What transports electrons from the light reactions to the Calvin Cycle? C) the top of the electron transport chain. C) plants produce oxygen gas by splitting CO2. A) Chlorophyll a is found in photosystem I and chlorophyll b in photosystem II. NADH The light reactions of photosynthesis use _____ and produce _____. The C) The greenhouse effect is inversely related to increasing levels of atmospheric CO2. Youre conducting an experiment to determine the effect of different Improve Plant Photosynthesis by a New Slow-Release Carbon Dioxide Gas c) green. Occurs in an animal cell: G, CAC, ETC b) plants produce oxygen gas by splitting CO2. C) glycolysis. A) Forests play too minor a role in global CO2 dynamics, which are affected far more by marine algae. Plants absorb carbon dioxide from the air, combine it with water and light, and make carbohydrates the process known as photosynthesis. Changing the enzyme's three-dimensional shape. Fatty Acids enter: CAC, John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine, David N. Shier, Jackie L. Butler, Ricki Lewis. Involves the splitting of glucose: G Based on your knowledge of the process of photosynthesis, the plant in the container placed under red light would probably. NADPH B) are found in the roots of plants. b. A by-product of cellular respiration is heat. D) photosystem I. in which of the products of photosynthesis will the radioactive H and O show up? After reading the paragraph, answer the question(s) that follow. D) They make it possible for the plant to use the Calvin cycle at night. b) The Calvin cycle depends on products of the light reactions. C) The greenhouse effect will decrease the average temperature of the planet. c) have photosynthetic pigments. a) CO2 is needed to complete the light reactions. D) Only photosystem I is found in the thylakoid membranes. If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease and vice versa. 32) Which of the following statements about the absorption of photons by pigment molecules is true? water . Carbon dioxide is particularly influential in regulating pH. Increasing the distance from the light source decreased the rate of photosynthesis. He can barely keep it moving, and his feet occasionally slip. Which of the following are produced during the Calvin cycle? Purple sulfur bacteria are organisms capable of photosynthesis. Turn off all gas flow when the machine is not in use. D) Photosynthesis produces O2; respiration produces CO2. 45) In photophosphorylation, energy from electron flow is used to transport ________ from the The containers are observed for a 24-hour period. E) The principal electron carrier in photosynthesis is NADPH; the principal electron carrier in respiration is NADH. 17) What is the source of energy that provides the boost for electrons during photosynthesis? Which part of the ATP molecule breaks free of the rest when an ATP molecule is used for energy? B) transports H+ ions from the stroma to the thylakoid space. A packet of light energy is called a What type of gas would you expect to find in these bubbles? B) Photosynthesis is ultimately powered by light energy and respiration by the chemical energy of fuel molecules. cyanobacteria in freshwater and marine ecosystems, Autotrophs that utilize light as their energy source are. Sunlight is a type of ________ energy. D) food . d) 3 CO2 a three-carbon molecule. Photosynthesis - BBC Bitesize The full range of electromagnetic energy is called the ________ spectrum. c. External acoustic meatus What is the likely origin of chloroplasts? B) carbon dioxide. Photosynthesis and cellular respiration both contain electron transport chains.This answer is correct. C) eat other organisms that use light energy to make food molecules. ATP is not produced during photosynthesis, but only during cellular respiration. Small aquatic plants are placed into three containers of water mixed with carbon dioxide. If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease and vice versa. 8) CO2 enters and O2 escapes from a leaf via, 9) In the chloroplast, sugars are made in a compartment that is filled with a thick fluid called the, 10) Chloroplasts contain disklike membranous sacs arranged in stacks called, 11) Where is chlorophyll found in a plant cell? Photosynthesis occurs in chloroplasts and cellular respiration occurs in mitochondria.This answer is correct. Carbon dioxide absorption is an appropriate indicator of photosynthesis because CO2 is needed to produce sugars in the Calvin cycle. 48) Mitochondria transfer ________ energy from ________ to ATP; chloroplasts transform ________ c) oxygen. D) nuclear, 25) The full range of electromagnetic energy is called the ________ spectrum. . Elevated atmospheric carbon dioxide concentration (elevated CO 2) is a major component of climate change. 62) The greenhouse effect is A) reduced by photosynthesis, which removes carbon dioxide from the atmosphere. B) chlorophyll. B) They allow the plant to fix carbon more efficiently under conditions of low atmospheric CO2. A) quantum. b) nuclear. D) have mitochondria and chloroplasts. C) are located on the inner membrane of the chloroplast. D) protects Earth from UV radiation. How many "turns" of the Calvin Cycle are required to produce 1 molecule of glucose? 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. 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. They help the plant conserve water and synthesize glucose efficiently under hot, dry conditions. Compare Earth to Mars and list three similarities. C) does not have a reaction center. cool, moistc. C) passes absorbed energy to chlorophyll a. When does synapsis and crossing-over occur in meiosis? c) ATP. C) couples the flow of H+ to the phosphorylation of NADP+. d) couples the flow of H+ to the phosphorylation of ADP. Chapter 7 complied questions Flashcards | Quizlet d) forms part of photosystem II. . For every six molecules of G3P produced, 3 CO2 enter the cycle. . D) requires the input of NADPH. c) NADPH 24) Sunlight is a type of ________ energy. C) a starting material for the Calvin cycle. The containers are observed for a 24-hour period. C) cytoplasm D) The release of energy by the excited electron can be as heat, light, or fluorescence. What is the main adaptive advantage of the C4 and CAM photosynthesis strategies over the C3 strategy? 35) How do the reaction centers of photosystem I and II differ? through an electron transport chain molecule, Global warming due to the greenhouse effect may be. B) glucose, ADP, NADP+, CO2 What transports electrons from the light reactions to the Calvin cycle? B) made worse by photosynthesis, which adds carbon dioxide to the atmosphere. Greenhouse Gases Which of the following colors contributes the least energy to photosynthesis? During the growing season leaves take up carbon dioxide. f. Pharyngotympanic (auditory) tube CO2 enters and O2 escapes from a leaf via. If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease, and vice versa. e. Membranous labyrinth E) its enzymes are membrane-bound, D) the final electron acceptor is NADP+ and not oxygen. ) Which of the following equations represents photosynthesis? E) The release of energy by the excited electron can be as heat, light, or fluorescence. B) passes electrons to photosystem I. 46) The chloroplast ATP synthase 2. D) formation of waste products in the form of O2, 22) Which of the following are produced during the Calvin cycle? Carbon dioxide absorption is an appropriate indicator of photosynthesis because A) CO2 is needed to produce sugars in the Calvin cycle. B) donation of excited electrons by chlorophyll b to a primary electron acceptor A student collected & tested the bubbles coming from the plant during this experiment. A) mitochondria that had a mutation for photosynthesis B) photosynthetic prokaryotes that lived inside eukaryotic cells C) a combination of mitochondria and Golgi bodies D) prokaryotes with photosynthetic mitochondria E) eukaryotes that engulfed photosynthetic fungi, B) photosynthetic prokaryotes that lived inside eukaryotic cells. C) cellular respiration B) produce organic molecules from inorganic molecules, Which of the following is an example of a photoautotroph? structure C According to this figure, how do H+ ions make their way from the stroma to the thylakoid interior? C) reduced by the burning of fossil fuels, which removes oxygen from the atmosphere. A) glucose, ADP, NADP+ B) made worse by photosynthesis, which adds carbon dioxide to the atmosphere. 64) 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. A) donation of excited electrons by chlorophyll a to a primary electron acceptor a) ATP, NADPH, CO2. Each preferentially absorbs slightly different wavelengths of light. A) glucose, ADP, NADP+ C) Most of the biomass of the cut trees would be added to the atmosphere as CO2 within a few years. The containers are observed for a 24-hour period. Bio chapter 7, test 6.7 Flashcards | Quizlet B) four (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). B) is best at absorbing the energy of blue-violet and red light, just like chlorophyll a. B) shuttle electrons along in a series of redox reactions. Does it seem peculiar that symmetric fission is not the most probable? Which of the following statements regarding photosynthesis is false? A) it involves an electron transport chain. 27) Which of the following colors contributes the least energy to photosynthesis? The concentration of CO2 will decrease as plants use it in the light-dependent reactions. . . c) have photosynthetic pigments. b. Cochlear duct d) Glucose (C6H12O6) D) Green helps plants blend into their environment as a sort of camouflage. 50) ATP and NADPH B) is of benefit to the plant since it breaks down rubisco. 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. 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? Why? Unlike cellar respiration, photosynthesis occurs in. C) reduced by the burning of fossil fuels, which removes oxygen from the atmosphere. Container A is placed under normal sunlight, B under green light, and C under red light. 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. e) reduction of CO2. D) Most of the food humans eat can be traced back to photosynthetic plants. C) provide energy for the citric acid cycle. Light reactions are located in the thylakoid membrane because _____. light would probably Match the following stages of cellular respiration and photosynthesis with the correct characteristics. . Normal human gametes carry ____ chromosomes. 43) Photosystem II B) electromagnetism Which of the following is a normal process of photosynthesis that could not occur if all reaction centers were inactivated by a toxin? It moves by diffusion through small holes in the underside of the leaf called stomata. C) Pigments only lose energy in the excitation process. C) is attributable to high CO2 levels. What connects the two photosystems in the light reactions? The ultimate source of all the food we eat and the oxygen we breathe is. C) ATP, NADPH, O2 e) Chlorophyll. b) orange, red, and violet. Container A is placed under normal sunlight, B under green light, and C under red light. The sodium concentration in a cell is 10 times less than the concentration in the surrounding fluid. . What do plants do with the sugar they produce in photosynthesis. B) food . stroma. A) Chlorophyll a reflects green light. D) provides the cell with a supply of NADPH molecules. Container A is placed under normal sunlight, B under green light, and C under red light. a) ADP, NADP+, O2. She then systematically changed the distance from the beaker to the lamp. She placed one beaker in the shade and the other beaker beside a fluorescent lamp. You're conducting an experiment to determine the effect of different 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. 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. Which of the following are produced during the Calvin cycle? D) carbon dioxide. 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. D) NADP+ is oxidized to NADPH. What is the purpose of test tube #1 that does not contain a plant? CO2 is needed to produce sugars in the Calvin cycle. 44) Photophosphorylation during photosynthesis differs from oxidative phosphorylation during cellular Container A is placed under normal sunlight, B under green light, and C under red light. CO2 is needed to produce sugars in the Calvin cycle. Hints You've added an indicator to each solution. ignore? absorb more CO2 than the plants under the green light. A) visible thylakoid membranes. . 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) is found in the stroma. how did scientists alter the gene for antithrombin so that it could be isolated from milk? D) produces glucose. A) lack mitochondria and chloroplasts. d) G3P. B) Photons raise electrons in pigments to the ground state. What are three factors that affect the rate of photosynthesis? a) a fuel for cellular respiration and a starting material for making other organic molecules. Expert Answer How might global climate change affect the aquifer? b) methane. B) ethylene glycol C) CO2isneeded toproduce sugars intheCalvin cycle. 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. absorption of carbon dioxide as an indicator of the rate of photosynthesis in aquatic ecosystems. D) ATP, NADPH, O2, 21) Which of the following is part of the light reaction? C) plants produce oxygen gas by splitting CO2. A centrifuge used to subject engineering components to high acceleration has a radius of 8m8 \mathrm{~m}8m. It starts from rest at t=0t=0t=0, and during its two-minute acceleration phase it is programmed so that its angular acceleration is given as a function of time in seconds by =0.1920.0016trad/s2\alpha=0.192-0.0016 t \mathrm{rad} / \mathrm{s}^2=0.1920.0016trad/s2. You see the boy next door trying to push a crate down the sidewalk. B CO2 is needed to produce sugars in the Calvin cycle. 60) Which of the following statements about the greenhouse effect is true? B) Photosynthesis involves only oxidations, while respiration involves only reductions. When chloroplast pigments absorb light, their electrons become excited. Which of the following statements regarding transport across a plasma membrane is false? What does not occur during the Calvin Cycle? The Calvin cycle constructs ________, an energy-rich molecule that a plant cell can then use to make glucose or other organic molecules. food . The photosystems absorb solar energy and pass that energy to the mitochondria. 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. a) forms NADPH to be used in the Calvin cycle. a) quantum. B) Young trees fix carbon at a lower rate per unit mass than old trees. a) function in energy transformation. . A) They help the plant conserve water and synthesize glucose efficiently under hot, dry conditions. D) a source of electrons for chemiosmosis. If the 4. cellular respiration and photosynthesis pract, Biology | Unit 2 Review | Classification, Evo, 5. organisaiton: plant organisation: Transpir, Michelle Provost-Craig, Susan J. because photosynthesis decreases as a plant is moved further away from a light source As a result of the cascade of electrons down the electron transport chains of the light reactions. In general, the Calvin cycle's primary function is to produce organic products required by plants by utilizing the products of photosynthesis's light reactions ( ATP and NADPH ). 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. A) electrons . > >U bjbj 7 L T 8 $ , , ? . E) Burning wood contributes more to acid rain than burning fossil fuels. Chapter 7 cramming Flashcards | Quizlet A) electrons passing down the electron transport chain. 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. If you shut off the system and pressure was no longer applied to tank A, you would expect d. 1,000 minutes === hours. 5. Produces ATP: L, G, ET , CAC B) the breaking of glucose bonds. 5.1: Overview of Photosynthesis - Concepts of Biology - 1st Canadian C) are inputs to the photosystems. Plants perform both photosynthesis and cellular respiration. c) electrons from carbon dioxide and energy from sunlight. D) carbon dioxide. What is the likely origin of chloroplasts? a. Bony labyrinth When the carbon dioxide concentration decreases, the color of the indicator solution also changes. A) Photosynthesis involves only reductions, while respiration involves only oxidations. . B) H+ . B) The greenhouse effect is exacerbated by the use of fossil fuels. e) RuP. D) ATP. , Why are there less air bubbles as the plant is place further away from the light source A) cyanobacteria in freshwater and marine ecosystems. The concentration of CO2 will decrease as plants use the energy in CO2 to produce ATP energy that cells use to make sugars. a) electromagnetic B) ATP. 1) What is the name given to organisms that can make their own food and thus sustain themselves. A) Chlorophyll a is found in photosystem I and chlorophyll b in photosystem II. Which of the following are produced during the light reactions of photosynthesis? A) It takes several minutes for the pigment electrons to become excited. C) carbon dioxide A) NADPH is reduced to NADP+. Which of the following colors contributes the least energy to photosynthesis? A) occurs when carbon atoms from CO2 are incorporated into an organic molecule. Clusters of light-gathering pigments in a photosystem b) glucose, ADP, NADP+, CO2. 31) A packet of light energy is called a B) photorespiration. b) NADH. . Passive transport requires an input of energy from the cell. A) ATP is not produced during photosynthesis, but only during cellular respiration. Carbon dioxide absorption is an appropriate indicator of photosynthesis because CO2 is needed to produce sugars in the Calvin cycle. a. E) of little concern, since it is part of the normal cycle for the planet. a) Sucrose (C12H22O11) D) aerobic respiration. because the light independent reaction decreases when there is less light g. Scala tympani You start to wonder how heavy the crate is. 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? B) Each preferentially absorbs slightly different wavelengths of light. ) Carbon dioxide absorption is an appropriate indicator of photosynthesis because Involves lights: L d) stroma . You're conducting an experiment A) chlorofluorocarbons . A) water. form carbon dioxide. During what phase of meiosis does recombination occur? C) photons. Absorb more CO2than the plants under the green light. 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). When the carbon dioxide concentration decreases, the She then systematically changed the distance from the beaker to the lamp. D) pass absorbed energy to chlorophyll a. c) is found in the stroma. Cellular respiration: for glycolysis, put G; for citric acid cycle, put CAC; and for electron transport chain, put ETC.Photosynthesis: for light reactions, put L; and for Calvin Cycle CC. The containers are observed for a 24-hour period. ________ to the thylakoid compartment, generating a concentration gradient of ________. C plants produce oxygen gas by splitting CO2. E) thylakoids; stroma A) chemical . 63) Ozone consists of ________ oxygen atom(s). C) Photosynthesis consumes CO2; respiration consumes O2. . states that allele pairs separate or segregate during gamete formation, and randomly unite at fertilization, the inheritance of one character has no effect on the inheritance of another, Is hydrolyzed to ADP, loses a third phosphate group. Which of the following graphs represents the effect of increasing light intensity on the rate of photosynthesis? b) a free, energized electron. Container A is placed under normal sunlight, B under green light, and C under red light. d) pigment. l. Tympanic membrane (eardrum) Which is hotter-a red star or a blue star? A) ATP is not produced during photosynthesis, but only during respiration. 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. After reading the paragraph below answer the questions that follow C) absorption of photons by chlorophyll b 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) Photosystem I functions first in the sequence of steps that make up the light reactions. The stomata open to absorb the carbon dioxide needed to perform photosynthesis. The Calvin cycle constructs ________, an energy-rich molecule that a plant cell can then use to make glucose or other organic molecules. A) CO2 is needed to produce sugars in the Calvin cycle. C) a source of electrons for chemiosmosis. Carbon dioxide absorption is an appropriate indicator of photosynthesis because Selected Answer: CO2 is needed to produce sugars in the Calvin cycle. 51) To produce one glucose, the Calvin cycle needs to be run through ________ time(s). the wavelength increases as a plant is placed further away from a light source. Which plant should grow better? A fuel for cellular respiration and a starting material for making other organic molecules. Because plants can make more organic material each day than they need to use as respiratory fuel and precursors for biosynthesis, they stockpile the extra sugar as starch, storing some in chloroplasts, as well as in roots, tubers, seeds, and fruits. 1) The summary equation for photosynthesis is A) 6 CO2 + 6 H2O + sunlight C6H12O6 + 6 O2. Amino Acids enter: G, CAC E) Burning wood contributes more to acid rain than burning fossil fuels. Correct Answer: CO2 is needed to produce sugars in the Calvin cycle. b) The Calvin cycle depends on products of the light reactions. a) they become reduced. Carbon dioxide absorption is an appropriate indicator of photosynthesis Mitochondria transfer ________ energy from ________ to ATP; chloroplasts transform ________ energy into the chemical energy of ATP. j. Tectorial membrane 3. 3 minutes ==\quad= seconds c) CO2 is needed to produce sugars in the Calvin cycle. This drives the reactions to form ATP and NADPH. D) H in glucose and water; O in O2. A) The greenhouse effect is reduced by deforestation. 39) The electron transport chains of the light reactions B) H2O. Plant leaves are also able to absorb and release water through the stomata. C) carotenoids. During photosynthesis, plants take in carbon dioxide (CO2) and water (H2O) from the air and soil. . B) The greenhouse effect is exacerbated by the use of fossil fuels. d) reduction of NADP+. Change the absorbent regularly, on Monday morning for instance. Light energy is required to drive the transfer of the electrons to NADP+. nucleus. This site is using cookies under cookie policy . . A) pass energy to the reaction center. 54) Photorespiration 8) In most green plants, chloroplasts are A) concentrated in a zone of leaf tissue called the mesophyll. The electron transport chains of the light reactions. After reading the paragraph, answer the question(s) that follow. C) Most of the biomass of the cut trees would be added to the atmosphere as CO2 within a few years. kinetic B) is analogous to the production of ATP in mitochondria. Exam 2 Flashcards | Chegg.com At t=120st=120 \mathrm{~s}t=120s, what is the magnitude of the acceleration a component is subjected to? C) In photosynthesis, carbon dioxide is oxidized to form sugar, while in respiration, sugar is reduced to form carbon dioxide. color of the indicator solution also changes. D) a spring. d) 3 CO2 a three-carbon molecule Which of the following statements regarding photosynthesis and cellular respiration are true? 2) Carbon dioxide absorption is an appropriate indicator of photosynthesis because C) ATP. If the concentration of carbon dioxide is increased, the rate of photosynthesis will therefore increase. chemical Plant roots and leaves absorb water, which reacts with carbon dioxide using energy from light as the catalyst. 5) What is the likely origin of chloroplasts? Plants, on the other hand, are experts at capturing light energy and using it to make sugars through a process called photosynthesis. 61) It has been argued that cutting old-growth forests and replacing them with plantations of young trees B) Chlorophyll a absorbs green light. Two turns You are surprised to find that it is still alive when you return. A) reduced by photosynthesis, which removes carbon dioxide from the atmosphere. A) They help the plant conserve water and synthesize glucose efficiently under hot, dry conditions. D) mushrooms . C) H+ . 55) What is the main adaptive advantage of the C4 and CAM photosynthesis strategies over the C3 If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease and vice versa.