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form carbon dioxide. Carbon dioxide initially combines with RuBP, and RuBP is regenerated to continue the Calvin cycle. . a) The light reactions occur in the thylakoid membranes, while the Calvin cycle occurs in the stroma. B CO2 is needed to produce sugars in the Calvin cycle . A) Photosynthesis involves only reductions, while respiration involves only oxidations. B) Chlorophyll a absorbs green light. e) RuP. it accepts electrons to the electron transport chain. b) Chlorophyll a is found in photosystem I and chlorophyll b in photosystem II. Which figure depicts an animal cell placed in a solution hypotonic to the cell? D) absorb more CO2 than the plants under the green light. Occurs in a plant cell: L, G, ETC, CC, CAC Formation of waste products in the form of O2. Although the reactions of the Calvin cycle are not directly dependent on light, they usually do not occur at night. B) They allow the plant to fix carbon more efficiently under conditions of low atmospheric CO2. Photosynthesis and cellular respiration both contain electron transport chains.This answer is correct. b) electrons from water and energy from ATP. Change all absorbents, not just one canister in a two-canister system. D) four, 64) Which of the following has been a major source of ozone destruction over the past 50 years? C) is a source of oxygen for cellular respiration. hair color. c) electrons from carbon dioxide and energy from sunlight. A) quantum. D) chlorophyll, 14) If you expose a photosynthesizing plant to water that contains both radioactive H and radioactive O, 2Carbon dioxide absorption is an appropriate indicator of photosynthesis because A the energy in CO2 is used to produce ATP and NADPH. B) absorb the same amount of CO2 as the plants under both the green light and normal sunlight. Which of the following statements about the absorption of photons by pigment molecules is true? chemical How do the reaction centers of photosystem I and II differ? 51) To produce one glucose, the Calvin cycle needs to be run through ________ time(s). c) the Calvin cycle. A) H and O both in glucose B) H in glucose; O in water C) H in water; O in glucose D) H in glucose and water; O in O2 E) H in glucose and water; O in water and O2, Which of the following statements concerning the role of redox reactions in photosynthesis and cellular respiration is true? The ATP and NADPH produced during the light reactions are necessary to provide energy and high-energy electrons for the Calvin cycle. In photosynthesis, the chemiosmotic production of ATP A) requires oxygen. B) are products of the Calvin cycle. What is the role of NADP+ in photosynthesis? H+ Carbon dioxide absorption is an appropriate indicator of photosynthesis because See answer Advertisement AsiaWoerner The process of formation of sugar or carbohydrate by plants is known as photosynthesis. D) Photosynthesis produces O2; respiration produces CO2. C) have mitochondria but do not have chloroplasts. This site is using cookies under cookie policy . B) The greenhouse effect is exacerbated by the use of fossil fuels. 46) The chloroplast ATP synthase Mitochondria differ from chloroplasts in that mitochondria. . 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 A) blue A) stroma The concentration of CO2 will decrease as plants use the energy in CO2 to produce ATP energy that cells use to make sugars. B) a fuel for photosynthesis. What is the likely origin of chloroplasts? E) Burning wood contributes more to acid rain than burning fossil fuels. containers are observed for a 24-hour period. photosynthesis Flashcards | Quizlet D) The greenhouse effect will decrease the average temperature of the planet. . b) chemiosmosis can occur across the thylakoid membrane. A) mitochondria. 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. . CO2is needed to produce sugars in the Calvin cycle. D) methane. 63) Ozone consists of ________ oxygen atom(s). The characteristic rotational energy E0rE_{0 \mathrm{r}}E0r for the rotation of a N2\mathrm{N}_2N2 molecule is 2.48104eV2.48 \times 10^{-4} \mathrm{eV}2.48104eV. 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. b) 6 CO2 glucose. The containers are observed for a 24-hour period. Which is hotter-a red star or a blue star? . Light reactions are located in the thylakoid membrane because _____. B) Photosynthesis involves only oxidations, while respiration involves only reductions. Tube within cochlea containing spiral organ and endolymph. B) H+ . rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease and vice The At some point, another. Small aquatic plants are placed into three containers of water mixed with carbon dioxide. 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. (a) When cooled, the densities of most objects (1) increase, (2) decrease, (3) stay the same. FADH2 shuttles electrons to the electron transport chain: CAC B) is of benefit to the plant since it breaks down rubisco. light . DOC Chapter 7 D) requires the input of NADPH. chlorophyll a? d) When light energy is not available, plants can derive energy from inorganic molecules. D) of little concern, since it is part of the normal cycle for the planet. 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. c) oxygen. C) is a source of oxygen for cellular respiration. 23) Carbon fixation 58) Plant cells absorption of carbon dioxide as an indicator of the rate of photosynthesis in aquatic ecosystems. the energy in CO 2 is used to produce ATP and NADPH. d) forms part of photosystem II. A) an antenna. E) The greenhouse effect has no direct relationship with the Industrial Revolution of the 1800s. D) are used in the electron transport chain to pump H+ into the thylakoid space. D) produces glucose. semi-tropicald. Explain. The chloroplast ATP synthase A) is a nucleic acid complex. How can the cell move sodiumout ofthe cell? They record their results and display them on a graph as shown. Carbon dioxide absorption is an appropriate indicator of photosynthesis After the process is complete, photosynthesis releases oxygen and produces carbohydrate molecules, most commonly glucose. Container A is placed under normal sunlight, B under green light, and C under red light. B) are found at the reaction center. 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. . A) CO2. A) H and O both in glucose 55) What is the main adaptive advantage of the C4 and CAM photosynthesis strategies over the C3 Which of the following are produced during the Calvin cycle? B) Photosynthesis is ultimately powered by light energy and respiration by the chemical energy of fuel molecules. What do CR and photosynthesis have in common? She then systematically changed the distance from the beaker to the lamp. A) Plants require carbon dioxide, water, and sunlight to make glucose. C) The greenhouse effect will decrease the average temperature of the planet. C) shuttle electrons along in a series of redox reactions. B) are very different from those of cellular respiration. Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator solution. 35) How do the reaction centers of photosystem I and II differ? C) the top of the electron transport chain. C) H2O. Carbon dioxide absorption is an appropriate indicator of photosynthesis because A) CO2 is needed to produce sugars in the Calvin cycle. For every six molecules of G3P produced, 3 CO2 enter the cycle. E) NADPH. Because the Calvin cycle requires CO2 to produce sugars, carbon dioxide absorption is an appropriate indicator of photosynthesis. CO2 enters and O2 escapes from a leaf via. 3) Which of the following is an example of a photoautotroph? Which of the following statements regarding photosynthesis is false? C) C6H12O6 + 6 O2 + sunlight 6 CO2 + 6 H2O. Occurs in the chloroplast: CC, L b) cytoplasm . In addition, glyceraldehyde-3-phosphate (G3P), a three-carbon molecule, is shunted off the cycle for glucose synthesis. a) ATP. light B) is broken down by carbon dioxide. D) found throughout the leaf tissue. Destroying the H+ gradient that allows ATP synthase to work. It is acidic, and its concentration is in continual flux as a result of its utilization by aquatic plants in photosynthesis and release in respiration of aquatic organisms. b) a fuel for photosynthesis. 2. CO2 provides the carbon atoms that are incorporated into sugars in photosynthesis. D) the top of the electron transport chain. D) levels in the atmosphere have been steadily increasing in the past century. The containers are observed for a 24-hour period. Solved Saved Question 1 (2 points) You're conducting an | Chegg.com B) photorespiration. The energy that excites P680 and P700 is supplied by A) electrons passing down the electron transport chain. Since the Earth's atmosphere formed, it seems to have always contained carbon dioxide in varying amounts. What provides electrons for the light reactions? because the light independent reaction decreases when there is less light Which plant should grow better? . 59) Global warming due to the greenhouse effect may be 62) Ozone 47) In photosynthesis, the chemiosmotic production of ATP The containers are observed for a 24-hour period. Which of the following statements about water balance disorders is scientifically accurate? If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease and vice versa. pyruvate . Guard cells. b) photon. hot, dr C) a starting material for the Calvin cycle. a) electromagnetic CO2 provides the carbon atoms that are incorporated into sugars in photosynthesis. . D) CO2isneeded tocomplete the light reactions. The electrons lost from the reaction center of photosystem II are replaced by electrons from absorption of carbon dioxide as an indicator of the rate of photosynthesis in aquatic ecosystems. b) NADH. c. External acoustic meatus 26) Why are most plants green? D) the energy in CO 2 is used to produce ATP and NADPH. Compare Earth to Mars and list three similarities. Biology 1408 - Exam 3 - Chapter 7, 8, 9 Flashcards | Quizlet This is the initial step of a complex process leading to the formation of sugars. C) regeneration of NADP+ What are by-products of cellular respiration? A) inner membrane; outer membrane Container A is placed under normal sunlight, B under green light, and C under red light. | : : O " ) " e 0 . Males: In the 7 th weekof development, the SRY gene on the Y chromosome activates anumber of genes, and the gonads develop as testes. D) the energy in CO2 is used to produce ATP and NADPH. Kaleigh UTK Biology Chapt 7 Photosynthesis Practice Test - Quizlet A) CO2 is needed to produce sugars in the Calvin cycle. When the carbon dioxide concentration decreases, the If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease, and vice versa. A) photosynthetic prokaryotes that lived inside eukaryotic cells. the interval (,)(-\infty, \infty)(,). d) photosystem I. D) carbon dioxide. Youre conducting an experiment to determine the effect of different (One G3P leaves the cycle as an output. C) Photosystem I functions first in the sequence of steps that make up the light reactions. How many turns of the Calvin cycle are required to produce one molecule of glucose? B) donation of excited electrons by chlorophyll b to a primary electron acceptor . C) photon. D) chemiosmosis. 39) The electron transport chains of the light reactions c) absorbs light energy. d. the energy in CO2 is used to produce ATP and NADPH. In recent decades, the CO 2 fertilizer (such as AGROSOL, a carbon dioxide gas fertilizer) was applied to promote field condition (open space). After reading the paragraph, answer the question(s) that follow. B) Photons raise electrons in pigments to the ground state. A) electrons . Which of the following equations represents photosynthesis? a fuel for cellular respiration and a starting material for making other organic molecules. The containers are observed for a 24-hour period. C) have mitochondria but do not have chloroplasts. pH, Carbon Dioxide, and Alkalinity | SpringerLink a) NADH respiration in that 62) The greenhouse effect is A) reduced by photosynthesis, which removes carbon dioxide from the atmosphere. Improve Plant Photosynthesis by a New Slow-Release Carbon Dioxide Gas , Why are there less air bubbles as the plant is place further away from the light source D) H in glucose and water; O in O2. You call to ask the boy his mass, and he replies "50 kg." color of the indicator solution also changes. Plant leaves are also able to absorb and release water through the stomata. C) NADP+ is reduced to NADPH. D) Green helps plants blend into their environment as a sort of camouflage. 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. C) Photosystem I functions first in the sequence of steps that make up the light reactions. 3 minutes ==\quad= seconds a) heat. c) Photosystem II does not transfer electrons from photons. In developed countries, CO 2 was first applied to cucumbers, tomatoes, and salads (western-style mixed vegetables) in greenhouse (enclosed space). Increasing the distance from the light source decreased the rate of photosynthesis. 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. 30) Plant cells are protected from the harmful effects of reactive oxidative molecules by 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 primary function of light absorption by photosystems I and II is to produce _____. color of the indicator solution also changes. . These sugar molecules contain the energy that living things need to survive. b) orange, red, and violet. What important fact does this argument ignore? D) ATP. 27) Which of the following colors contributes the least energy to photosynthesis? B) shuttle electrons along in a series of redox reactions. Carbon exchange with the atmosphere mostly happens through photosynthesis and respiration. Container A is placed under normal sunlight, B under green light, and C under red light. B) a starting material for the Calvin cycle. c) have photosynthetic pigments. Involves the splitting of glucose: G B) ATP. because photosynthesis decreases as a plant is moved further away from a light source Carbon dioxide absorption is an appropriate indicator of photosynthesis Produces molecules of NADPH: L The ultimate source of all the food we eat and the oxygen we breathe is. C) CO2isneeded toproduce sugars intheCalvin cycle. C) Chlorophyll b primarily uses green light as the source of energy for photosynthesis. If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease and vice versa. > >U bjbj 7 L T 8 $ , , ? c) phaser. c) potential. d) fluorescence. Photosynthesis - National Geographic Society What is the role of oxygen in cellular respiration? stroma. D) the energy in CO2 is used to produce ATP and NADPH. A) It takes several minutes for the pigment electrons to become excited. d) 3 CO2 a three-carbon molecule. D) Most of the food humans eat can be traced back to photosynthetic plants. A) NADPH is reduced to NADP+. grana . C) concentrated in a zone of leaf tissue called the mesophyll. A) ATP is not produced during photosynthesis, but only during cellular respiration. A) 6 CO2 + 6 H2O + sunlight C6H12O6 + 6 O2. C) cytoplasm . 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 . . 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? They get their name, in part, because they use H2S (hydrogen sulfide) instead of water during the light reactions. D) Photosynthesis produces O2; respiration produces CO2. D) ATP. 50) ATP and NADPH The light reactions of photosynthesis include _____. When chloroplast pigments absorb light, their electrons become excited. Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator A) chlorofluorocarbons C) carbon dioxide. Why does the relationship between metabolic rate and temperature exist? photosynthetic prokaryotes that lived inside eukaryotic cells, Photophosphorylation during photosynthesis differs from oxidative phosphorylation during cellular respiration in that. You've added an indicator to each solution. The electron transport chains of the light reactions. E) produces ATP. b. When does synapsis and crossing-over occur in meiosis? B) CO2 is needed to complete the light reactions. c) ATP. You're conducting an experiment to determine the effect of different You're conducting an experiment to determine the effect of different wavelengths of light on the . 5.1: Overview of Photosynthesis - Concepts of Biology - 1st Canadian C) bacteria in our mouth. occurs when carbon atoms from CO2 are incorporated into an organic molecule. . D) the same as the equation for glycolysis written in reverse. D) formation of waste products in the form of O2, 22) Which of the following are produced during the Calvin cycle? Photoautotrophs A) make sugar by using organic raw materials. B) Each preferentially absorbs slightly different wavelengths of light. Plants use sugars as A) a fuel for photophosphorylation. Carbon dioxide is particularly influential in regulating pH. A) water. What provides the carbon atoms that are incorporated into sugar molecules in the Calvin cycle? Why? C) Most of the biomass of the cut trees would be added to the atmosphere as CO2 within a few years. Plant cells A) lack mitochondria and chloroplasts. He placed a stopper on each test tube and placed them all in the dark for 24 hours. What is the main adaptive advantage of the C4 and CAM photosynthesis strategies over the C3 strategy? solution. a) helps transport H+ against the concentration gradient. true or false: organisms on earth are currently classified first as either plant or animal. C) is attributable to high CO2 levels. Some stages may have more than one characteristic or share characteristics. produce organic molecules from inorganic molecules. . 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. The containers are observed for a 24-hour period. D) ATP, NADPH, O2, 21) Which of the following is part of the light reaction? c) are found in the roots of plants. b) glucose, ADP, NADP+, CO2. Bio chapter 7, test 6.7 Flashcards | Quizlet the number of chloroplasts in the cell decreases as the temperature increases, the rate of oxygen production is greatest in section m. Which of the following activities happens within the stroma? A) power sugar synthesis during the Calvin cycle. Plants use sugars as : Occurs in the mitochondria: CAC, ETC Changing the enzyme's three-dimensional shape. B) energy is stored in the form of a proton concentration difference. Plants gather the sun's energy with light-absorbing pigments called, The oxygen released into the air as a product of photosynthesis comes from. In fact, the jump of 2.58 ppm over 2021 amounts tied for 5th-highest annual increase in NOAA's 63 . a. Bony labyrinth the Calvin cycle depends on products of the light reactions. . Stores energy in a form that can drive cellular work. Plants absorb more CO2 than we thought, but Exam 2 Flashcards | Chegg.com B) H in glucose; O in water c) Carbon dioxide (CO2) The Calvin cycle constructs ________, an energy-rich molecule that a plant cell can then use to make glucose or other organic molecules. What is the source of energy that provides the boost for electrons during photosynthesis? Column A . How many "turns" of the Calvin Cycle are required to produce 1 molecule of glucose? NADPH is an electron carrier that picks up electrons in the light reactions and releases them in the Calvin cycle. The sodium concentration in a cell is 10 times less than the concentration in the surrounding fluid. Does the distribution shown in the figure seem reasonable? e. Membranous labyrinth Brainscape helps you realize your greatest personal and professional ambitions through strong habits and hyper-efficient studying. B) chlorophyll. Which of the following is part of the light reaction? B) CO 2 is needed to complete the light reactions. D) mushrooms . They help the plant conserve water and synthesize glucose efficiently under hot, dry conditions. C) In photosynthesis, carbon dioxide is oxidized to form sugar, while in respiration, sugar is reduced to form carbon dioxide. B) ATP A) is best at absorbing the energy of green light. A) absorb no CO2. A) The greenhouse effect is reduced by deforestation. Plants appear green as they absorb these colors and reflect mostly green light. Think carefully about the fission process. C) are inputs to the photosystems. 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. b) is a nucleic acid complex. B) transports H+ ions from the stroma to the thylakoid space. C) O2 5. Convert: b) a free, energized electron. . D) The release of energy by the excited electron can be as heat, light, or fluorescence. D) In photosynthesis, carbon dioxide is reduced to form sugar, while in respiration, sugar is oxidized to B) stroma . A) two two? (SELECT ALL THAT APPLY.). A) They help the plant conserve water and synthesize glucose efficiently under hot, dry conditions. D) absorption of photons by carotenoids. A) stroma . C) They allow the plant to fix carbon more efficiently in dim or cool conditions. C) absorb the same amount of CO2 as the plants under the green light. 7) ________ cells in leaves are specialized for photosynthesis. We do not see the absorbed wavelengths, only those that are reflected. c) CO2 is needed to produce sugars in the Calvin cycle. D) cristae. 45) In photophosphorylation, energy from electron flow is used to transport ________ from the f1(x)=x,f2(x)=x2,f3(x)=4x3x2. d) electrons from water and energy from sunlight. a) ADP, NADP+, O2. d) reduction of NADP+. The concentration of CO2 will decrease as plants use it to energizes electrons in the electron transport system. E) The release of energy by the excited electron can be as heat, light, or fluorescence. 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.

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