The driving force behind electron transport chain is ____________. Which is hotter-a red star or a blue star? A) Chlorophyll a reflects green light. Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator solution. Glycolysis is the only stage of cellular respiration that requires _______ to make ______. He placed a stopper on each test tube and placed them all in the dark for 24 hours. C) absorb the same amount of CO2 as the plants under the green light. 30) Plant cells are protected from the harmful effects of reactive oxidative molecules by C) CO2isneeded toproduce sugars intheCalvin cycle. Chapter 7.pdf - Chapter 7 Photosynthesis: Using Light to The concentration of CO2 will decrease as plants use it to energizes electrons in the electron transport system. D) green, 28) Of the following wavelengths of light, which would you expect to be reflected or transmitted by Produces molecules of FADH2: CAC Water that is filtered out of the blood by the kidneys is returned to the body through the action of aquaporins. 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. A fuel for cellular respiration and a starting material for making other organic molecules. a) CO2 is needed to complete the light reactions. . DOC Chapter 7 C) is done by the Calvin cycle. Light energy is required to drive the transfer of the electrons to NADP+. B) electromagnetic What does not occur during the Calvin Cycle? D) Excitation of the electrons is a very stable state. She placed one beaker in the shade and the other beaker beside a fluorescent lamp. C) plants produce oxygen gas by splitting CO2. a) the enzymes involved require a lipid bound to their active site. C) The greenhouse effect is inversely related to increasing levels of atmospheric CO2. Figure 5.5 Photosynthesis uses solar energy, carbon dioxide, and water to release oxygen to produce energy-storing sugar molecules. A) formation is promoted by CFCs. b) methane. What is the source of energy that provides the boost for electrons during photosynthesis? . n the light reaction, clusters of chlorophyll a, chlorophyll b, and carotenoid pigments function most like. solution. A) photosynthetic prokaryotes that lived inside eukaryotic cells. c) Carbon dioxide (CO2) B) Photosynthesis is ultimately powered by light energy and respiration by the chemical energy of fuel What connects the two photosystems in the light reactions? d) An electron transport chain ________ to the thylakoid compartment, generating a concentration gradient of ________. A) stroma . B) a starting material for the Calvin cycle. A) electrons . After reading the paragraph, answer the question(s) that follow. See answer Advertisement amrendrachoubay456 Answer: D) photosystem I. C) provide energy for the citric acid cycle. solution. E) are found on the inner membrane of chloroplasts. Amino Acids enter: G, CAC C) is a source of oxygen for cellular respiration. C) couples the flow of H+ to the phosphorylation of NADP+. 1. C) O2 Carbon dioxide absorption is an appropriate indicator of photosynthesis because d. 1,000 minutes === hours. She counted the bubbles given off by the plants in each beaker. C) Most of the biomass of the cut trees would be added to the atmosphere as CO2 within a few years. A) is an evolutionary relic from when atmospheric O2 levels were low and did not interfere with rubisco. B) Photons raise electrons in pigments to the ground state. C) light . E) its enzymes are membrane-bound, D) the final electron acceptor is NADP+ and not oxygen. ) g. Scala tympani a) Even though the plant received no visible light, it was able to use the shortwave part of the electromagnetic spectrum (gamma rays and X-rays) to carry out photosynthesis. D) Most of the food humans eat can be traced back to photosynthetic plants. We do not see the absorbed wavelengths, only those that are reflected. C) cytoplasm . When the carbon dioxide concentration decreases, the Plant cells are protected from the harmful effects of reactive oxidative molecules by. D) absorption of photons by carotenoids. E) helps transport H+ against the concentration gradient. How Is Carbon Dioxide Absorbed During Photosynthesis? NADPH a) a fuel for cellular respiration and a starting material for making other organic molecules. Biology 1408 - Exam 3 - Chapter 7, 8, 9 Flashcards | Quizlet b) electrons from water and energy from ATP. The containers are observed for a 24-hour period. d) blue, green, and orange. b. Cochlear duct D) production is associated with events taking place on the inner mitochondrial membrane. c) phaser. thylakoid membrane. Container A is placed under normal sunlight, B under green light, and C under red light. B) energy is stored in the form of a proton concentration difference. A) It takes several minutes for the pigment electrons to become excited. A) Chlorophyll a is found in photosystem I and chlorophyll b in photosystem II. B) energy is stored in the form of a proton concentration difference. Container A is placed under normal sunlight, B under green light, and C under red light. C plants produce oxygen gas by splitting CO2. color of the indicator solution also changes. D) pass absorbed energy to chlorophyll a. NADH The light reactions of photosynthesis use _____ and produce _____. 18) Which of the following statements regarding photosynthesis is false? D) requires the input of NADPH. CO2 is needed to produce sugars in the Calvin cycle. Destroying the H+ gradient that allows ATP synthase to work. , Why are there less air bubbles as the plant is place further away from the light source c. 2 days ==\ldots= minutes Container A is placed under normal sunlight, B under green light, and C under red light. . If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease and vice versa. Which of the following statements regarding photosynthesis is false? A packet of light energy is called a 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. C) They allow the plant to fix carbon more efficiently in dim or cool conditions. H+ . C) Photosynthesis consumes CO2; respiration consumes O2. . C) occurs during the light reactions. Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator solution. The light reactions occur in the ________, while the Calvin cycle occurs in the ________. c) Even though it cannot carry out the light reactions, the plant can still produce sugars because the Calvin cycle does not require light. . If the The photosystems absorb solar energy and pass that energy to the mitochondria. The light reactions take place in the _________ and the Calvin cycle takes place in the _________. A) pass energy to the reaction center. NADP+ is required for photosynthesis because it _____. A) mitochondria. b) 6 CO2 glucose. 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. You've added an indicator to each solution. Carbon dioxide absorption is an appropriate indicator of photosynthesis because A) cellular respiration. Solved After reading the paragraph below, answer the | Chegg.com You are surprised to find that it is still alive when you return. . B) H+ . 35) How do the reaction centers of photosystem I and II differ? What happened to the energy that was stored in your gastank after your lawnmower comes to a stop as a resultof running out of gas? A) are located in the stroma. A) two albinism, -a lot of different genes influence 1 -ex. d) stroma . As a result of the cascade of electrons down the electron transport chains of the light reactions. a) Sucrose (C12H22O11) c. CO2 is needed to produce sugars in the Calvin cycle. What important fact does this argument Shown here is the graph of the data for the beaker she placed beside the lamp. When the carbon dioxide concentration decreases, the color of the indicator solution also changes. Turn off all gas flow when the machine is not in use. What can you conclude about how the distance from a light source relates to the rate of photosynthesis? how did scientists alter the gene for antithrombin so that it could be isolated from milk? Why? make glucose or other organic molecules. b) a fuel for photosynthesis. (SELECT ALL THAT APPLY.). E) a fuel for cellular respiration and a starting material for making other organic molecules. (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). A) an antenna. a) they become reduced. moderated by photosynthesis, which removes carbon dioxide from the atmosphere. NADPH is used to reduce carbon during the Calvin cycle. c) the membrane brings chlorophyll closer to the light. c. External acoustic meatus Cellular respiration and photosynthesis are similar in that both involve _____. 53) The addition of oxygen instead of carbon dioxide to RuBP results in The primary function of light absorption by photosystems I and II is to produce _____. Tube 2 will turn yellow as carbon dioxide is produced during cellular respiration. C) NADP+ is reduced to NADPH. a) NADH b) FADH2 c) NADPH B) glucose, ADP, NADP+, CO2 Biology 20 Exam 2 Review Flashcards | Quizlet . Does it seem peculiar that symmetric fission is not the most probable? C) have mitochondria but do not have chloroplasts. E) Burning wood contributes more to acid rain than burning fossil fuels. Container A is placed under normal sunlight, B under green light, and C under red light. B) ATP. d) G3P. 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. 50) ATP and NADPH C) orange B) C5H12O6 + 6 O2 + sunlight 5 CO2 + 6 H2O. A) power sugar synthesis during the Calvin cycle. You've added an indicator to each solution. What is the main adaptive advantage of the C4 and CAM photosynthesis strategies over the C3 strategy? Which of the following statements about the greenhouse effect is true? 2) Carbon dioxide absorption is an appropriate indicator of photosynthesis because . B) chlorophyll a Carbon dioxide is particularly influential in regulating pH. B) Photosynthesis involves only oxidations, while respiration involves only reductions. B) They allow the plant to fix carbon more efficiently under conditions of low atmospheric CO2. ; stomata. D) ATP. D) protects Earth from UV radiation. During photosynthesis, plants take in carbon dioxide (CO2) and water (H2O) from the air and soil. B) Photons raise electrons in pigments to the ground state. D) They make it possible for the plant to use the Calvin cycle at night. the interval (,)(-\infty, \infty)(,). e. Membranous labyrinth . D) anaerobic metabolism. d) couples the flow of H+ to the phosphorylation of ADP. . B) grizzly bears in Alaska. C) concentrated in a portion of the leaf called the stroma. For every six molecules of G3P produced, 3 CO2 enter the cycle. B) stroma . a) red. B) photorespiration. B) donation of excited electrons by chlorophyll b to a primary electron acceptor . You've added an indicator to each solution. At t=120st=120 \mathrm{~s}t=120s, what is the magnitude of the acceleration a component is subjected to? color of the indicator solution also changes. C) CO 2 is needed to produce sugars in the Calvin cycle. Which of the following are produced during the Calvin cycle? D) levels in the atmosphere have been steadily increasing in the past century. D) the final electron acceptor is NADP+ and not oxygen. Photosynthetic organisms derive their carbon from 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. A) CO2. A) quantum. 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) electromagnetic After reading the passage, carbon dioxide absorption is an appropriate indicator of photosynthesis because CO2 is needed to produce sugars in the Calvin cycle. E) The principal electron carrier in photosynthesis is NADPH; the principal electron carrier in respiration is NADH. B) Burning fossil fuels release carbon dioxide that was removed from the atmosphere millions of years ago. strategy? Plants use sugars as A) a fuel for photophosphorylation. . E) They allow the plant to avoid photorespiration by producing a four-carbon sugar in place of glucose. The electron transport chains of the light reactions. 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) the membrane functions as a mitochondrial membrane but at night. B) is broken down by carbon dioxide. Formation of waste products in the form of O2. 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. 2003-2023 Chegg Inc. All rights reserved. l. Tympanic membrane (eardrum) Based on this information, which part of cellular respiration would be stopped if arsenic were ingested? D) provides the cell with a supply of NADPH molecules. c) NADPH Photosynthesis - BBC Bitesize A) Photosynthesis involves only reductions, while respiration involves only oxidations. because the light independent reaction decreases when there is less light What is the likely origin of chloroplasts? d) reduction of NADP+. C) plants produce oxygen gas by splitting CO2. B) two a) heat. 6) In most green plants, chloroplasts are. Which of the following is a normal process of photosynthesis that could not occur if all reaction centers were inactivated by a toxin? They also open to release the oxygen produced by this process. A) NADPH is reduced to NADP+. Based on analysis from NOAA's Global Monitoring Lab, global average atmospheric carbon dioxide was 414.72 parts per million ("ppm" for short) in 2021, setting a new record high despite the continued economic drag from the COVID-19 pandemic. E) found throughout the plant. D) mitochondria; chloroplasts A) carbon fixation CO2is needed to produce sugars in the Calvin cycle. c) absorbs light energy. A student poured a solution of bromthymol blue indicator into three test tubes. D) Only photosystem I is found in the thylakoid membranes. You start to wonder how heavy the crate is. D) They make it possible for the plant to use the Calvin cycle at night. 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. C) regeneration of NADP+ E) thylakoids; stroma Which figure depicts an animal cell placed in a solution hypotonic to the cell? 1) Based on your knowledge of the process of photosynthesis, the plant in the container placed under red D) the top of the electron transport chain. C) shuttle electrons along in a series of redox reactions. d) couples the flow of H+ to the phosphorylation of ADP. C) Most of the biomass of the cut trees would be added to the atmosphere as CO2 within a few years. d) electromagnetism. The containers are observed for a 24-hour period. B) made worse by photosynthesis, which adds carbon dioxide to the atmosphere. D) include only the green plants. 49) Photosynthetic organisms derive their carbon from . . C) photon. 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. 51) To produce one glucose, the Calvin cycle needs to be run through ________ time(s). When chloroplast pigments absorb light, their electrons become excited. You call to ask the boy his mass, and he replies "50 kg." . D) the energy in CO2 is used to produce ATP and NADPH. 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. A) concentrated in a zone of leaf tissue called the mesophyll. Any substance that inhibits the transportation of oxygen from the lungs affects _____________. From your recent physics class you estimate that the static and kinetic coefficients of friction are 0.80.80.8 and 0.40.40.4 for the boy's shoes, and 0.50.50.5 and 0.20.20.2 for the crate. D) the energy in CO2 is used to produce ATP and NADPH. If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease, and vice versa. C) Most of the biomass of the cut trees would be added to the atmosphere as CO2 within a few years. D) H+ . It moves by diffusion through small holes in the underside of the leaf called stomata. CO2 is needed to produce sugars in the Calvin cycle. 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) The greenhouse effect is exacerbated by the use of fossil fuels. Mutation that introduces a different codon, resulting in a different amino acid. A) Plants require carbon dioxide, water, and sunlight to make glucose. c) green. . 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. 63) Which of the following statements about the greenhouse effect is true? Carbon Dioxide Absorbent - an overview | ScienceDirect Topics kinetic Carbon dioxide initially combines with RuBP, and RuBP is regenerated to continue the Calvin 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) glucose, ADP, NADP+ A) blue like d) 3 CO2 a three-carbon molecule In what form would you expect to find sulfur (S) as a result of photosynthesis in these bacteria? You see the boy next door trying to push a crate down the sidewalk. c) have photosynthetic pigments. D) Green helps plants blend into their environment as a sort of camouflage.