Correct Answer: CO2 is needed to produce sugars in the Calvin cycle. D) four, 64) Which of the following has been a major source of ozone destruction over the past 50 years? 19) The light reactions occur in the ________, while the Calvin cycle occurs in the ________. C) are inputs to the photosystems. A) lack mitochondria and chloroplasts. Which of the following equations represents photosynthesis? C) ATP, NADPH, O2 A student poured a solution of bromthymol blue indicator into three test tubes. D) Most of the food humans eat can be traced back to photosynthetic plants. Using this value, find the separation distance of the 222 nitrogen atoms. 3) Which of the following is an example of a photoautotroph? 2. A student prepared two beakers with identical sprigs of a water plant as shown below. If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease and vice versa. C) cytoplasm chemical . What is the role of oxygen in cellular respiration? Based on this information, which part of cellular respiration would be stopped if arsenic were ingested? C) H2O. 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) have photosynthetic pigments. 29) Chlorophyll b absorption of carbon dioxide as an indicator of the rate of photosynthesis in aquatic ecosystems. in which of the products of photosynthesis will the radioactive H and O show up? c) Photosystem II does not transfer electrons from photons. A) Photosynthesis involves only reductions, while respiration involves only oxidations. Which of the following colors contributes the least energy to photosynthesis? c) stroma . b) their electrons become excited. d. the energy in CO2 is used to produce ATP and NADPH. Youre 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. CO2 enters and O2 escapes from a leaf via. Although the reactions of the Calvin cycle are not directly dependent on light, they usually do not occur at night. Why? . What quantum number of the hydrogen atom comes closest to giving a 500-nm-diameter electron orbit? C) CO2isneeded toproduce sugars intheCalvin 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. , Why are there less air bubbles as the plant is place further away from the light source Youve added an indicator to each solution. D) ATP, NADPH, O2, 21) Which of the following is part of the light reaction? Some stages may have more than one characteristic or share characteristics. or three? Destroying the H+ gradient that allows ATP synthase to work. The light reactions take place in the _________ and the Calvin cycle takes place in the _________. The ATP and NADPH produced during the light reactions are necessary to provide energy and high-energy electrons for the Calvin cycle. 36) Clusters of light-gathering pigments in a photosystem In fact, the jump of 2.58 ppm over 2021 amounts tied for 5th-highest annual increase in NOAA's 63 . b. Cochlear duct thylakoid membrane The synthesis of ATP from ADP and a phosphate group. . When does synapsis and crossing-over occur in meiosis? 83) Carbon dioxide absorption isanappropriate indicator ofphotosynthesis because A) plants produce oxygen gasbysplitting CO2. Container A is placed under normal sunlight, B under green light, and C under red light. E) Burning wood contributes more to acid rain than burning fossil fuels. Carbon dioxide initially combines with RuBP, and RuBP is regenerated to continue the Calvin cycle. B) Each preferentially absorbs slightly different wavelengths of light. . Clusters of light-gathering pigments in a photosystem A student prepared two beakers with identical sprigs of a water plant as shown below. The containers are observed for a 24-hour period. As a result of the cascade of electrons down the electron transport chains of the light reactions. containers are observed for a 24-hour period. A) formation is promoted by CFCs. How many turns of the Calvin cycle are required to produce one molecule of glucose? C) provide energy for the citric acid cycle. Mitochondria differ from chloroplasts in that mitochondria. A) chlorofluorocarbons A student poured a solution of bromthymol blue indicator into three test tubes. 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. Light reactions are located in the thylakoid membrane because _____. . Sunlight is a type of ________ energy. In this drawing of a chloroplast, which structure represents the thylakoid membrane? Think carefully about the fission process. During the growing season leaves take up carbon dioxide. Plants perform both photosynthesis and cellular respiration. 37) In a photosystem, clusters of chlorophyll a, chlorophyll b, and carotenoid pigments function most D) have mitochondria and chloroplasts. See Page 1. B) reduction of carbon 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. 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? j. Tectorial membrane You could distinguish a granum from an inner mitochondrial membrane because the granum, but not the inner mitochondrial membrane, would _____. B) photosynthesis. She then systematically changed the distance from the beaker to the lamp. A) reduced by photosynthesis, which removes carbon dioxide from the atmosphere. A) carbon fixation A) Plants require carbon dioxide, water, and sunlight to make glucose. A) an antenna. It is often too cold at night for these reactions to take place. The light reactions of photosynthesis use _____ and produce _____. B) Chlorophyll a absorbs green light. Occurs in the mitochondria: CAC, ETC 24) Sunlight is a type of ________ energy. d) blue, green, and orange. b) absorb electrons. 2) Carbon dioxide absorption is an appropriate indicator of photosynthesis because A) 6 CO2 + 6 H2O + sunlight C6H12O6 + 6 O2. Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator solution. B) NADPH is oxidized to NADP+. You have a large, healthy philodendron that you carelessly leave in total darkness while you are away on vacation. Which of the following colors contributes the least energy to photosynthesis? This recombination of maternal and paternal genetic material is a key feature of meiosis. 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. 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. d. Malleus A) electromagnetic Occurs in the chloroplast: CC, L ATP and NADPH A) play a role in glucose synthesis by plants. A) electrons passing down the electron transport chain. Why does the relationship between metabolic rate and temperature exist? Carbon dioxide is one of the reactants in photosynthesis. Greenhouse Gases B) a fuel for photosynthesis. A) photosynthetic prokaryotes that lived inside eukaryotic cells. Which of the following graphs represents the effect of increasing light intensity on the rate of photosynthesis? d) break down H2O. a) heat. 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) a starting material for the Calvin cycle. 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? D) the energy in CO2 is used to produce ATP and NADPH. In this drawing of a chloroplast, which structure represents the thylakoid membrane? a. A by-product of cellular respiration is heat. D) pass absorbed energy to chlorophyll a. E) thylakoids; stroma. B) is analogous to the production of ATP in mitochondria. Which of the following statements concerning the role of redox reactions in photosynthesis and cellular respiration is true? b) glucose, ADP, NADP+, CO2. 3) Which of the following is an example of a photoautotroph? Plants release what gaseous by-product as a result of photosynthesis? A) cellular respiration. Browse over 1 million classes created by top students, professors, publishers, and experts. functions is linearly dependent or linearly independent on D) the energy in CO2 is used to produce ATP and NADPH. How can the cell move sodiumout ofthe cell? 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. B) lack mitochondria but have chloroplasts. A) donation of excited electrons by chlorophyll a to a primary electron acceptor B) potential c) potential. c. External acoustic meatus Carbon dioxide absorption is an appropriate indicator of photosynthesis because CO2 is needed to produce sugars in the Calvin cycle. Passive transport requires an input of energy from the cell. A) inner membrane; outer membrane two? The electrons lost from the reaction center of photosystem I are replaced by electrons from A) CO2. What can you conclude about how the distance from a light source relates to the rate of photosynthesis? C) Chlorophyll b primarily uses green light as the source of energy for photosynthesis. The chloroplast ATP synthase A) is a nucleic acid complex. Bromthymol blue turns from blue to yellow in the presence of CO2. C) light . At t=120st=120 \mathrm{~s}t=120s, what is the magnitude of the acceleration a component is subjected to? Occurs in a plant cell: L, G, ETC, CC, CAC E) absorb more CO2 than the plants under the green light. The Pasteur effect shows that yeast consume glucose at a higher rate under anaerobic conditions than under aerobic conditions. a) forms NADPH to be used in the Calvin cycle. C) In photosynthesis, carbon dioxide is oxidized to form sugar, while in respiration, sugar is reduced to A student collected & tested the bubbles coming from the plant during this experiment. What provides electrons for the light reactions? E) All photosynthetic pigments are colored green. a. E) The release of energy by the excited electron can be as heat, light, or fluorescence. 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. D) The greenhouse effect will decrease the average temperature of the planet. C) yellow c) NADPH Produces O2: L D) photosystem I. pyruvate . . Change the absorbent regularly, on Monday morning for instance. C) provide energy to Photosystem I and Photosystem II. Turn off all gas flow when the machine is not in use. c) the production of sugars. c) a source of electrons for chemiosmosis. Formation of waste products in the form of O2. Which of the following statements regarding photosynthesis and cellular respiration are true? c) Carbon dioxide (CO2) 23) Carbon fixation A) play a role in glucose synthesis by plants. c. CO2 is needed to produce sugars in the Calvin cycle. 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. Container A is placed under normal sunlight, B under green light, and C under red light. . b) orange, red, and violet. Changing the enzyme's three-dimensional shape. 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. c) glucose, ADP, NADP+. The concentration of CO2 will decrease as plants use the energy in CO2 to produce ATP energy that cells use to make sugars. C) In photosynthesis, carbon dioxide is oxidized to form sugar, while in respiration, sugar is reduced to form carbon dioxide. D) Only photosystem I is found in the thylakoid membranes. Which of the following are produced during the Calvin cycle? C) eat other organisms that use light energy to make food molecules. Most of the biomass of the cut trees would be added to the atmosphere as CO2 within a few years. c) the Calvin cycle. a) a fuel for cellular respiration and a starting material for making other organic molecules. . Light energy is required to drive the transfer of the electrons to NADP+. Each preferentially absorbs slightly different wavelengths of light. 47) In photosynthesis, the chemiosmotic production of ATP A) electrons . b) a free, energized electron. c) ATP. What is the source of energy that provides the boost for electrons during photosynthesis? a) NADH b) FADH2 c) NADPH d) electrons from water and energy from sunlight. C) shuttle electrons along in a series of redox reactions. it accepts electrons to the electron transport chain. Carbon dioxide absorption is an appropriate indicator of photosynthesis because. C) regeneration of NADP+ Occurs when carbon atoms from CO2are incorporated into an organic molecule. Photoautotrophs A) make sugar by using organic raw materials. f1(x)=x,f2(x)=x2,f3(x)=4x3x2f _ { 1 } ( x ) = x , \quad f _ { 2 } ( x ) = x ^ { 2 } , \quad f _ { 3 } ( x ) = 4 x - 3 x ^ { 2 } 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. She placed one beaker in the shade and the other beaker beside a fluorescent lamp. CO2 enters and O2 escapes from a leaf via thylakoid membranes Expert Answer b) FADH2 C) couples the flow of H+ to the phosphorylation of NADP+. After reading the paragraph, answer the question(s) that follow. . B. a) forms NADPH to be used in the Calvin cycle. . c) have photosynthetic pigments. , t B) Burning fossil fuels release carbon dioxide that was removed from the atmosphere millions of years ago. A) stroma f. Pharyngotympanic (auditory) tube like ________ to the thylakoid compartment, generating a concentration gradient of ________. Involves the splitting of glucose: G D. CO is needed to produce sugars in the Calvin cycle. B) Photosynthesis is ultimately powered by light energy and respiration by the chemical energy of fuel 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) H2O. 1. c) phaser. NADPH How might global climate change affect the aquifer? Match the terms in column A with the descriptions in column B. B) Young trees fix carbon at a lower rate per unit mass than old trees. c) are found in the roots of plants. 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. 16) Which of the following statements concerning the role of redox reactions in photosynthesis and Determine whether the given set of versa. A) CO2. c) is found in the stroma. c) CO2. the Calvin cycle depends on products of the light reactions. 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) is embedded in the inner membrane of the chloroplast. Which of the following are produced during the Calvin cycle? A) CO2 is needed to produce sugars in the Calvin cycle. The containers are observed for a 24-hour period. D) food . Container A is placed under normal sunlight, B under green light, and C under red light. ________ cells in leaves are specialized for photosynthesis. You see the boy next door trying to push a crate down the sidewalk. C) three B) ethylene glycol You're conducting an experiment to determine the effect of different wavelengths of light on the stroma . Based on your knowledge of the process of photosynthesis, the plant in the container placed under red light would probably. Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator D) provides the cell with a supply of NADPH molecules. the wavelength increases as a plant is placed further away from a light source. A) ATP is not produced during photosynthesis, but only during respiration. B) chloroplasts; mitochondria 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. C) Photosystem I functions first in the sequence of steps that make up the light reactions. Within the chloroplast, the light reactions take place in the flattened sacs called thylakoids and the Calvin cycle takes place in the thick fluid called the stroma. 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. B) made worse by photosynthesis, which adds carbon dioxide to the atmosphere. 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. d) blue. 1) What is the name given to organisms that can make their own food and thus sustain themselves. What important fact does this argument ignore? B) ATP. Which of the following statements regarding transport across a plasma membrane is false? A) water. Shown here is the graph of the data for the beaker she placed beside the lamp. A) has P700 at its reaction center. C) They allow the plant to fix carbon more efficiently in dim or cool conditions. Based on your knowledge of the process of photosynthesis, the plant in the container placed under red light would probably A) absorb no CO2. D) ATP. A) NADPH is reduced to NADP+. Involves lights: L A) occurs when carbon atoms from CO2 are incorporated into an organic molecule. Match the following stages of cellular respiration and photosynthesis with the correct characteristics. a) NADH B) transports H+ ions from the stroma to the thylakoid space. A) Forests play too minor a role in global CO2 dynamics, which are affected far more by marine algae. E) is a result of the oxidation of glucose. Column B b) electrons from water and energy from ATP. D) provide energy for the Krebs cycle. a) quantum. B) thylakoid membranes Check all that apply d) An electron transport chain 51) To produce one glucose, the Calvin cycle needs to be run through ________ time(s). A) may be an evolutionary relic from when atmospheric O2 levels were low. D) mushrooms . C) is a source of oxygen for cellular respiration. After reading the paragraph, answer the question(s) that follow. Stores energy in a form that can drive cellular work. B) They allow the plant to fix carbon more efficiently under conditions of low atmospheric CO2. Carbon dioxide absorption is an appropriate indicator of photosynthesis because A) The greenhouse effect is reduced by deforestation. D) protects Earth from UV radiation. D) chlorophyll. B) plants produce oxygen gas by splitting CO 2. D) absorb more CO2 than the plants under the green light. 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. Does the distribution shown in the figure seem reasonable? Carbon dioxide initially combines with RuBP, and RuBP is regenerated to continue the Calvin cycle. Small aquatic plants are placed into three containers of water mixed with carbon dioxide. B) are found at the reaction center. C) stroma; thylakoids . B) CO 2 is needed to complete the light reactions. C) cellular respiration . What transports electrons from the light reactions to the Calvin cycle? rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease and vice Which of the following statements regarding photosynthesis and carbon dioxide is false? 45) In photophosphorylation, energy from electron flow is used to transport ________ from the Within the plant cell, the water is oxidized, meaning it loses electrons, while the carbon dioxide is reduced, meaning it gains electrons. The movement of H+ across a membrane down its concentration gradient, Carbon dioxide absorption is an appropriate indicator of photosynthesis because. E) protects Earth from UV radiation. D) production is associated with events taking place on the inner mitochondrial membrane. . What do CR and photosynthesis have in common? What does not occur during the Calvin Cycle? Container A is placed under normal sunlight, B under green light, and C under red light. B) are very different from those of cellular respiration. C) NADH The water to reverse flow from tank B to tank A. 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. Produces ATP: L, G, ET , CAC Plant cells are protected from the harmful effects of reactive oxidative molecules by. They help the plant conserve water and synthesize glucose efficiently under hot, dry conditions. 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) Most of the young trees would die within a few years. C) occurs during the light reactions. C) photophosphorylation. When the carbon dioxide concentration decreases, the color of the indicator solution also changes. c) absorbs light energy. Change absorbent whenever the color change indicates exhaustion. D) are found on the plasma membrane of mesophyll cells. c) glucose, ADP, NADP+. a) The light reactions occur in the thylakoid membranes, while the Calvin cycle occurs in the stroma. B) H+ . You're conducting an experiment 63) Which of the following statements about the greenhouse effect is true? A fuel for cellular respiration and a starting material for making other organic molecules. light a) they become reduced. nucleus Brainscape helps you realize your greatest personal and professional ambitions through strong habits and hyper-efficient studying. stroma. C) Most of the biomass of the cut trees would be added to the atmosphere as CO2 within a few years. C) is attributable to high CO2 levels. Estimate the mass of the crate. Then, he placed an aquatic plant in two of the test tubes, as shown below. D) requires the input of NADPH. moderated by photosynthesis, which removes carbon dioxide from the atmosphere. 57) Plants use sugars as C) reduced by the burning of fossil fuels, which removes oxygen from the atmosphere. 54) Photorespiration What important fact does this argument ignore? B) ATP. . According to this figure, how do H+ ions make their way from the stroma to the thylakoid interior? Which is the most immediate source of energy for making most of the ATP in your cells ? produce organic molecules from inorganic molecules. A) cyanobacteria in freshwater and marine ecosystems. Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator solution. color of the indicator solution also changes. E) uses noncyclic electron flow to capture energy in glucose. d) ATP, NADPH, O2, Which of the following are produced during the Calvin cycle? A) Chlorophyll a reflects green light. 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? . cellular respiration is true? . 200 seconds === minutes, seconds a) cellular respiration. The containers are observed for a 24-hour period. b. 61) It has been argued that cutting old-growth forests and replacing them with plantations of young trees C) carbon dioxide. The Which of the following are produced during the Calvin cycle? Occurs in an animal cell: G, CAC, ETC NADPH is used to reduce carbon during the Calvin cycle. 38) The energy that excites P680 and P700 is supplied by C) They allow the plant to fix carbon more efficiently in dim or cool conditions. . B) produce organic molecules from inorganic molecules. . form carbon dioxide. D) The greenhouse effect has no direct relationship with the Industrial Revolution of the 1800s. 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. She then systematically changed the distance from the beaker to the lamp. The light reactions occur in the ________, while the Calvin cycle occurs in the ________. A) a fuel for photosynthesis. 46) The chloroplast ATP synthase During photosynthesis, plants take in carbon dioxide (CO2) and water (H2O) from the air and soil. (One G3P leaves the cycle as an output. d) a starting material for the Calvin cycle. strategy? 13 Which of the following is an example of a photoautotroph? D) Excitation of the electrons is a very stable state. C) is done by the Calvin cycle. Which of the following statements regarding photosynthesis is false?
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