecules. thylakoid membrane D) The greenhouse effect will decrease the average temperature of the planet. How do the reaction centers of photosystem I and II differ? How do the reaction centers of photosystem I and II differ? NADH The light reactions of photosynthesis use _____ and produce _____. The Calvin cycle constructs ________, an energy-rich molecule that a plant cell can then use to make glucose or other organic molecules. 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. d) kinetic, Which of the following colors contributes the least energy to photosynthesis? C) passes absorbed energy to chlorophyll a. produce organic molecules from inorganic molecules. . 56) The ultimate source of all the food we eat and the oxygen we breathe is Carbon dioxide is one of the reactants in photosynthesis. Light reactions are located in the thylakoid membrane because _____. Which of the following are produced during the Calvin cycle? A) They help the plant conserve water and synthesize glucose efficiently under hot, dry conditions. She placed one beaker in the shade and the other beaker beside a fluorescent lamp. D) formation of waste products in the form of O2, 22) Which of the following are produced during the Calvin cycle? d) When light energy is not available, plants can derive energy from inorganic molecules. A) absorb no CO2. 38) The energy that excites P680 and P700 is supplied by B) Photons raise electrons in pigments to the ground state. A) Chlorophyll a is found in photosystem I and chlorophyll b in photosystem II. What is the source of energy that provides the boost for electrons during photosynthesis? How many turns of the Calvin cycle are required to produce one molecule of glucose? Guard cells. The light reactions occur in the ________, while the Calvin cycle occurs in the ________. D) provide energy for the Krebs cycle. What quantum number of the hydrogen atom comes closest to giving a 500-nm-diameter electron orbit? Which figure depicts an animal cell placed in a solution hypotonic to the cell? Produces molecules of NADH: G, CAC Most of the biomass of the cut trees would be added to the atmosphere as CO2 within a few years. A) CO2 is needed to produce sugars in the Calvin cycle. C) occurs during the light reactions. She placed one beaker in the shade and the other beaker beside a fluorescent lamp. hot, dr . Small aquatic plants are placed into three containers of water mixed with carbon dioxide. . C) is done by the Calvin cycle. 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. D) red. 1) Based on your knowledge of the process of photosynthesis, the plant in the container placed under red When the carbon dioxide concentration decreases, the color of the indicator solution also changes. What is the likely origin of chloroplasts? Container A is placed under normal sunlight, B under green light, and C under red light. You see the boy next door trying to push a crate down the sidewalk. b) a free, energized electron. b. plants produce oxygen gas by splitting CO2. Determine whether the given set of Browse over 1 million classes created by top students, professors, publishers, and experts. He can barely keep it moving, and his feet occasionally slip. B) lack mitochondria but have chloroplasts. In photosynthesis, carbon dioxide is reduced to form sugar, while in respiration, sugar is oxidized to form carbon dioxide. 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. d) Glucose (C6H12O6) NADP+ is required for photosynthesis because it _____. E) Burning wood contributes more to acid rain than burning fossil fuels. You have a large, healthy philodendron that you carelessly leave in total darkness while you are away on vacation. D) In photosynthesis, carbon dioxide is reduced to form sugar, while in respiration, sugar is oxidized to form carbon dioxide. ; or Produces molecules of FADH2: CAC CO2 is needed to produce sugars in the Calvin cycle. C) are located on the inner membrane of the chloroplast. d) break down H2O. C) concentrated in a portion of the leaf called 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. 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? c) CO2. Carbon dioxide absorption is an appropriate indicator of photosynthesis because CO2 is needed to produce sugars in the Calvin cycle. electrons C) orange b. Plants use sugars as : 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? The energy that excites P680 and P700 is supplied by A) electrons passing down the electron transport chain. C) absorb the same amount of CO2 as the plants under the green light. B) electromagnetic C) The greenhouse effect will decrease the average temperature of the planet. B CO2 is needed to produce sugars in the Calvin cycle . Mutation that introduces a different codon, resulting in a different amino acid. solution. a) NADH b) FADH2 c) NADPH A) chlorofluorocarbons A) carbon fixation Light energy is required to drive the transfer of the electrons to NADP+. d. the energy in CO2 is used to produce ATP and NADPH. -RNA is made from DNA vis transcription -RNA is transcribed by the enzyme RNA polymerase, -proteins are made from RNA via translation -ribosomes translate proteins w/ the help of transfer RNA. Photosynthesis and cellular respiration both contain electron transport chains.This answer is correct. ATP is not produced during photosynthesis, but only during cellular respiration. D) produces glucose. 55) What is the main adaptive advantage of the C4 and CAM photosynthesis strategies over the C3 energy into the chemical energy of ATP. (a) When cooled, the densities of most objects (1) increase, (2) decrease, (3) stay the same. Which of the following statements concerning the role of redox reactions in photosynthesis and cellular respiration is true? If you shut off the system and pressure was no longer applied to tank A, you would expect c) Photosystem II does not transfer electrons from photons. b) a free, energized electron. D) the energy in CO2 is used to produce ATP and NADPH. A) mitochondria. B) is best at absorbing the energy of blue-violet and red light, just like chlorophyll a. What transports electrons from the light reactions to the Calvin cycle? 30) Plant cells are protected from the harmful effects of reactive oxidative molecules by D) are found on the plasma membrane of mesophyll cells. 39) The electron transport chains of the light reactions The electron transport chains of the light reactions. B) H+ . Where is chlorophyll found in a plant cell? 26) Why are most plants green? stroma. During what phase of meiosis does recombination occur? form carbon dioxide. E) All photosynthetic pigments are colored green. . 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). See answer Advertisement amrendrachoubay456 Answer: C) occurs during the light reactions. A) Chlorophyll a reflects green light. H+ 2003-2023 Chegg Inc. All rights reserved. absorb more CO2 than the plants under the green light. c) oxygen. Change all absorbents, not just one canister in a two-canister system. Which of the following statements about water balance disorders is scientifically accurate? D) mitochondria; chloroplasts D) anaerobic metabolism. b) plants produce oxygen gas by splitting CO2. Produces O2: L Which part of the ATP molecule breaks free of the rest when an ATP molecule is used for energy? . C) is done by the Calvin cycle. You've added an indicator to each solution. According to this figure, how do H+ ions make their way from the stroma to the thylakoid interior? B) C5H12O6 + 6 O2 + sunlight 5 CO2 + 6 H2O. d) be inside a mitochondrion. Plant roots and leaves absorb water, which reacts with carbon dioxide using energy from light as the catalyst. Carbon dioxide is particularly influential in regulating pH. D) the same as the equation for glycolysis written in reverse. You can specify conditions of storing and accessing cookies in your browser.