CO2 enters and O2 escapes from a leaf via. Carbon dioxide absorption is an appropriate indicator of photosynthesis because A) CO2 is needed to produce sugars in the Calvin cycle. b) a free, energized electron. 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 } D) absorb less CO2 than the plants under green light. . D) protects Earth from UV radiation. E) All photosynthetic pigments are colored green. 3) Which of the following is an example of a photoautotroph? The Calvin cycle constructs ________, an energy-rich molecule that a plant cell can then use to make glucose or other organic molecules. B) powers the process of glucose synthesis by supplying the cell with ATP. form carbon dioxide. Carbon dioxide Plants get the carbon dioxide they need from the air through their leaves. 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. B) concentrated in the stomata. Disrupting microfilament formation would affect the it is difficult to observe individual chromosomes during interphase because, they are in the form of long, thin strands and have not condensed yet. 57) Plants use sugars as b) glucose, ADP, NADP+, CO2. A) occurs when carbon and oxygen from CO2 are incorporated into an organic molecule. stroma. NADP+ is reduced during the light reactions, and these electrons are later used to reduce CO2 to glucose in the Calvin cycle. . a) quantum. E) its enzymes are membrane-bound, D) the final electron acceptor is NADP+ and not oxygen. ) A) It takes several minutes for the pigment electrons to become excited. B) They allow the plant to fix carbon more efficiently under conditions of low atmospheric CO2. | : : O " ) " e 0 . E) Burning wood contributes more to acid rain than burning fossil fuels. B) the breaking of glucose bonds. After reading the paragraph, answer the question(s) that follow. A) Plants require carbon dioxide, water, and sunlight to make glucose. C) is a source of oxygen for cellular respiration. The greenhouse effect is exacerbated by the use of fossil fuels. The light reactions of photosynthesis use _____ and produce _____. . C) plants produce oxygen gas by splitting CO 2. Solved After reading the paragraph below, answer the | Chegg.com chlorophyll a? c) they lose potential energy. hair color. E) The principal electron carrier in photosynthesis is NADPH; the principal electron carrier in respiration is NADH. This site is using cookies under cookie policy . d) couples the flow of H+ to the phosphorylation of ADP. D) aerobic respiration. A) formation is promoted by CFCs. Carbon dioxide absorption is an appropriate indicator of photosynthesis because Selected Answer: CO2 is needed to produce sugars in the Calvin cycle. 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? c) have photosynthetic pigments. E) CO2 energizes electrons in the electron transport system d) the energy in CO2 is used to produce ATP and NADPH. B) H2O. B) Young trees fix carbon at a lower rate per unit mass than old trees. c) NADPH Plants appear green as they absorb these colors and reflect mostly green light. A) CO2. 49) Photosynthetic organisms derive their carbon from What transports electrons from the light reactions to the Calvin cycle? D) Photosynthesis produces O2; respiration produces CO2. Photosynthesis and cellular respiration both contain electron transport chains.This answer is correct. Because the Calvin cycle requires CO2 to produce sugars, carbon dioxide absorption is an appropriate indicator of photosynthesis. 36) Clusters of light-gathering pigments in a photosystem c) blue, red, and violet. C) yellow (SELECT ALL THAT APPLY.). thylakoid membranes. 6) In most green plants, chloroplasts are. The ultimate source of all the food we eat and the oxygen we breathe is. The full range of electromagnetic energy is called the ________ spectrum. The containers are observed for a 24-hour period. E) are only found on land. B) produce organic molecules from inorganic molecules, Which of the following is an example of a photoautotroph? 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? 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. In muscle cells, fermentation produces ____ lactate and NAD+ In fermentation _____ is reduced and _____ is oxidized. . NADPH is used to reduce carbon during the Calvin cycle. d) electrons from water and energy from sunlight b) plants produce oxygen gas by splitting CO2. CO2is needed to produce sugars in the Calvin cycle. or three? Why? You're conducting an experiment to determine the effect of different wavelengths of light on the A) Chlorophyll a reflects green light. H+ When the carbon dioxide concentration decreases, the color of the indicator solution also changes. CO2 enters and O2 escapes from a leaf via The ATP and NADPH produced during the light reactions are necessary to provide energy and high-energy electrons for the Calvin cycle. B) photorespiration. Carbon dioxide absorption is an appropriate indicator of photosynthesis because See answer Advertisement AsiaWoerner The process of formation of sugar or carbohydrate by plants is known as photosynthesis. Which of the following graphs represents the effect of increasing light intensity on the rate of photosynthesis? Photosynthesis - National Geographic Society B) a propeller on a motorboat. What does not occur during the Calvin Cycle? d) carbon monoxide. . C) provide energy to Photosystem I and Photosystem II. Each preferentially absorbs slightly different wavelengths of light. D) have mitochondria and chloroplasts. light would probably A plant that uses CAM photosynthesis is most likely to be successful in what type of environment?a. 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. How many "turns" of the Calvin Cycle are required to produce 1 molecule of glucose? . D) Photosystem II does not transfer electrons from photons. Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator solution. . stroma . Based on your knowledge of the process of photosynthesis, the plant in the container placed under red light would probably. b) 6 CO2 glucose. (a) When cooled, the densities of most objects (1) increase, (2) decrease, (3) stay the same. C) Because of their short growth period and self-regeneration, willows are more viable as a source of potential powerthan the trees in most natural forests. D) provides the cell with a supply of NADPH molecules. E) are found on the inner membrane of chloroplasts. Biology 20 Exam 2 Review Flashcards | Quizlet 37) In a photosystem, clusters of chlorophyll a, chlorophyll b, and carotenoid pigments function most Chapter 7 complied questions Flashcards | Quizlet 48) Mitochondria transfer ________ energy from ________ to ATP; chloroplasts transform ________ When chloroplast pigments absorb light, their electrons become excited. The electron transport chains of the light reactions A) are located in the stroma. b) Chlorophyll a is found in photosystem I and chlorophyll b in photosystem II. Why does the relationship between metabolic rate and temperature exist? C) Photosynthesis consumes CO2; respiration consumes O2. B) Burning fossil fuels release carbon dioxide that was removed from the atmosphere millions of years ago. How do the reaction centers of photosystem I and II differ? C) In photosynthesis, carbon dioxide is oxidized to form sugar, while in respiration, sugar is reduced to form carbon dioxide. 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 Mitochondria differ from chloroplasts in that mitochondria. You call to ask the boy his mass, and he replies "50 kg." C) have mitochondria but do not have chloroplasts. the interval (,)(-\infty, \infty)(,). 7) ________ cells in leaves are specialized for photosynthesis. 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. D) the energy in CO2 is used to produce ATP and NADPH. A) ATP is not produced during photosynthesis, but only during respiration. CO2 is needed to produce sugars in the Calvin cycle. What type of gas would you expect to find in these bubbles? Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator solution. Plant roots and leaves absorb water, which reacts with carbon dioxide using energy from light as the catalyst. Which of the following are produced during the light reactions of photosynthesis? d) be inside a mitochondrion. d) forms part of photosystem II. In simple summary form, the input of the Calvin cycle for every product is _____, and the output is _____ used for glucose synthesis. thylakoid membrane b) contain protein but not lipids What important fact does this argument B) H+ . Which part of the ATP molecule breaks free of the rest when an ATP molecule is used for energy? B) chlorophyll. d) G3P. ; stomata. The plants in the red light because chlorophyll absorbs red light. 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? D) found throughout the leaf tissue. Column B semi-tropicald. B) shuttle electrons along in a series of redox reactions. B) passes electrons to photosystem I. What quantum number of the hydrogen atom comes closest to giving a 500-nm-diameter electron orbit? h. Scala vestibuli B) Photosynthesis involves only oxidations, while respiration involves only reductions. What do plants do with the sugar they produce in photosynthesis. See Page 1. Carbon dioxide absorption is an appropriate indicator of photosynthesis D) include only the green plants. because photosynthesis decreases as a plant is moved further away from a light source 19) The light reactions occur in the ________, while the Calvin cycle occurs in the ________. grana. Which of the following colors contributes the least energy to photosynthesis? Improve Plant Photosynthesis by a New Slow-Release Carbon Dioxide Gas B) water. C) carotenoids. c) have photosynthetic pigments. d) ATP, NADPH, O2, Which of the following are produced during the Calvin cycle? The light reactions occur in the ________, while the Calvin cycle occurs in the ________. We do not see the absorbed wavelengths, only those that are reflected. She placed one beaker in the shade and the other beaker beside a fluorescent lamp. 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) Forests play too minor a role in global CO2 dynamics, which are affected far more by marine algae. a) Each preferentially absorbs slightly different wavelengths of light. B) pigment. Container A is placed under normal sunlight, B under green light, and C under red light. The photosystems absorb solar energy and pass that energy to the mitochondria. Formation of waste products in the form of O2. . Biology 1408 - Exam 3 - Chapter 7, 8, 9 Flashcards | Quizlet Carbon dioxide initially combines with RuBP, and RuBP is regenerated to continue the Calvin cycle. A) it involves an electron transport chain. E) is a result of the oxidation of glucose. . (b) By what percentage does the density of a bowling ball change (assuming it is a uniform sphere) when it is taken from room temperature (68F)\left(68^{\circ} \mathrm{F}\right)(68F) into the cold night air in Nome, Alaska (40F).\left(-40^{\circ} \mathrm{F}\right) .(40F). Most of the biomass of the cut trees would be added to the atmosphere as CO2 within a few years. a) ATP. A) G3P Small aquatic plants are placed into three containers of water mixed with carbon dioxide. 47) In photosynthesis, the chemiosmotic production of ATP Which of the following are photoautotrophs? d) reduction of NADP+. Change all absorbents, not just one canister in a two-canister system. ATP. A) absorb no CO2. b) electrons from water and energy from ATP. C) is attributable to high CO2 levels. Light energy is required to drive the transfer of the electrons to NADP+. Energy is never created or destroyed. Males: In the 7 th weekof development, the SRY gene on the Y chromosome activates anumber of genes, and the gonads develop as testes. 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) Even though it cannot carry out the light reactions, the plant can still produce sugars because the Calvin cycle does not require light. > >U bjbj 7 L T 8 $ , , ? 18) Which of the following statements regarding photosynthesis is false? Which figure depicts an animal cell placed in a solution hypotonic to the cell? rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease and vice 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). FADH2 shuttles electrons to the electron transport chain: CAC structure C According to this figure, how do H+ ions make their way from the stroma to the thylakoid interior? 17) What is the source of energy that provides the boost for electrons during photosynthesis? NADH The light reactions of photosynthesis use _____ and produce _____. Where is chlorophyll found in a plant cell? A) oxygen. A student prepared two beakers with identical sprigs of a water plant as shown below. Kidney failure and decreased urine production are due to increased numbers of aquaporins. D) red. The electron transport chains of the light reactions. . Convert: What are the electron's speed and energy in this state? B) electromagnetism . Chapter 7 cramming Flashcards | Quizlet 63) Ozone consists of ________ oxygen atom(s). At the same time other chemical changes may occur, which form additional colors through the development of red anthocyanin pigments. D) is a result of the oxidation of glucose. d) Photosystem I functions first in the sequence of steps a) Each preferentially absorbs slightly different wavelengths of light. -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. C) energy like Which of the following are produced during the Calvin cycle? What is the likely origin of chloroplasts? kinetic C) NADP+ is reduced to NADPH. produce organic molecules from inorganic molecules. d) blue, green, and orange. D) photosystem I. Does the distribution shown in the figure seem reasonable? 40) As a result of the cascade of electrons down the electron transport chains of the light reactions, C) H2O. You see the boy next door trying to push a crate down the sidewalk. Solved Saved Question 1 (2 points) You're conducting an | Chegg.com 38) The energy that excites P680 and P700 is supplied by D) ultraviolet. b) the release of O2 into the atmosphere. respiration in that E) protects Earth from UV radiation. CO2 provides the carbon atoms that are incorporated into sugars in photosynthesis. d) fluorescence. Change absorbent whenever the color change indicates exhaustion. You're conducting an experiment to determine the effect of different b) chemiosmosis can occur across the thylakoid membrane. b) their electrons become excited. Which of the following statements about the absorption of photons by pigment molecules is true? b. Cochlear duct 4) Autotrophs that utilize light as their energy source are. photosynthetic prokaryotes that lived inside eukaryotic cells, Photophosphorylation during photosynthesis differs from oxidative phosphorylation during cellular respiration in that. c) are found in the roots of plants. Solved After reading the paragraph below, answer the | Chegg.com Think carefully about the fission process. b. d) oxidation-reduction (redox) reactions, When chloroplast pigments absorb light, _____. D) mitochondria; chloroplasts 31) A packet of light energy is called a 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. A) donation of excited electrons by chlorophyll a to a primary electron acceptor Occurs in the cytosol: G 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) Carbon dioxide (CO2) true or false: organisms on earth are currently classified first as either plant or animal. B) are found at the reaction center. Factors affecting photosynthesis - carbon dioxide and temperature D) methane. Arsenic is a poison that binds to a molecule needed to build acetyl CoA. ; thylakoids. A) visible These sugar molecules contain the energy that living things need to survive. . . a) ADP, NADP+, O2. D) nuclear, 25) The full range of electromagnetic energy is called the ________ spectrum. Container A is placed under normal sunlight, B under green light, and C under red light. A) glucose, ADP, NADP+ E) The release of energy by the excited electron can be as heat, light, or fluorescence. Which of the following are produced during the Calvin cycle? E) of little concern, since it is part of the normal cycle for the planet. C) cytoplasm . D) produces glucose. C) the top of the electron transport chain. A) CO2. B) chloroplasts; mitochondria The other five remain and are rearranged to form RuBP.) c) light. This transforms the water into oxygen and the carbon dioxide into glucose. D) cristae. Carbon dioxide is particularly influential in regulating pH. E) thylakoids; stroma d. 1,000 minutes === hours. During the growing season leaves take up carbon dioxide. 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? H+ Plants use sugars as : . 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. 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. You start to wonder how heavy the crate is. C) H in water; O in glucose light B) The greenhouse effect is exacerbated by the use of fossil fuels. Small aquatic plants are placed into three containers of water mixed with carbon dioxide. Some stages may have more than one characteristic or share characteristics. D) the energy in CO 2 is used to produce ATP and NADPH. functions is linearly dependent or linearly independent on E) Photosystem II does not transfer electrons from photons. 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. food . d. Malleus b) photon. B) potential d) the Calvin cycle is triggered. . B) glucose C) H2O. containers are observed for a 24-hour period. The stomata open to absorb the carbon dioxide needed to perform photosynthesis. D) eight, 52) The Calvin cycle constructs ________, an energy-rich molecule that a plant cell can then use to C) cellular respiration C) light . A) ATP is not produced during photosynthesis, but only during respiration. cellular respiration and photosynthesis pract, Biology | Unit 2 Review | Classification, Evo, 5. organisaiton: plant organisation: Transpir, Michelle Provost-Craig, Susan J. 5.1: Overview of Photosynthesis - Concepts of Biology - 1st Canadian Tube 2 will turn yellow as carbon dioxide is produced during cellular respiration. pyruvate . B) absorb the same amount of CO2 as the plants under both the green light and normal sunlight. C) six After reading the paragraph, answer the question(s) that follow. B) a fuel for photosynthesis.

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