D) phaser. C) the top of the electron transport chain. B) supplies the cell with ATP. D) produces glucose. a) water splitting. b) methane. A student prepared two beakers with identical sprigs of a water plant as shown below. (SELECT ALL THAT APPLY.). Which of the following statements regarding photosynthesis and carbon dioxide is false? Which of the following are photoautotrophs? D) protects Earth from UV radiation. A) CO2. b) 6 CO2 glucose. Plants appear green as they absorb these colors and reflect mostly green light. c) the Calvin cycle. D) Most of the young trees would die within a few years. You've added an indicator to each solution. d) 3 CO2 a three-carbon molecule. B) ATP B) Each preferentially absorbs slightly different wavelengths of light. . If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease and vice versa. 3) Which of the following is an example of a photoautotroph? A) has P700 at its reaction center. C) occurs during the light reactions. CO2is needed to produce sugars in the Calvin cycle. d) be inside a mitochondrion. The primary function of light absorption by photosystems I and II is to produce _____. The light reactions occur in the ________, while the Calvin cycle occurs in the ________. c) Photosystem II does not transfer electrons from photons. B) ATP. b) The Calvin cycle depends on products of the light reactions. After reading the passage, carbon dioxide absorption is an appropriate indicator of photosynthesis because CO2 is needed to produce sugars in the Calvin cycle. solution. Guard cells. D) catalyze the incorporation of carbon atoms into RuBP. functions is linearly dependent or linearly independent on B) Each preferentially absorbs slightly different wavelengths of light. ) CO2 enters and O2 escapes from a leaf via 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. Plants use sugars as : grana . 33) Which of the following photosynthetic pigments can be found at the photosystem reaction center? covalent bonds between the sugar of one nucleotide and the phosphate of the next, -contains a haploid number of genes -is unlike any other gamete. d) blue. produce organic molecules from inorganic molecules. Sunlight is a type of ________ energy. B) H2O. NADPH is an electron carrier that picks up electrons in the light reactions and releases them in the Calvin cycle. D) ATP, NADPH, O2, 21) Which of the following is part of the light reaction? Males: In the 7 th weekof development, the SRY gene on the Y chromosome activates anumber of genes, and the gonads develop as testes. 26) Why are most plants green? C) The greenhouse effect will decrease the average temperature of the planet. D) pass absorbed energy to chlorophyll a. B) are products of the Calvin cycle. D) the final electron acceptor is NADP+ and not oxygen. 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. Two turns D) aerobic respiration. This is the initial step of a complex process leading to the formation of sugars. C) cytoplasm . a) CO2 is needed to complete the light reactions. Brainscape helps you realize your greatest personal and professional ambitions through strong habits and hyper-efficient studying. D) chlorophyll. D) Green helps plants blend into their environment as a sort of camouflage. . Then, the students place the test tube under a light and slowly increase the temperature of the water. B) H+ . 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. Which of the following is an example of a photoautotroph? C) ATP, NADPH, O2 C) Photosynthesis consumes CO2; respiration consumes O2. 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? D) are used in the electron transport chain to pump H+ into the thylakoid space. Then, he placed an aquatic plant in two of the test tubes, as shown below. C) is a source of oxygen for cellular respiration. Which of the following colors contributes the least energy to photosynthesis? Carbon dioxide absorption is an appropriate indicator of photosynthesis because C) They allow the plant to fix carbon more efficiently in dim or cool conditions. d) fluorescence. In addition, glyceraldehyde-3-phosphate (G3P), a three-carbon molecule, is shunted off the cycle for glucose synthesis. occurs when carbon atoms from CO2 are incorporated into an organic molecule. On one strand of DNA, one nucleotide is linked to the next through _____. C) Most of the biomass of the cut trees would be added to the atmosphere as CO2 within a few years. You've added an indicator to each solution. A) play a role in glucose synthesis by plants. What are by-products of cellular respiration? A) water. , t D) Photosynthesis produces O2; respiration produces CO2. 7) ________ cells in leaves are specialized for photosynthesis. d) When light energy is not available, plants can derive energy from inorganic molecules. e) Chlorophyll. light would probably b) helps produce ATP from the light reactions. Carbon dioxide initially combines with RuBP, and RuBP is regenerated to continue the Calvin cycle. Amino Acids enter: G, CAC Bromthymol blue turns from blue to yellow in the presence of CO2. . 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. He can barely keep it moving, and his feet occasionally slip. Photosynthetic organisms derive their carbon from . C) is done by the Calvin cycle. B) the breaking of glucose bonds. A) concentrated in a zone of leaf tissue called the mesophyll. a) carbon dioxide. D) are found on the plasma membrane of mesophyll cells. ; stomata. light . How do the reaction centers of photosystem I and II differ? c) NADPH Plants use sugars as A) a fuel for photophosphorylation. 4) Autotrophs that utilize light as their energy source are. What two molecules are produced by the light reactions and used to power the Calvin cycle? A) one D) is embedded in the inner membrane of the chloroplast. E) Burning wood contributes more to acid rain than burning fossil fuels. 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? What provides electrons for the light reactions? Which of the following statements regarding photosynthesis and cellular respiration are true? A) chemical . . C) a windmill. Plants, on the other hand, are experts at capturing light energy and using it to make sugars through a process called photosynthesis. a) hydrocarbons. A) carbon fixation A student prepared two beakers with identical sprigs of a water plant as shown below. D) mitochondria; chloroplasts Mitochondria differ from chloroplasts in that mitochondria. stroma . 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. Which of the following equations represents photosynthesis? The containers are observed for a 24-hour period. A) The greenhouse effect is reduced by deforestation. In recent decades, the CO 2 fertilizer (such as AGROSOL, a carbon dioxide gas fertilizer) was applied to promote field condition (open space). When chloroplast pigments absorb light, their electrons become excited. E) CO2 energizes electrons in the electron transport system 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. . thylakoid membranes. A) quantum. Which of the following statements describes what happens in the photosystems? D) They make it possible for the plant to use the Calvin cycle at night. Why? d) the energy in CO2 is used to produce ATP and NADPH. A) CO2 is needed to produce sugars in the Calvin cycle. A fuel for cellular respiration and a starting material for making other organic molecules. 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. CO2 is needed to produce sugars in the Calvin cycle. Absorb more CO2than the plants under the green light. Which of the following are produced during the light reactions of photosynthesis? D) releases CO2 as a by-product. At some point, another. C) NADP+ is reduced to NADPH. A) Forests play too minor a role in global CO2 dynamics, which are affected far more by marine algae. 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. (One G3P leaves the cycle as an output. A) inner membrane; outer membrane b) contain protein but not lipids photosynthetic prokaryotes that lived inside eukaryotic cells, Photophosphorylation during photosynthesis differs from oxidative phosphorylation during cellular respiration in that. a) Each preferentially absorbs slightly different wavelengths of light. versa. c) glucose, ADP, NADP+. Distinguish between utilitarian conservation and biocentric preservation. C) is done by the Calvin cycle. D) Only photosystem I is found in the thylakoid membranes. C) stroma; thylakoids Plants absorb carbon dioxide from the air, combine it with water and light, and make carbohydrates the process known as photosynthesis. Carbon is stored in the living biomass. C) three Why don't Calvin Cycle reactions occur during the night? Formation of waste products in the form of O2. 63) Ozone consists of ________ oxygen atom(s). C) They allow the plant to fix carbon more efficiently in dim or cool conditions. j. Tectorial membrane 46) The chloroplast ATP synthase 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. the Calvin cycle depends on products of the light reactions. B) The greenhouse effect is exacerbated by the use of fossil fuels. If the D) the energy in CO 2 is used to produce ATP and NADPH. B) a fuel for photosynthesis. b) a fuel for photosynthesis. In glycolysis, . is oxidized and .. is reduced. a) cellular respiration. 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. The driving force behind electron transport chain is ____________. Normal human gametes carry ____ chromosomes. C) yellow d) ATP, NADPH, O2, Which of the following are produced during the Calvin cycle? 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. A) They help the plant conserve water and synthesize glucose efficiently under hot, dry conditions. B) four C) light . A) Chlorophyll a reflects green light. B) lack mitochondria but have chloroplasts. What do CR and photosynthesis have in common? She placed one beaker in the shade and the other beaker beside a fluorescent lamp. c) CO2 is needed to produce sugars in the Calvin cycle. The thylakoid membrane allows for hydrogen ions (H+) to be transported across, thus creating a charge separation. B) couples the flow of H+ to the phosphorylation of ADP. versa. B) Photosynthesis involves only oxidations, while respiration involves only reductions. A student exposed two plants to only red light and two plants to only green light. C) kinetic 13) Which of the following molecules is both a reactant and a product of photosynthesis? Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator solution. A) It takes several minutes for the pigment electrons to become excited. If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease and vice versa. A) mitochondria. A) are located in the stroma. What provides electrons for the light reactions? stroma. Plants perform both photosynthesis and cellular respiration. Change absorbent whenever the color change indicates exhaustion. A) photosynthetic prokaryotes that lived inside eukaryotic cells. . Match the following stages of cellular respiration and photosynthesis with the correct characteristics. B) absorb the same amount of CO2 as the plants under both the green light and normal sunlight. Carbon dioxide absorption is an appropriate indicator of photosynthesis because NADPH is used to reduce carbon during the Calvin cycle. 37) In a photosystem, clusters of chlorophyll a, chlorophyll b, and carotenoid pigments function most absorb more CO2 than the plants under the green light. Container A is placed under normal sunlight, B under green light, and C under red light. d) Glucose (C6H12O6) B) The greenhouse effect is exacerbated by the use of fossil fuels. A) They help the plant conserve water and synthesize glucose efficiently under hot, dry conditions. C) NADH C) regeneration of NADP+ E) uses noncyclic electron flow to capture energy in glucose. A) Chlorophyll a reflects green light. B) powers the process of glucose synthesis by supplying the cell with ATP. B) produce organic molecules from inorganic molecules, Which of the following is an example of a photoautotroph? Less ATP is made under anaerobic conditions, so more glucose must be consumed to produce an equivalent amount of ATP. The containers are observed for a 24-hour period. A) glucose, ADP, NADP+ During what phase of meiosis does recombination occur? B) a propeller on a motorboat. You are surprised to find that it is still alive when you return. Plant cells are protected from the harmful effects of reactive oxidative molecules by. B) photosynthesis. rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease and vice 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. Arsenic is a poison that binds to a molecule needed to build acetyl CoA. C) Photosystem I functions first in the sequence of steps that make up the light reactions. You've added an indicator to each solution. B) Each preferentially absorbs slightly different wavelengths of light. This is why plants need to take in carbon dioxide. CO2 provides the carbon atoms that are incorporated into sugars in photosynthesis. 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. Change all absorbents, not just one canister in a two-canister system. a) NADH A redox reaction involves the transfer of. ATP is not produced during photosynthesis, but only during cellular respiration. B) NADPH is oxidized to NADP+. molecules. light B) CO2 is needed to complete the light reactions. C) Pigments only lose energy in the excitation process. chlorophyll a? B) concentrated in the stomata. C) carbon dioxide strategy? E) is a result of the oxidation of glucose. C) carotenoids. Which plant should grow better? C) plants produce oxygen gas by splitting CO2. b) electrons from water and energy from ATP. D) photons. a) electrons from carbon dioxide and energy from ATP. cyanobacteria in freshwater and marine ecosystems, Autotrophs that utilize light as their energy source are. 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. . B) donation of excited electrons by chlorophyll b to a primary electron acceptor B) made worse by photosynthesis, which adds carbon dioxide to the atmosphere. Chlorophyll is found in the __________ of chloroplasts. 53) The addition of oxygen instead of carbon dioxide to RuBP results in Plant roots and leaves absorb water, which reacts with carbon dioxide using energy from light as the catalyst. Determine whether the given set of containers are observed for a 24-hour period. 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. 59) Global warming due to the greenhouse effect may be Where is chlorophyll found in a plant cell? Container A is placed under normal sunlight, B under green light, and C under red light. d. the energy in CO2 is used to produce ATP and NADPH. C) an electron. C) H+ . If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease, and vice versa. D) provides the cell with a supply of NADPH molecules. B) They allow the plant to fix carbon more efficiently under conditions of low atmospheric CO2. A) electromagnetic Correct Answer: CO2 is needed to produce sugars in the Calvin cycle. Carbon dioxide Plants get the carbon dioxide they need from the air through their leaves. ________ cells in leaves are specialized for photosynthesis. Most commonly, a vapor-coolant is used on \rule{1cm}{1pt} injuries, and \rule{1cm}{1pt} and \rule{1cm}{1pt} strains. c) ADP ATP. Elevated atmospheric carbon dioxide concentration (elevated CO 2) is a major component of climate change. B) plants produce oxygen gas by splitting CO 2. What is the main adaptive advantage of the C4 and CAM photosynthesis strategies over the C3 strategy? C) CO 2 is needed to produce sugars in the Calvin cycle. g. Scala tympani The characteristic rotational energy E0rE_{0 \mathrm{r}}E0r for the rotation of a N2\mathrm{N}_2N2 molecule is 2.48104eV2.48 \times 10^{-4} \mathrm{eV}2.48104eV. E) of little concern, since it is part of the normal cycle for the planet. e) RuP. Carbon dioxide absorption is an appropriate indicator of photosynthesis because CO2 is needed to produce sugars in the Calvin cycle. Based on your knowledge of the process of photosynthesis, the plant in the container placed under red light would probably. Turn off all gas flow when the machine is not in use. A) may be an evolutionary relic from when atmospheric O2 levels were low. C) reduced by the burning of fossil fuels, which removes oxygen from the atmosphere. The Calvin cycle constructs ________, an energy-rich molecule that a plant cell can then use to make glucose or other organic molecules. These sugar molecules contain the energy that living things need to survive. 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. You have a large, healthy philodendron that you carelessly leave in total darkness while you are away on vacation. d) kinetic, Which of the following colors contributes the least energy to photosynthesis? . it accepts electrons to the electron transport chain. Plant leaves are also able to absorb and release water through the stomata. What important fact does this argument ignore? She then systematically changed the distance from the beaker to the lamp. Carbon dioxide is particularly influential in regulating pH. a) The light reactions occur in the thylakoid membranes, while the Calvin cycle occurs in the stroma. A) pass energy to the reaction center. . b) glucose, ADP, NADP+, CO2. In this drawing of a chloroplast, which structure represents the thylakoid membrane? . E) a fuel for cellular respiration and a starting material for making other organic molecules. C) ADP, NADP+, O2 A) It takes several minutes for the pigment electrons to become excited. Tube within cochlea containing spiral organ and endolymph. Small aquatic plants are placed into three containers of water mixed with carbon dioxide. D) CO 2 is needed to complete the light reactions. b. Cochlear duct B) transports H+ ions from the stroma to the thylakoid space. 2) Carbon dioxide absorption is an appropriate indicator of photosynthesis because c) Even though it cannot carry out the light reactions, the plant can still produce sugars because the Calvin cycle does not require light. 83) B) theenergy in CO2isused toproduce ATP and NADPH. 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. A) requires oxygen. B) energy is stored in the form of a proton concentration difference. The absorbed energy moves the electrons to a more energetic orbital. 47) In photosynthesis, the chemiosmotic production of ATP semi-tropicald. Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator solution. Container A is placed under normal sunlight, B under green light, and C under red light. b) absorb electrons. You could distinguish a granum from an inner mitochondrial membrane because the granum, but not the inner mitochondrial membrane, would _____. C) absorb the same amount of CO2 as the plants under the green light.
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