carbon dioxide absorption is an appropriate indicator of photosynthesis because

b) a free, energized electron. 2) Carbon dioxide absorption is an appropriate indicator of photosynthesis because 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. the energy in CO 2 is used to produce ATP and NADPH. Stores energy in a form that can drive cellular work. B) Each preferentially absorbs slightly different wavelengths of light. ________ to the thylakoid compartment, generating a concentration gradient of ________. Purple sulfur bacteria are organisms capable of photosynthesis. B) H2O. C) is done by the Calvin cycle. . . B) Photosynthesis involves only oxidations, while respiration involves only reductions. . Does it seem peculiar that symmetric fission is not the most probable? c) carbon dioxide. A) cyanobacteria in freshwater and marine ecosystems B) grizzly bears in Alaska C) bacteria in our mouth D) fungi growing in the refrigerator E) mushrooms growing on the side of a dead tree, A) cyanobacteria in freshwater and marine ecosystems, What is the likely origin of chloroplasts? g. Scala tympani B) electromagnetic 54) Photorespiration 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. D) In photosynthesis, carbon dioxide is reduced to form sugar, while in respiration, sugar is oxidized to form carbon dioxide. C) Excitation of the electrons is a very stable state. c) Photosystem II does not transfer electrons from photons. Which of the following are produced by reactions that take place in the thylakoids and consumed by reactions in the stroma? b. They record their results and display them on a graph as shown. Normal human gametes carry ____ chromosomes. E) thylakoids; stroma. 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). c) NADPH Plants use sugars as A) a fuel for photophosphorylation. When does synapsis and crossing-over occur in meiosis? ; thylakoids. B) the breaking of glucose bonds. B) Chlorophyll a absorbs green light. Produces ATP: L, G, ET , CAC 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. Answer: E Topic: 7.6 Skill: Application. He placed a stopper on each test tube and placed them all in the dark for 24 hours. Plants gather the sun's energy with light-absorbing pigments called, The oxygen released into the air as a product of photosynthesis comes from. C) photon. a) quantum. d) couples the flow of H+ to the phosphorylation of ADP. energy into the chemical energy of ATP. The plants in the red light because chlorophyll absorbs red light. A redox reaction involves the transfer of. 83) Carbon dioxide absorption isanappropriate indicator ofphotosynthesis because A) plants produce oxygen gasbysplitting CO2. 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. B) Young trees fix carbon at a lower rate per unit mass than old trees. C) Most of the biomass of the cut trees would be added to the atmosphere as CO2 within a few years. color of the indicator solution also changes. Which of the following statements about water balance disorders is scientifically accurate? Carbon dioxide absorption is an appropriate indicator of photosynthesis because A) CO2 is needed to produce sugars in the Calvin cycle. D) eight, 52) The Calvin cycle constructs ________, an energy-rich molecule that a plant cell can then use to Carbon dioxide absorption is an appropriate indicator of photosynthesis because A) CO2. E) are only found on land. c. CO2 is needed to produce sugars in the Calvin cycle. 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. Which of the following correctly identifies the structures labeled in Figure 8-2? . A) cellular respiration. B) lack mitochondria but have chloroplasts. E) The greenhouse effect has no direct relationship with the Industrial Revolution of the 1800s. 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. Small aquatic plants are placed into three containers of water mixed with carbon dioxide. They place an Elodea plant into a test tube filled with water. | : : O " ) " e 0 . C) a starting material for the Calvin cycle. . The containers are observed for a 24-hour period. 45) In photophosphorylation, energy from electron flow is used to transport ________ from the Carbon dioxide absorption is an appropriate indicator of photosynthesis This site is using cookies under cookie policy . Carbon dioxide initially combines with RuBP, and RuBP is regenerated to continue the Calvin cycle. d. the energy in CO2 is used to produce ATP and NADPH. Using this value, find the separation distance of the 222 nitrogen atoms. Plants use sugars as : Which of the following statements about the greenhouse effect is true? Chlorophyll is found in the __________ of chloroplasts. In photosynthesis, the chemiosmotic production of ATP A) requires oxygen. How can the cell move sodiumout ofthe cell? 2003-2023 Chegg Inc. All rights reserved. C) In photosynthesis, carbon dioxide is oxidized to form sugar, while in respiration, sugar is reduced to form carbon dioxide. d) ATP, NADPH, O2, Which of the following are produced during the Calvin cycle? The chloroplast ATP synthase A) is a nucleic acid complex. 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? It occurs in presence of light so the term "photo" Here the plant uses carbon dioxide and it reacts with water to given glucose Guard cells. D) produces glucose. A) ATP is not produced during photosynthesis, but only during cellular respiration. What important fact does this argument ignore? CO2 enters and O2 escapes from a leaf via. B) H+ . a. Bony labyrinth E) of little concern, since it is part of the normal cycle for the planet. She placed one beaker in the shade and the other beaker beside a fluorescent lamp. because photosynthesis decreases as a plant is moved further away from a light source formation of waste products in the form of O2. D) thylakoid membranes . The containers are observed for a 24-hour period. Plants use sugars as B) chlorophyll a When the carbon dioxide concentration decreases, the color of the indicator solution also changes. Carbon is stored in the living biomass. d. 1,000 minutes === hours. E) helps transport H+ against the concentration gradient. through an electron transport chain molecule, Global warming due to the greenhouse effect may be. What provides the carbon atoms that are incorporated into sugar molecules in the Calvin cycle? You can specify conditions of storing and accessing cookies in your browser. See Page 1. . Kaleigh UTK Biology Chapt 7 Photosynthesis Practice Test - Quizlet C) have mitochondria but do not have chloroplasts. D) mitochondria; chloroplasts D) Green helps plants blend into their environment as a sort of camouflage. 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. C) They allow the plant to fix carbon more efficiently in dim or cool conditions. A) CO2 is needed to produce sugars in the Calvin cycle. 32) Which of the following statements about the absorption of photons by pigment molecules is true? D) provide energy for the Krebs cycle. food . . What is the source of energy that provides the boost for electrons during photosynthesis? D) releases CO2 as a by-product. 13) Which of the following molecules is both a reactant and a product of photosynthesis? b) a fuel for photosynthesis. , Why are there less air bubbles as the plant is place further away from the light source The full range of electromagnetic energy is called the ________ spectrum. A) it involves an electron transport chain. D) Photosystem II does not transfer electrons from photons. A) They help the plant conserve water and synthesize glucose efficiently under hot, dry conditions. c. 2 days ==\ldots= minutes albinism, -a lot of different genes influence 1 -ex. E) the bottom of the electron transport chain, E) the bottom of the electron transport chain, Photophosphorylation differs from oxidative phosphorylation in that A) it involves an electron transport chain. Occurs in the cytosol: G C) absorb electrons. 3) Which of the following is an example of a photoautotroph? Match the following stages of cellular respiration and photosynthesis with the correct characteristics. In photosynthesis, carbon dioxide is reduced to form sugar, while in respiration, sugar is oxidized to form carbon dioxide. strategy? In which of the following organelles does photosynthesis take place? D) Green helps plants blend into their environment as a sort of camouflage. The conversion of NADP+ to NADPH occurs with the assistance of _____. D) H+ . 200 seconds === minutes, seconds rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease and vice B) The greenhouse effect is exacerbated by the use of fossil fuels. B) red Hints C) eat other organisms that use light energy to make food molecules. The concentration of CO2 will decrease as plants use it to energizes electrons in the electron transport system. 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? 7) ________ cells in leaves are specialized for photosynthesis. the Calvin cycle depends on products of the light reactions. D) protects Earth from UV radiation. B) photorespiration. In addition, glyceraldehyde-3-phosphate (G3P), a three-carbon molecule, is shunted off the cycle for glucose synthesis. B) CO 2 is needed to complete the light reactions. D) ATP, NADPH, CO2. D) They make it possible for the plant to use the Calvin cycle at night. b) chemiosmosis can occur across the thylakoid membrane. C) Most of the biomass of the cut trees would be added to the atmosphere as CO2 within a few years. light . E) absorb more CO2 than the plants under the green light. d. Malleus B) H in glucose; O in water 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. Absorb more CO2than the plants under the green light. cyanobacteria in freshwater and marine ecosystems, Autotrophs that utilize light as their energy source are. C) The greenhouse effect is inversely related to increasing levels of atmospheric CO2. 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. Tube within cochlea containing spiral organ and endolymph. In fermentation _____ is reduced and _____ is oxidized. Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator solution. . After reading the paragraph below answer the questions that follow In fact, the jump of 2.58 ppm over 2021 amounts tied for 5th-highest annual increase in NOAA's 63 . C) the top of the electron transport chain. A) carbon monoxide. Column A d) break down H2O. 31) A packet of light energy is called a solution. Mitochondria transfer ________ energy from ________ to ATP; chloroplasts transform ________ energy into the chemical energy of ATP. 24) Sunlight is a type of ________ energy. What transports electrons from the light reactions to the Calvin cycle? Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator solution. d) 3 CO2 a three-carbon molecule. 50) ATP and NADPH 36) Clusters of light-gathering pigments in a photosystem c) have photosynthetic pigments. Carbon dioxide absorption is an appropriate indicator of photosynthesis because Selected Answer: CO2 is needed to produce sugars in the Calvin cycle. You're conducting an experiment to determine the effect of different wavelengths of light on the stroma, 20) Which of the following are produced during the light reactions of photosynthesis? versa. nucleus What can you conclude about how the distance from a light source relates to the rate of photosynthesis? . A) pass energy to the reaction center. b) chemiosmosis can occur across the thylakoid membrane. c) Carbon dioxide (CO2) Light reactions are located in the thylakoid membrane because _____. a) Sucrose (C12H22O11) C) plants produce oxygen gas by splitting CO2. Plants absorb more CO2 than we thought, but c) oxygen. C) a source of electrons for chemiosmosis. 37) In a photosystem, clusters of chlorophyll a, chlorophyll b, and carotenoid pigments function most C) orange electrons light . B) absorb the same amount of CO2 as the plants under both the green light and normal sunlight. B) produce organic molecules from inorganic molecules, Which of the following is an example of a photoautotroph? The ultimate source of all the food we eat and the oxygen we breathe is. . C) Photosystem I functions first in the sequence of steps that make up the light reactions. Why? -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. . a) function in energy transformation. NADPH is used to reduce carbon during the Calvin cycle. 5) What is the likely origin of chloroplasts? D) the same as the equation for glycolysis written in reverse. Involves the splitting of glucose: G A) light d) G3P. c. External acoustic meatus d) An electron transport chain D) chlorophyll, 14) If you expose a photosynthesizing plant to water that contains both radioactive H and radioactive O, b. plants produce oxygen gas by splitting CO2. B. A) power sugar synthesis during the Calvin cycle. The electrons lost from the reaction center of photosystem I are replaced by electrons from A) CO2. Small aquatic plants are placed into three containers of water mixed with carbon dioxide. BIO CH. 7 Flashcards by Jessica D | Brainscape centers were inactivated by a toxin? A student poured a solution of bromthymol blue indicator into three test tubes. Carbon dioxide absorption is an appropriate indicator of photosynthesis C) kinetic B) powers the process of glucose synthesis by supplying the cell with ATP. 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) NADPH is reduced to NADP+. A) stroma B) water. containers are observed for a 24-hour period. Plant cells are protected from the harmful effects of reactive oxidative molecules by. E) NADPH. A plant that uses CAM photosynthesis is most likely to be successful in what type of environment?a. Males: In the 7 th weekof development, the SRY gene on the Y chromosome activates anumber of genes, and the gonads develop as testes. Which of the following statements describes what happens in the photosystems? Carbon exchange with the atmosphere mostly happens through photosynthesis and respiration. FADH2 shuttles electrons to the electron transport chain: CAC C) regeneration of ATP is driven by a flow of protons through an ATP synthase. A) CO2. 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 $ , , ? Which of the following are produced during the Calvin cycle? a) carbon dioxide. Assume the ball is made out of a material that has a linear coefficient of expansion \alpha of 75.2106/C.75.2 \times 10^{-6} /^{\circ} \mathrm{C}.75.2106/C. C) passes absorbed energy to chlorophyll a. Expert Answer D) levels in the atmosphere have been steadily increasing in the past century. What connects the two photosystems in the light reactions? The Era of Jefferson & Madison Vocabulary, NPLEX 2 - Nutrition - Manganese, Molybdenum,, Essential Biology: Chapter 8: Cell Reproducti, II(Bio) Chapter 8: Energy, Enzymes, and Metab, John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine, Event and Facility Final Chapter 9: Operation. She placed one beaker in the shade and the other beaker beside a fluorescent lamp. b) electrons from water and energy from ATP. D) Photosynthesis produces O2; respiration produces CO2. 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? D) nuclear, 25) The full range of electromagnetic energy is called the ________ spectrum. D) the energy in CO 2 is used to produce ATP and NADPH. The light reactions occur in the ________, while the Calvin cycle occurs in the ________. c) the Calvin cycle. D) anaerobic metabolism. Sunlight is a type of ________ energy. 12) The oxygen released into the air as a product of photosynthesis comes from ignore? If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease and vice versa. B CO2 is needed to produce sugars in the Calvin cycle. D) helps transport H+ against the concentration gradient. C) reduced by the burning of fossil fuels, which removes oxygen from the atmosphere. When the carbon dioxide concentration decreases, the color of the indicator solution also changes. D) are found on the plasma membrane of mesophyll cells. 15) A redox reaction involves the transfer of Bromthymol blue turns from blue to yellow in the presence of CO2. light one? The energy to run the Calvin cycle is produced. You've added an indicator to each solution. A) chlorophyll b C) photons. . B) Chlorophyll a absorbs green light. d) couples the flow of H+ to the phosphorylation of ADP. D) NADPH. A) reduced by photosynthesis, which removes carbon dioxide from the atmosphere. Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator solution. E) They allow the plant to avoid photorespiration by producing a four-carbon sugar in place of glucose. B) are products of the Calvin cycle. Plants absorb carbon dioxide from the air, combine it with water and light, and make carbohydrates the process known as photosynthesis. functions is linearly dependent or linearly independent on Climate Change: Atmospheric Carbon Dioxide They also open to release the oxygen produced by this process. D) ATP, NADPH, O2, 21) Which of the following is part of the light reaction? spotted flower/blood type, -1 gene influences multiple traits -ex. B) transports H+ ions from the stroma to the thylakoid space. What do plants do with the sugar they produce in photosynthesis. d) stroma . 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? A) occurs when carbon and oxygen from CO2 are incorporated into an organic molecule. 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 . C) Pigments only lose energy in the excitation process. He placed a stopper on each test tube and placed them all in the dark for 24 hours. These sugar molecules contain the energy that living things need to survive. 63) Ozone consists of ________ oxygen atom(s). 68 Carbon dioxide absorption is an appropriate indicator of 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. In this drawing of a chloroplast, which structure represents the thylakoid membrane? B) a starting material for the Calvin cycle. C) six d) the Calvin cycle is triggered. Which figure depicts an animal cell placed in a solution hypotonic to the cell? C) NADP+ is reduced to NADPH. You could distinguish a granum from an inner mitochondrial membrane because the granum, but not the inner mitochondrial membrane, would _____. B) made worse by photosynthesis, which adds carbon dioxide to the atmosphere. D. CO is needed to produce sugars in the Calvin cycle. A) formation is promoted by CFCs. What provides electrons for the light reactions? a) hydrocarbons. Occurs in an animal cell: G, CAC, ETC In muscle cells, fermentation produces ____ lactate and NAD+ In fermentation _____ is reduced and _____ is oxidized. C) CO2isneeded toproduce sugars intheCalvin cycle. This recombination of maternal and paternal genetic material is a key feature of meiosis. C) is attributable to high CO2 levels. 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 simple summary form, the input of the Calvin cycle for every product is _____, and the output is _____ used for glucose synthesis. For every six molecules of G3P produced, 3 CO2 enter the cycle. b) a free, energized electron. What important fact does this argument ignore? D) chemiosmosis. D) the top of the electron transport chain. D) Most of the young trees would die within a few years. Correct Chapter 7 Question 57 MultipleChoice Part A Plants use sugars as ANSWER:carbon . D) The greenhouse effect will decrease the average temperature of the planet. moderated by photosynthesis, which removes carbon dioxide from the atmosphere. Which of the following is part of the light reaction? In recent decades, the CO 2 fertilizer (such as AGROSOL, a carbon dioxide gas fertilizer) was applied to promote field condition (open space). C) bacteria in our mouth. D) absorption of photons by carotenoids. C) H2O. The primary function of light absorption by photosystems I and II is to produce _____. , t a) cellular respiration. Container A is placed under normal sunlight, B under green light, and C under red light. What are by-products of cellular respiration? A) blue D) have mitochondria and chloroplasts. What provides electrons for the light reactions? d) carbon monoxide. 1) The summary equation for photosynthesis is A) 6 CO2 + 6 H2O + sunlight C6H12O6 + 6 O2. . e) reduction of CO2. A) may be an evolutionary relic from when atmospheric O2 levels were low. The photosystems absorb solar energy and pass that energy to the mitochondria. d) kinetic, Which of the following colors contributes the least energy to photosynthesis? Column B The thylakoid membrane allows for hydrogen ions (H+) to be transported across, thus creating a charge separation. E) The release of energy by the excited electron can be as heat, light, or fluorescence. Greenhouse Gases Change the absorbent regularly, on Monday morning for instance. A) The greenhouse effect is reduced by deforestation. A) Photosynthesis involves only reductions, while respiration involves only oxidations. B) is broken down by carbon dioxide. 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. C) plants produce oxygen gas by splitting CO2. Which of the following are produced during the Calvin cycle? The movement of H+ across a membrane down its concentration gradient, Carbon dioxide absorption is an appropriate indicator of photosynthesis because. B) grizzly bears in Alaska. 42) The electrons lost from the reaction center of photosystem II are replaced by electrons from Photosynthetic organisms derive their carbon from The containers are observed for a 24-hour period. because the light independent reaction decreases when there is less light Where in the chloroplast is chlorophyll found? D) include only the green plants. d) pigment. Skill: Applying/Analyzing Learning Outcome: 7.5 34) Carbon dioxide absorption is an appropriate indicator of photosynthesis because A) CO 2 is needed to produce sugars in the Calvin cycle. in which of the products of photosynthesis will the radioactive H and O show up? E) The release of energy by the excited electron can be as heat, light, or fluorescence. 59) Global warming due to the greenhouse effect may be 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?

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