carbon dioxide absorption is an appropriate indicator of photosynthesis because
26) Why are most plants green? PDF LAB ACTIVITY: GETTING TO KNOW CO - National Oceanic and Atmospheric C) regeneration of ATP is driven by a flow of protons through an ATP synthase. c) Even though it cannot carry out the light reactions, the plant can still produce sugars because the Calvin cycle does not require light. C) CO 2 is needed to produce sugars in the Calvin cycle. This transforms the water into oxygen and the carbon dioxide into glucose. D) the same as the equation for glycolysis written in reverse. C) cellular respiration Then, the students place the test tube under a light and slowly increase the temperature of the water. functions is linearly dependent or linearly independent on B) are very different from those of cellular respiration. The oxygen released into the air as a product of photosynthesis comes from. Change all absorbents, not just one canister in a two-canister system. D) photons. B) water. If the d) oxidation-reduction (redox) reactions, When chloroplast pigments absorb light, _____. During the growing season leaves take up carbon dioxide. the energy in CO 2 is used to produce ATP and NADPH. What are the electron's speed and energy in this state? D) Excitation of the electrons is a very stable state. C) carbon dioxide. molecules. C) is done by the Calvin cycle. A) Photosynthesis involves only reductions, while respiration involves only oxidations. D) mitochondria; chloroplasts 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. A) is a nucleic acid complex. Which of the following statements about the greenhouse effect is true? l. Tympanic membrane (eardrum) Why does the relationship between metabolic rate and temperature exist? Occurs in an animal cell: G, CAC, ETC NADP+ is required for photosynthesis because it _____. C) are inputs to the photosystems. What is the likely origin of chloroplasts? Which of the following is part of the light reaction? 35) How do the reaction centers of photosystem I and II differ? pH, Carbon Dioxide, and Alkalinity | SpringerLink B) They allow the plant to fix carbon more efficiently under conditions of low atmospheric CO2. Light energy is required to drive the transfer of the electrons to NADP+. She then systematically changed the distance from the beaker to the lamp. i. Stapes C) hydrocarbons. D) CO 2 is needed to complete the light reactions. When the carbon dioxide concentration decreases, the color of the indicator solution also changes. He can barely keep it moving, and his feet occasionally slip. The stomata open to absorb the carbon dioxide needed to perform photosynthesis. D) the final electron acceptor is NADP+ and not oxygen. The light reactions occur in the ________, while the Calvin cycle occurs in the ________. B) transports H+ ions from the stroma to the thylakoid space. 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. Carbon dioxide absorption is an appropriate indicator of photosynthesis You've added an indicator to each solution. D) Photosystem II does not transfer electrons from photons. d) the Calvin cycle is triggered. C) Chlorophyll b primarily uses green light as the source of energy for photosynthesis. . a) carbon dioxide. CO2 is needed to produce sugars in the Calvin cycle. Frontiers | Elevated-CO2 Response of Stomata and Its Dependence on Mitochondria differ from chloroplasts in that mitochondria. Destroying the H+ gradient that allows ATP synthase to work. A) It takes several minutes for the pigment electrons to become excited. Which is hotter-a red star or a blue star? B CO2 is needed to produce sugars in the Calvin cycle. A) light occurs when carbon atoms from CO2 are incorporated into an organic molecule. D) provide energy for the Krebs cycle. c) CO2 is needed to produce sugars in the Calvin cycle. The greenhouse effect is exacerbated by the use of fossil fuels. E) its enzymes are membrane-bound, D) the final electron acceptor is NADP+ and not oxygen. ) 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. 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 } E) is a result of the oxidation of glucose. A) Forests play too minor a role in global CO2 dynamics, which are affected far more by marine algae. Photosynthesis occurs in chloroplasts and cellular respiration occurs in mitochondria.This answer is correct. C) plants produce oxygen gas by splitting CO2. Compare Earth to Mars and list three similarities. d) fluorescence. D) releases CO2 as a by-product. d) electrons from water and energy from sunlight d. 1,000 minutes === hours. C) They allow the plant to fix carbon more efficiently in dim or cool conditions. 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) photons. d) blue. 50) ATP and NADPH 83) B) theenergy in CO2isused toproduce ATP and NADPH. Males: In the 7 th weekof development, the SRY gene on the Y chromosome activates anumber of genes, and the gonads develop as testes. Chlorophyll b and carotenoids A) are best at absorbing the energy of green light. You're conducting an experiment to determine the effect of different c) blue, red, and violet. 3) Which of the following is an example of a photoautotroph? d) couples the flow of H+ to the phosphorylation of ADP. . B) Photosynthesis involves only oxidations, while respiration involves only reductions. Chlorophyll is found in the __________ of chloroplasts. Name two environmental leaders associated with each of these philosophies. Turn off all gas flow when the machine is not in use. D) ultraviolet. A) oxygen. C) couples the flow of H+ to the phosphorylation of NADP+. c) Plants usually open their stomata at night. e. Membranous labyrinth 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. thylakoid membranes. because the light independent reaction decreases when there is less light rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease and vice D) chemiosmosis. For every six molecules of G3P produced, 3 CO2 enter the cycle. 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 What two molecules are produced by the light reactions and used to power the Calvin cycle? If the concentration of carbon dioxide is increased, the rate of photosynthesis will therefore increase. d) Carbon dioxide concentrations decrease at night. D) Photosynthesis produces O2; respiration produces CO2. a. NADPH is used to reduce carbon during the Calvin cycle. A) cellular respiration. a) NADH C) C6H12O6 + 6 O2 + sunlight 6 CO2 + 6 H2O. C) orange Bromthymol blue turns from blue to yellow in the presence of CO2. b) orange. Solved After reading the paragraph below, answer the | Chegg.com a) forms NADPH to be used in the Calvin cycle. a. 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. form carbon dioxide. c) they lose potential energy. A) mitochondria. C) a source of electrons for chemiosmosis. energy into the chemical energy of ATP. D) provides the cell with a supply of NADPH molecules. Cellular respiration and photosynthesis are similar in that both involve _____. ATP and NADPH A) play a role in glucose synthesis by plants. C) energy Mutation that introduces a different codon, resulting in a different amino acid. C) provide energy to Photosystem I and Photosystem II. nucleus. If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease and vice versa. stroma . The chloroplast ATP synthase The thylakoid membrane allows for hydrogen ions (H+) to be transported across, thus creating a charge separation. 62) The greenhouse effect is A) reduced by photosynthesis, which removes carbon dioxide from the atmosphere. It moves by diffusion through small holes in the underside of the leaf called stomata. d) 3 CO2 a three-carbon molecule Place the letter of your choice in the space provided. A student poured a solution of bromthymol blue indicator into three test tubes. Within the plant cell, the water is oxidized, meaning it loses electrons, while the carbon dioxide is reduced, meaning it gains electrons. If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease, and vice versa. D) helps transport H+ against the concentration gradient. c) phaser. Which of the following statements concerning the role of redox reactions in photosynthesis and cellular respiration is true? Plants appear green as they absorb these colors and reflect mostly green light. These sugar molecules contain the energy that living things need to survive. A) ATP is not produced during photosynthesis, but only during respiration. B) pigment. b. plants produce oxygen gas by splitting CO2. B) H2O. b) contain protein but not lipids B) Each preferentially absorbs slightly different wavelengths of light. D) chlorophyll, 14) If you expose a photosynthesizing plant to water that contains both radioactive H and radioactive O, g. Scala tympani D) the energy in CO2 is used to produce ATP and NADPH. d. the energy in CO2 is used to produce ATP and NADPH. 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. Wavelengths of light and photosynthetic pigments (article) | Khan Academy Formation of waste products in the form of O2. She counted the bubbles given off by the plants in each beaker. B) CO2 is needed to complete the light reactions. . D. CO is needed to produce sugars in the Calvin cycle. centers were inactivated by a toxin? C) have mitochondria but do not have chloroplasts. ; thylakoids. Which of the following statements regarding photosynthesis is false? Carbon dioxide is particularly influential in regulating pH. 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. C) kinetic The driving force behind electron transport chain is ____________. A) electrons . Plants use sugars as d) An electron transport chain it accepts electrons to the electron transport chain. D) In photosynthesis, carbon dioxide is reduced to form sugar, while in respiration, sugar is oxidized to form carbon dioxide. . b) FADH2 30) Plant cells are protected from the harmful effects of reactive oxidative molecules by d) kinetic, Which of the following colors contributes the least energy to photosynthesis? b) photon. D) Photosynthesis produces O2; respiration produces CO2. Match the terms in column A with the descriptions in column B. D) produces glucose. D) the energy in CO2 is used to produce ATP and NADPH. -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. . d) the membrane functions as a mitochondrial membrane but at night. B) absorb the same amount of CO2 as the plants under both the green light and normal sunlight. Produces O2: L When the carbon dioxide concentration decreases, the color of the indicator solution also changes. The containers are observed for a 24-hour period. B) ethylene glycol . C) In photosynthesis, carbon dioxide is oxidized to form sugar, while in respiration, sugar is reduced to Two turns of the Calvin cycle can lead to the production of one molecule of glucose as the three-carbon precursor, glyceraldehyde-3-phosphate, is produced with each turn of the cycle. ; stomata. C) Photosystem I functions first in the sequence of steps that make up the light reactions. D) Most of the young trees would die within a few years. You can specify conditions of storing and accessing cookies in your browser. A) are located in the stroma. D) The greenhouse effect has no direct relationship with the Industrial Revolution of the 1800s. form carbon dioxide. Why don't Calvin Cycle reactions occur during the night? a) NADPH recycling. You start to wonder how heavy the crate is. a. Bony labyrinth d) ATP, NADPH, O2, Which of the following are produced during the Calvin cycle? You've added an indicator to each solution. D) the final electron acceptor is NADP+ and not oxygen. B) lack mitochondria but have chloroplasts. 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. Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator B) is best at absorbing the energy of blue-violet and red light, just like chlorophyll a. food . 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? 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? d) be inside a mitochondrion. thylakoid membranes the wavelength increases as a plant is placed further away from a light source. What transports electrons from the light reactions to the Calvin cycle? c) CO2 is needed to produce sugars in the Calvin cycle. B) photosynthesis. A) is an evolutionary relic from when atmospheric O2 levels were low and did not interfere with rubisco. d) couples the flow of H+ to the phosphorylation of ADP. Amino Acids enter: G, CAC What is the role of NADP+ in photosynthesis? . E) protects Earth from UV radiation. A) absorb no CO2. . E) are found on the inner membrane of chloroplasts. A) it involves an electron transport chain. c) Carbon dioxide (CO2) Produces CO2: CAC B) CO2 is needed to complete the light reactions. E) The release of energy by the excited electron can be as heat, light, or fluorescence. Occurs when carbon atoms from CO2are incorporated into an organic molecule. 200 seconds === minutes, seconds Carbon dioxide absorption is an appropriate indicator of photosynthesis because ANSWER: 2is needed to complete the light reactions. ________ cells in leaves are specialized for photosynthesis. 17) What is the source of energy that provides the boost for electrons during photosynthesis? Photosynthesis - National Geographic Society b. a) electrons from carbon dioxide and energy from ATP. A) donation of excited electrons by chlorophyll a to a primary electron acceptor Based on this information, which part of cellular respiration would be stopped if arsenic were ingested? The light reactions take place in the _________ and the Calvin cycle takes place in the _________. In fermentation _____ is reduced and _____ is oxidized. because photosynthesis decreases as a plant is moved further away from a light source A) lack mitochondria and chloroplasts. Produces molecules of NADH: G, CAC Container A is placed under normal sunlight, B under green light, and C under red light. You are surprised to find that it is still alive when you return. c) potential. In recent decades, the CO 2 fertilizer (such as AGROSOL, a carbon dioxide gas fertilizer) was applied to promote field condition (open space). Increasing the distance from the light source decreased the rate of photosynthesis. When the carbon dioxide concentration decreases, the color of the indicator solution also changes. The electron transport chains of the light reactions A) are located in the stroma. C) H2O. containers are observed for a 24-hour period. D) Green helps plants blend into their environment as a sort of camouflage. 18) Which of the following statements regarding photosynthesis is false? C) shuttle electrons along in a series of redox reactions. . D) mushrooms . d) the energy in CO2 is used to produce ATP and NADPH. This site is using cookies under cookie policy . water . A) They help the plant conserve water and synthesize glucose efficiently under hot, dry conditions. Plants absorb carbon dioxide from the air, combine it with water and light, and make carbohydrates the process known as photosynthesis. Produces a net gain of 2 ATP: G D) include only the green plants. D) cristae. C) plants produce oxygen gas by splitting CO2. nuclear. 13 b) cytoplasm . What do CR and photosynthesis have in common? stroma. How do the reaction centers of photosystem I and II differ? D) Most of the food humans eat can be traced back to photosynthetic plants. The ATP and NADPH produced during the light reactions are necessary to provide energy and high-energy electrons for the Calvin cycle. B) Young trees fix carbon at a lower rate per unit mass than old trees. Kaleigh UTK Biology Chapt 7 Photosynthesis Practice Test - Quizlet A) carbon monoxide. Plant cells are protected from the harmful effects of reactive oxidative molecules by. What important fact does this argument What can you conclude about how the distance from a light source relates to the rate of photosynthesis? You have a large, healthy philodendron that you carelessly leave in total darkness while you are away on vacation. c) is found in the stroma. B) four The absorbed energy moves the electrons to a more energetic orbital. Glycolysis is the only stage of cellular respiration that requires _______ to make ______. This recombination of maternal and paternal genetic material is a key feature of meiosis. What is the source of energy that provides the boost for electrons during photosynthesis? Figure 5.5 Photosynthesis uses solar energy, carbon dioxide, and water to release oxygen to produce energy-storing sugar molecules. a) ADP, NADP+, O2. If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease and vice versa. B) carbon dioxide. E) absorb more CO2 than the plants under the green light. A student prepared two beakers with identical sprigs of a water plant as shown below. Which of the following correctly identifies the structures labeled in Figure 8-2? E) 6 CH2O + 5 O2 + sunlight CO2 + 2 H2O. Occurs in the chloroplast: CC, L light . 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 . 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. photosynthesis Flashcards | Quizlet A) photosynthetic prokaryotes that lived inside eukaryotic cells. D) They make it possible for the plant to use the Calvin cycle at night. C) a windmill. b) their electrons become excited. . c) ADP ATP. a) quantum. a) electromagnetic Since the Earth's atmosphere formed, it seems to have always contained carbon dioxide in varying amounts. solution. C) eat other organisms that use light energy to make food molecules. moderated by photosynthesis, which removes carbon dioxide from the atmosphere. , Why are there less air bubbles as the plant is place further away from the light source C) In photosynthesis, carbon dioxide is oxidized to form sugar, while in respiration, sugar is reduced to form carbon dioxide. D) is embedded in the inner membrane of the chloroplast. cool, moistc. Some stages may have more than one characteristic or share characteristics. NADPH c) electrons from carbon dioxide and energy from sunlight. B) electromagnetism B) are products of the Calvin cycle. D) break down H2O. B) supplies the cell with ATP. It occurs in presence of light so the term "photo" Here the plant uses carbon dioxide and it reacts with water to given glucose A packet of light energy is called a The Carbon dioxide is one of the reactants in photosynthesis. B) H in glucose; O in water 56) The ultimate source of all the food we eat and the oxygen we breathe is E) are used in the electron transport chain to pump H+ into the thylakoid space. E) They allow the plant to avoid photorespiration by producing a four-carbon sugar in place of glucose. 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) H in glucose and water; O in O2. You've added an indicator to each solution. Which of the following statements regarding photosynthesis and carbon dioxide is false? The primary function of light absorption by photosystems I and II is to produce _____. B) is of benefit to the plant since it breaks down rubisco. > >U bjbj 7 L T 8 $ , , ? ATP is not produced during photosynthesis, but only during cellular respiration. c) absorbs light energy. D) levels in the atmosphere have been steadily increasing in the past century. 37) In a photosystem, clusters of chlorophyll a, chlorophyll b, and carotenoid pigments function most E) of little concern, since it is part of the normal cycle for the planet. Carbon dioxide Plants get the carbon dioxide they need from the air through their leaves. You've added an indicator to each solution. two? They record their results and display them on a graph as shown. Sunlight is a type of ________ energy. Biology 1408 - Exam 3 - Chapter 7, 8, 9 Flashcards | Quizlet a) the enzymes involved require a lipid bound to their active site. D) chlorophyll. E) have chloroplasts and vestigial mitochondria. d) reduction of NADP+. 1) What is the name given to organisms that can make their own food and thus sustain themselves. grana . When the carbon dioxide concentration decreases, the B) Burning fossil fuels release carbon dioxide that was removed from the atmosphere millions of years ago. Small aquatic plants are placed into three containers of water mixed with carbon dioxide. Two turns b. Cochlear duct c) the production of sugars. would help to alleviate the threat of global greenhouse warming. Check all that apply The concentration of CO2 will decrease as plants use it in the light-dependent reactions. C) carotenoids. d) Glucose (C6H12O6) b) a fuel for photosynthesis. What important fact does this argument ignore? The sodium concentration in a cell is 10 times less than the concentration in the surrounding fluid. C) carbon dioxide A) H and O both in glucose Which of the following are photoautotrophs? D) provides the cell with a supply of NADPH molecules. 58) Plant cells What does not occur during the Calvin Cycle? CO2is needed to produce sugars in the Calvin cycle. What do plants do with the sugar they produce in photosynthesis. Unit 3 Study Guide Flashcards | Quizlet B) is broken down by carbon dioxide. What is the main adaptive advantage of the C4 and CAM photosynthesis strategies over the C3 strategy? E) helps transport H+ against the concentration gradient. . Which of the following are produced during the Calvin cycle?
