carbon dioxide absorption is an appropriate indicator of photosynthesis because

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? A) two 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). Carbon dioxide absorption is an appropriate indicator of photosynthesis because Select one: a. CO2 is needed to complete the light reactions. If the concentration of carbon dioxide is increased, the rate of photosynthesis will therefore increase. Telophase and Cytokinesis- division of the cytoplasm. b. plants produce oxygen gas by splitting CO2. Which of the following statements about the greenhouse effect is true? A) occurs when carbon atoms from CO2 are incorporated into an organic molecule. . 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. 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? C) does not have a reaction center. 2003-2023 Chegg Inc. All rights reserved. D) provide energy for the Krebs cycle. cellular respiration is true? 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. Carbon dioxide initially combines with RuBP, and RuBP is regenerated to continue the Calvin cycle. Less ATP is made under anaerobic conditions, so more glucose must be consumed to produce an equivalent amount of ATP. In which of the following organelles does photosynthesis take place? A) power sugar synthesis during the Calvin cycle. Place the letter of your choice in the space provided. B) Photosynthesis is ultimately powered by light energy and respiration by the chemical energy of fuel molecules. Elevated atmospheric carbon dioxide concentration (elevated CO 2) is a major component of climate change. The A) is an evolutionary relic from when atmospheric O2 levels were low and did not interfere with rubisco. C) ADP, NADP+, O2 Carbon dioxide initially combines with RuBP, and RuBP is regenerated to continue the Calvin cycle. C) H in water; O in glucose Convert: rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease and vice In this drawing of a chloroplast, which structure represents the thylakoid membrane? d) pigment. b. The electron transport chains of the light reactions. A) CO2. D) a spring. Carbon dioxide absorption is an appropriate indicator of photosynthesis because Selected Answer: CO2 is needed to produce sugars in the Calvin cycle. According to this figure, how do H+ ions make their way from the stroma to the thylakoid interior? b) plants produce oxygen gas by splitting CO2. grana . . d) 3 CO2 a three-carbon molecule Container A is placed under normal sunlight, B under green light, and C under red light. . You've added an indicator to each solution. , Why are there less air bubbles as the plant is place further away from the light source Within the plant cell, the water is oxidized, meaning it loses electrons, while the carbon dioxide is reduced, meaning it gains electrons. E) The principal electron carrier in photosynthesis is NADPH; the principal electron carrier in respiration is NADH. Plants use sugars as 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. Since the Earth's atmosphere formed, it seems to have always contained carbon dioxide in varying amounts. . The containers are observed for a 24-hour period. A) reduced by photosynthesis, which removes carbon dioxide from the atmosphere. During the growing season leaves take up carbon dioxide. D) The release of energy by the excited electron can be as heat, light, or fluorescence. The ATP and NADPH produced during the light reactions are necessary to provide energy and high-energy electrons for the Calvin cycle. C) a windmill. C) cytoplasm . E) of little concern, since it is part of the normal cycle for the planet. E) are used in the electron transport chain to pump H+ into the thylakoid space. 61) It has been argued that cutting old-growth forests and replacing them with plantations of young trees A student poured a solution of bromthymol blue indicator into three test tubes. Photosynthesis occurs in chloroplasts and cellular respiration occurs in mitochondria.This answer is correct. b) cytoplasm . shuttle electrons along in a series of redox reactions. c) NADPH b) nuclear. B) are found in the roots of plants. Produces molecules of NADH: G, CAC She then systematically changed the distance from the beaker to the lamp. d) carbon monoxide. 3 minutes ==\quad= seconds A) blue b) contain protein but not lipids cyanobacteria in freshwater and marine ecosystems, Autotrophs that utilize light as their energy source are. 63) Ozone consists of ________ oxygen atom(s). How do the reaction centers of photosystem I and II differ? the wavelength increases as a plant is placed further away from a light source. A) H and O both in glucose A) cellular respiration. b) orange, red, and violet. . 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. It moves by diffusion through small holes in the underside of the leaf called stomata. Which of the following statements regarding photosynthesis and cellular respiration are true? a) CO2 is needed to complete the light reactions. d) 3 CO2 a three-carbon molecule. What is the role of NADP+ in photosynthesis? Plants perform both photosynthesis and cellular respiration. The greenhouse effect is exacerbated by the use of fossil fuels. 6) In most green plants, chloroplasts are. C) is done by the Calvin cycle. C) kinetic You are surprised to find that it is still alive when you return. The stomata open to absorb the carbon dioxide needed to perform photosynthesis. D) is embedded in the inner membrane of the chloroplast. 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? Mitochondria transfer ________ energy from ________ to ATP; chloroplasts transform ________ energy into the chemical energy of ATP. A) cyanobacteria in freshwater and marine ecosystems. You've added an indicator to each solution. A) donation of excited electrons by chlorophyll a to a primary electron acceptor d) couples the flow of H+ to the phosphorylation of ADP. 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. Plants release what gaseous by-product as a result of photosynthesis? Container A is placed under normal sunlight, B under green light, and C under red light. Carbon dioxide absorption is an appropriate indicator of photosynthesis because They record their results and display them on a graph as shown. . E) NADPH. the interval (,)(-\infty, \infty)(,). A) They help the plant conserve water and synthesize glucose efficiently under hot, dry conditions. A) Plants require carbon dioxide, water, and sunlight to make glucose. C) glycolysis. the final electron acceptor is NADP+ and not oxygen. functions is linearly dependent or linearly independent on If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease, and vice versa. c) Plants usually open their stomata at night. B) pigment. Stores energy in a form that can drive cellular work. D) include only the green plants. A by-product of cellular respiration is heat. In what form would you expect to find sulfur (S) as a result of photosynthesis in these bacteria? B) They allow the plant to fix carbon more efficiently under conditions of low atmospheric CO2. B) stroma . 2) Carbon dioxide absorption is an appropriate indicator of photosynthesis because B) H+ . C) a source of electrons for chemiosmosis. thylakoid membrane. b) FADH2 d) ATP, NADPH, O2, the Calvin cycle produce: glucose, ADP, NADP+, Which of the following colors of light are useful during the process of photosynthesis? 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. ATP. B) CO 2 is needed to complete the light reactions. 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. B) is analogous to the production of ATP in mitochondria. 48) Mitochondria transfer ________ energy from ________ to ATP; chloroplasts transform ________ Browse over 1 million classes created by top students, professors, publishers, and experts. absorption of carbon dioxide as an indicator of the rate of photosynthesis in aquatic ecosystems. c) oxygen. C) Chlorophyll b primarily uses green light as the source of energy for photosynthesis. B. Shown here is the graph of the data for the beaker she placed beside the lamp. ; thylakoids. D) eight, 52) The Calvin cycle constructs ________, an energy-rich molecule that a plant cell can then use to A) it involves an electron transport chain. occurs when carbon atoms from CO2 are incorporated into an organic molecule. C) photons. Which of the following statements about water balance disorders is scientifically accurate? D) produces glucose. Mutation that introduces a different codon, resulting in a different amino acid. CO2 is needed to produce sugars in the Calvin cycle. E) They allow the plant to avoid photorespiration by producing a four-carbon sugar in place of glucose. The containers are observed for a 24-hour period. D) anaerobic metabolism. 40) As a result of the cascade of electrons down the electron transport chains of the light reactions, e) Chlorophyll. As a result of the cascade of electrons down the electron transport chains of the light reactions. . This is the initial step of a complex process leading to the formation of sugars. 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? B) CO2 is needed to complete the light reactions. The Calvin cycle constructs ________, an energy-rich molecule that a plant cell can then use to make glucose or other organic molecules. Sunlight is a type of ________ energy. When the carbon dioxide concentration decreases, the color of the indicator solution also changes. B) are very different from those of cellular respiration. 44) Photophosphorylation during photosynthesis differs from oxidative phosphorylation during cellular D) NADPH. Container A is placed under normal sunlight, B under green light, and C under red light. concentrated in a zone of leaf tissue called the mesophyll. D) absorb more CO2 than the plants under the green light. grana . B) produce organic molecules from inorganic molecules. D) the energy in CO2 is used to produce ATP and NADPH. Occurs in a plant cell: L, G, ETC, CC, CAC pyruvate . solution. D) chemiosmosis. This drives the reactions to form ATP and NADPH. How do the reaction centers of photosystem I and II differ? 56) The ultimate source of all the food we eat and the oxygen we breathe is B) the breaking of glucose bonds. C) is done by the Calvin cycle. A) glucose, ADP, NADP+ A) water. 37) In a photosystem, clusters of chlorophyll a, chlorophyll b, and carotenoid pigments function most C) cellular respiration c) NADPH C) passes absorbed energy to chlorophyll a. E) a fuel for cellular respiration and a starting material for making other organic molecules. Why don't Calvin Cycle reactions occur during the night? light . Although the reactions of the Calvin cycle are not directly dependent on light, they usually do not occur at night. E) thylakoids; stroma. containers are observed for a 24-hour period. 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. If the Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator solution. food . 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) nuclear, 25) The full range of electromagnetic energy is called the ________ spectrum. When the carbon dioxide concentration decreases, the color of the indicator solution also changes. C) plants produce oxygen gas by splitting CO 2. 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. . 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? Plants, on the other hand, are experts at capturing light energy and using it to make sugars through a process called photosynthesis. Bromthymol blue turns from blue to yellow in the presence of CO2. C) Most of the biomass of the cut trees would be added to the atmosphere as CO2 within a few years. Column B through an electron transport chain molecule, Global warming due to the greenhouse effect may be. In simple summary form, the input of the Calvin cycle for every product is _____, and the output is _____ used for glucose synthesis. The full range of electromagnetic energy is called the ________ spectrum. b) glucose, ADP, NADP+, CO2. CO2 is needed to produce sugars in the Calvin cycle. 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) six c) have photosynthetic pigments. b) glucose, ADP, NADP+, CO2. At the same time other chemical changes may occur, which form additional colors through the development of red anthocyanin pigments. B) Burning fossil fuels release carbon dioxide that was removed from the atmosphere millions of years ago. When the carbon dioxide concentration decreases, the color of the indicator solution also changes. kinetic C) concentrated in a portion of the leaf called the stroma. 4. d) An electron transport chain D) aerobic respiration. Occurs in the cytosol: G B) ethylene glycol Glycolysis is the only stage of cellular respiration that requires _______ to make ______. In glycolysis, . is oxidized and .. is reduced. b. Cochlear duct E) absorb more CO2 than the plants under the green light. Which of the following are photoautotrophs? B) photosynthesis. A) cellular respiration. D) the same as the equation for glycolysis written in reverse. What transports electrons from the light reactions to the Calvin cycle? C) Most of the biomass of the cut trees would be added to the atmosphere as CO2 within a few years. d) stroma . d) ATP, NADPH, O2, Which of the following are produced during the Calvin cycle?

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