A) H and O both in glucose D) include only the green plants. Plant cells A) lack mitochondria and chloroplasts. chemical . 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? NADPH C) are inputs to the photosystems. After the process is complete, photosynthesis releases oxygen and produces carbohydrate molecules, most commonly glucose. Light reactions are located in the thylakoid membrane because _____. D) have mitochondria and chloroplasts. . B) food . chlorophyll a? C) CO 2 is needed to produce sugars in the Calvin cycle. B) lack mitochondria but have chloroplasts. 62) The greenhouse effect is A) reduced by photosynthesis, which removes carbon dioxide from the atmosphere. 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. In which of the following organelles does photosynthesis take place? Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator solution. d) a starting material for the Calvin cycle. A) stroma 62) Ozone 1) The summary equation for photosynthesis is A) 6 CO2 + 6 H2O + sunlight C6H12O6 + 6 O2. C) reduced by the burning of fossil fuels, which removes oxygen from the atmosphere. Estimate the mass of the crate. Which of the following equations represents photosynthesis? E) CO2 energizes electrons in the electron transport system C) O2 A packet of light energy is called a . CO2 is needed to produce sugars in the Calvin cycle. semi-tropicald. , t B) ATP. 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. D) eight, 52) The Calvin cycle constructs ________, an energy-rich molecule that a plant cell can then use to B) Photosynthesis is ultimately powered by light energy and respiration by the chemical energy of fuel molecules. like e. Membranous labyrinth CO2 enters and O2 escapes from a leaf via Arsenic is a poison that binds to a molecule needed to build acetyl CoA. A) carbon fixation E) The greenhouse effect has no direct relationship with the Industrial Revolution of the 1800s. What type of gas would you expect to find in these bubbles? C) concentrated in a zone of leaf tissue called the mesophyll. A) They help the plant conserve water and synthesize glucose efficiently under hot, dry conditions. D) photosystem I. d) Carbon dioxide concentrations decrease at night. through an electron transport chain molecule, Global warming due to the greenhouse effect may be. C) CO2isneeded toproduce sugars intheCalvin cycle. B) made worse by photosynthesis, which adds carbon dioxide to the atmosphere. Photorespiration A) is an evolutionary relic from when atmospheric O2 levels were low and did not interfere with rubisco. Tube within cochlea containing spiral organ and endolymph. Which of the following correctly identifies the structures labeled in Figure 8-2? B) Photosynthesis is ultimately powered by light energy and respiration by the chemical energy of fuel A) water. B) Photons raise electrons in pigments to the ground state. What has the plant been using for an energy source while in the dark? C) yellow ; thylakoids. B) carbon dioxide. Chlorophyll b and carotenoids A) are best at absorbing the energy of green light. D) is embedded in the inner membrane of the chloroplast. E) The release of energy by the excited electron can be as heat, light, or fluorescence. What transports electrons from the light reactions to the Calvin cycle? C) energy rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease and vice This is why plants need to take in carbon dioxide. b) orange. Although the reactions of the Calvin cycle are not directly dependent on light, they usually do not occur at night. formation of waste products in the form of O2. 37) In a photosystem, clusters of chlorophyll a, chlorophyll b, and carotenoid pigments function most because cellular respiration decreases when there is less ligh . 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. When the carbon dioxide concentration decreases, the color of the indicator solution also changes. B) NADPH is oxidized to NADP+. D) Green helps plants blend into their environment as a sort of camouflage. B) powers the process of glucose synthesis by supplying the cell with ATP. C) absorb less CO2 than the plants under green light. Which of the following are produced during the light reactions of photosynthesis? 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. Container A is placed under normal sunlight, B under green light, and C under red light. 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? 48) Mitochondria transfer ________ energy from ________ to ATP; chloroplasts transform ________ He placed a stopper on each test tube and placed them all in the dark for 24 hours. 18) Which of the following statements regarding photosynthesis is false? D) They make it possible for the plant to use the Calvin cycle at night. D) production is associated with events taking place on the inner mitochondrial membrane. f1(x)=x,f2(x)=x2,f3(x)=4x3x2. Turn off all gas flow when the machine is not in use. 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. Chlorophyll is found in the __________ of chloroplasts. Carbon dioxide absorption is an appropriate indicator of photosynthesis because CO2 is needed to produce sugars in the Calvin cycle. It moves by diffusion through small holes in the underside of the leaf called stomata. Brainscape helps you realize your greatest personal and professional ambitions through strong habits and hyper-efficient studying. . . What does not occur during the Calvin Cycle? 60) Which of the following statements about the greenhouse effect is true? B) H2O. d) electrons from water and energy from sunlight. If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease, and vice versa. The containers are observed for a 24-hour period. 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. D) NADPH. The Calvin cycle constructs ________, an energy-rich molecule that a plant cell can then use to make glucose or other organic molecules. 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. D) phaser. The electrons lost from the reaction center of photosystem II are replaced by electrons from grana . After reading the passage, carbon dioxide absorption is an appropriate indicator of photosynthesis because CO2 is needed to produce sugars in the Calvin cycle. D CO2 is needed to complete the light reactions. b) orange, red, and violet. e) reduction of CO2. . d) When light energy is not available, plants can derive energy from inorganic molecules. B) photosynthesis. d) reduction of NADP+. a) ADP, NADP+, O2. You've added an indicator to each solution. d) 3 CO2 a three-carbon molecule 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. cool, moistc. What important fact does this argument ignore? It is often too cold at night for these reactions to take place. In developed countries, CO 2 was first applied to cucumbers, tomatoes, and salads (western-style mixed vegetables) in greenhouse (enclosed space). . D) carbon dioxide. 33) Which of the following photosynthetic pigments can be found at the photosystem reaction center? a) cellular respiration. What do CR and photosynthesis have in common? 68) Carbon dioxide absorption is an appropriate indicator of photosynthesis because 68) A) the energy in CO 2 is used to produce ATP and NADPH. Carbon dioxide absorption is an appropriate indicator of photosynthesis because A) CO2 is needed to produce sugars in the Calvin cycle. D) the final electron acceptor is NADP+ and not oxygen. b) photon. C) Most of the biomass of the cut trees would be added to the atmosphere as CO2 within a few years. versa. B) is broken down by carbon dioxide. C) kinetic When the carbon dioxide concentration decreases, the color of the indicator solution also changes. If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease, and vice versa. Which of the following statements about the greenhouse effect is true? The ultimate source of all the food we eat and the oxygen we breathe is. Which of the following is part of the light reaction? light . Carbon dioxide absorption is an appropriate indicator of photosynthesis because. B) H+ . She then systematically changed the distance from the beaker to the lamp. light would probably D) CO 2 is needed to complete the light reactions. . C) glycolysis. Occurs in an animal cell: G, CAC, ETC You're conducting an experiment to determine the effect of different wavelengths of light on the i. Stapes Any substance that inhibits the transportation of oxygen from the lungs affects _____________. The ATP and NADPH produced during the light reactions are necessary to provide energy and high-energy electrons for the Calvin cycle. a fuel for cellular respiration and a starting material for making other organic molecules. C) Chlorophyll b primarily uses green light as the source of energy for photosynthesis. C) regeneration of ATP is driven by a flow of protons through an ATP synthase. When the carbon dioxide concentration decreases, the B) Photosynthesis involves only oxidations, while respiration involves only reductions. A) it involves an electron transport chain. 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. The Pasteur effect shows that yeast consume glucose at a higher rate under anaerobic conditions than under aerobic conditions. a) water splitting. H+ B) chlorophyll a functions is linearly dependent or linearly independent on D) the top of the electron transport chain. d. 1,000 minutes === hours. b. b) NADH. CO2 provides the carbon atoms that are incorporated into sugars in photosynthesis. B) Photons raise electrons in pigments to the ground state. C) is attributable to high CO2 levels. Carbon dioxide absorption is an appropriate indicator of photosynthesis because CO2 is needed to produce sugars in the Calvin cycle. What is the role of oxygen in cellular respiration? Each preferentially absorbs slightly different wavelengths of light. b) ATP. C) The greenhouse effect is inversely related to increasing levels of atmospheric CO2. On one strand of DNA, one nucleotide is linked to the next through _____. . (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). D) Green helps plants blend into their environment as a sort of camouflage. D) anaerobic metabolism. What provides electrons for the light reactions? A) blue B) Each preferentially absorbs slightly different wavelengths of light. ) d) be inside a mitochondrion. E) produces ATP. form carbon dioxide. a) forms NADPH to be used in the Calvin cycle. D) Excitation of the electrons is a very stable state. solution. She placed one beaker in the shade and the other beaker beside a fluorescent lamp. 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 D) produces glucose. The containers are observed for a 24-hour period. 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? Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator solution. It occurs in presence of light so the term "photo" Here the plant uses carbon dioxide and it reacts with water to given glucose The photosystems absorb solar energy and pass that energy to the mitochondria. Place the letter of your choice in the space provided. stroma. 2003-2023 Chegg Inc. All rights reserved. Passive transport requires an input of energy from the cell. C) Photosynthesis consumes CO2; respiration consumes O2. true or false: organisms on earth are currently classified first as either plant or animal. Container A is placed under normal sunlight, B under green light, and C under red light. pyruvate . A) Forests play too minor a role in global CO2 dynamics, which are affected far more by marine algae. 19) The light reactions occur in the ________, while the Calvin cycle occurs in the ________. What is the purpose of test tube #1 that does not contain a plant? 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? You can specify conditions of storing and accessing cookies in your browser. C) cytoplasm kinetic C) provide energy for the citric acid cycle. D) are found on the plasma membrane of mesophyll cells. In recent decades, the CO 2 fertilizer (such as AGROSOL, a carbon dioxide gas fertilizer) was applied to promote field condition (open space). Produces O2: L Kidney failure and decreased urine production are due to increased numbers of aquaporins. . Energy is never created or destroyed. A) Photosynthesis involves only reductions, while respiration involves only oxidations. Normal human gametes carry ____ chromosomes. Does it seem peculiar that symmetric fission is not the most probable? 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. B) reduction of carbon 32) Which of the following statements about the absorption of photons by pigment molecules is true? centers were inactivated by a toxin? -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. Some stages may have more than one characteristic or share characteristics. C) H in water; O in glucose C) hydrocarbons. 12) The oxygen released into the air as a product of photosynthesis comes from C) is a source of oxygen for cellular respiration. d) carbon monoxide. D) Photosystem II does not transfer electrons from photons. c) the membrane brings chlorophyll closer to the light. D) Most of the food humans eat can be traced back to photosynthetic plants. Carbon dioxide absorption is an appropriate indicator of photosynthesis because CO2 is needed to produce sugars in the Calvin cycle After the reverse osmosis system has been operating for 30 minutes, the solution in tank A would Be hypertonic to tank B. nucleus. light . ATP. D) food . because the light independent reaction decreases when there is less light c) NADPH Does the distribution shown in the figure seem reasonable? D) Photosynthesis produces O2; respiration produces CO2. 38) The energy that excites P680 and P700 is supplied by The absorbed energy moves the electrons to a more energetic orbital. b) is a nucleic acid complex. Container A is placed under normal sunlight, B under green light, and C under red light. C) an electron. D) Photosynthesis produces O2; respiration produces CO2. Bromthymol blue turns from blue to yellow in the presence of CO2. C) a source of electrons for chemiosmosis. b) the stoma. d) the Calvin cycle is triggered. D) aerobic respiration. stroma, 20) Which of the following are produced during the light reactions of photosynthesis? . Amino Acids enter: G, CAC ATP is not produced during photosynthesis, but only during cellular respiration. In simple summary form, the input of the Calvin cycle for every product is _____, and the output is _____ used for glucose synthesis. FADH2 shuttles electrons to the electron transport chain: CAC Hints 5. b) a fuel for photosynthesis. A) Photosynthesis involves only reductions, while respiration involves only oxidations. B) grizzly bears in Alaska. structure C According to this figure, how do H+ ions make their way from the stroma to the thylakoid interior? A) mitochondria. b) H2O- Water. A student poured a solution of bromthymol blue indicator into three test tubes. D) In photosynthesis, carbon dioxide is reduced to form sugar, while in respiration, sugar is oxidized to form carbon dioxide. C) regeneration of ATP is driven by a flow of protons through an ATP synthase. Photoautotrophs A) make sugar by using organic raw materials. A) pass energy to the reaction center. The primary function of light absorption by photosystems I and II is to produce _____. C) eat other organisms that use light energy to make food molecules. B) is analogous to the production of ATP in mitochondria. C) a windmill. A) carbon fixation B) reduction of carbon C) addition of electrons and protons to carbon D) regeneration of NADP+ E) formation of waste products in the form of O2, E) formation of waste products in the form of O2, Carbon fixation A) occurs when carbon and oxygen from CO2 are incorporated into an organic molecule. D) The greenhouse effect has no direct relationship with the Industrial Revolution of the 1800s. produce organic molecules from inorganic molecules. Figure 5.5 Photosynthesis uses solar energy, carbon dioxide, and water to release oxygen to produce energy-storing sugar molecules. C) absorb the same amount of CO2 as the plants under the green light. . make glucose or other organic molecules. . Absorb more CO2than the plants under the green light. Telophase and Cytokinesis- division of the cytoplasm. 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) is attributable to high CO2 levels. Why don't Calvin Cycle reactions occur during the night? What are by-products of cellular respiration? b. E) Young trees emit ozone-destroying gases at a higher rate than old trees and would thus worsen the ozone-hole problem while alleviating global warming. A) cyanobacteria in freshwater and marine ecosystems. B) ethylene glycol D) provides the cell with a supply of NADPH molecules. D) nuclear, 25) The full range of electromagnetic energy is called the ________ spectrum. A) electrons . D) green, 28) Of the following wavelengths of light, which would you expect to be reflected or transmitted by absorb more CO2 than the plants under the green light. . Where is chlorophyll found in a plant cell? food . B) pigment. 3 minutes ==\quad= seconds Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator She counted the bubbles given off by the plants in each beaker. Container A is placed under normal sunlight, B under green light, and C under red light. 55) What is the main adaptive advantage of the C4 and CAM photosynthesis strategies over the C3 E) absorb more CO2 than the plants under the green light. 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. Answer: E Topic: 7.6 Skill: Application. She counted the bubbles given off by the plants in each beaker. B) lack mitochondria but have chloroplasts. C) have mitochondria but do not have chloroplasts. A) Chlorophyll a is found in photosystem I and chlorophyll b in photosystem II. A student prepared two beakers with identical sprigs of a water plant as shown below. B) is analogous to the production of ATP in mitochondria. B) ATP. The containers are observed for a 24-hour period. Name two environmental leaders associated with each of these philosophies. B) green thylakoid membranes. (One G3P leaves the cycle as an output. Column A Compare Earth to Mars and list three similarities. 16) Which of the following statements concerning the role of redox reactions in photosynthesis and 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 muscle cells, fermentation produces ____. D) a spring. Less ATP is made under anaerobic conditions, so more glucose must be consumed to produce an equivalent amount of ATP. Carbon dioxide is one of the reactants in photosynthesis. What is the source of energy that provides the boost for electrons during photosynthesis? Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator solution. . A) formation is promoted by CFCs. D) CO2isneeded tocomplete the light reactions. in which of the products of photosynthesis will the radioactive H and O show up? C) The greenhouse effect will decrease the average temperature of the planet. A) Forests play too minor a role in global CO2 dynamics, which are affected far more by marine algae. c) are found in the roots of plants. A) NADPH is reduced to NADP+. water . B) made worse by photosynthesis, which adds carbon dioxide to the atmosphere. What is the likely origin of chloroplasts? The energy that excites P680 and P700 is supplied by A) electrons passing down the electron transport chain. 59) Global warming due to the greenhouse effect may be A) Chlorophyll a is found in photosystem I and chlorophyll b in photosystem II. A) is best at absorbing the energy of green light. ignore? Which of the following statements regarding photosynthesis and carbon dioxide is false? six? NADPH is used to reduce carbon during the Calvin cycle. A) CO2 is needed to produce sugars in the Calvin cycle. c) potential. . e) RuP. albinism, -a lot of different genes influence 1 -ex. form carbon dioxide. c) the production of sugars. Plant cells are protected from the harmful effects of reactive oxidative molecules by. Guard cells. C) Because of their short growth period and self-regeneration, willows are more viable as a source of potential power than the trees in most natural forests. 61) What is the main adaptive advantage of the C4 and CAM photosynthesis strategies over the C3 strategy? 63) Ozone consists of ________ oxygen atom(s). B) red Which of the following is an example of a photoautotroph? c) they lose potential energy. Change absorbent whenever the color change indicates exhaustion. 50) ATP and NADPH 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) thylakoid membranes . A) chlorophyll b B) Burning fossil fuels release carbon dioxide that was removed from the atmosphere millions of years ago. . . 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. C) cellular respiration a) thylakoid membranes . grana. Increasing the distance from the light source decreased the rate of photosynthesis. A) G3P Small aquatic plants are placed into three containers of water mixed with carbon dioxide. f. Pharyngotympanic (auditory) tube Carbon dioxide absorption is an appropriate indicator of photosynthesis because Then, he placed an aquatic plant in two of the test tubes, as shown below. C) the top of the electron transport chain. food . j. Tectorial membrane C) stroma; thylakoids B) absorb the same amount of CO2 as the plants under both the green light and normal sunlight. A) chlorofluorocarbons d) Photosystem I functions first in the sequence of steps a) Each preferentially absorbs slightly different wavelengths of light. Which of the following colors contributes the least energy to photosynthesis? B) CO2 is needed to complete the light reactions. At the same time other chemical changes may occur, which form additional colors through the development of red anthocyanin pigments. B) chloroplasts; mitochondria 8) In most green plants, chloroplasts are A) concentrated in a zone of leaf tissue called the mesophyll. B) Chlorophyll a absorbs green light. D) absorb less CO2 than the plants under green light. 47) In photosynthesis, the chemiosmotic production of ATP c) the Calvin cycle. a) NADPH recycling. spotted flower/blood type, -1 gene influences multiple traits -ex. 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. ATP and NADPH A) play a role in glucose synthesis by plants. ________ cells in leaves are specialized for photosynthesis. C) Photosystem I functions first in the sequence of steps that make up the light reactions. The chloroplast ATP synthase 5) What is the likely origin of chloroplasts? 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.
carbon dioxide absorption is an appropriate indicator of photosynthesis because