Column B 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. D) Green helps plants blend into their environment as a sort of camouflage. Exam 2 Flashcards | Chegg.com c) blue, red, and violet. C) NADH Change the absorbent regularly, on Monday morning for instance. D) In photosynthesis, carbon dioxide is reduced to form sugar, while in respiration, sugar is oxidized to . Kidney failure and decreased urine production are due to increased numbers of aquaporins. It occurs in presence of light so the term "photo" Here the plant uses carbon dioxide and it reacts with water to given glucose This is the initial step of a complex process leading to the formation of sugars. A) Chlorophyll a reflects green light. A) occurs when carbon and oxygen from CO2 are incorporated into an organic molecule. C) Chlorophyll b primarily uses green light as the source of energy for photosynthesis. c) glucose, ADP, NADP+. The concentration of CO2 will decrease as plants use it to energizes electrons in the electron transport system. A) ATP is not produced during photosynthesis, but only during respiration. absorption of carbon dioxide as an indicator of the rate of photosynthesis in aquatic ecosystems. In this drawing of a chloroplast, which structure represents the thylakoid membrane? . B) The greenhouse effect is exacerbated by the use of 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? 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. B) Each preferentially absorbs slightly different wavelengths of light. Container A is placed under normal sunlight, B under green light, and C under red light. B) is broken down by carbon dioxide. c) light. C) H in water; O in glucose C) eat other organisms that use light energy to make food molecules. Carbon dioxide absorption is an appropriate indicator of photosynthesis because:_________.A) CO2 is needed to complete the light reactions.B) The energy in CO2 is used to produce ATP and NADPH.C) Plants produce oxygen gas by splitting CO2.D) CO2 is needed to produce sugars in the Calvin cycle. the final electron acceptor is NADP+ and not oxygen. A) are located in the stroma. 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. B) grizzly bears in Alaska. . C) Most of the biomass of the cut trees would be added to the atmosphere as CO2 within a few years. How do the reaction centers of photosystem I and II differ? What is the source of energy that provides the boost for electrons during photosynthesis? Which of the following are produced during the light reactions of photosynthesis? A) chlorofluorocarbons Where is chlorophyll found in a plant cell? You've added an indicator to each solution. Think carefully about the fission process. B) The greenhouse effect is exacerbated by the use of fossil fuels. D) is embedded in the inner membrane of the chloroplast. B) produce organic molecules from inorganic molecules. 13 . What do CR and photosynthesis have in common? 49) Photosynthetic organisms derive their carbon from D) found throughout the leaf tissue. The containers are observed for a 24-hour period. D) the bottom of the electron transport chain. D) four, 64) Which of the following has been a major source of ozone destruction over the past 50 years? D) the final electron acceptor is NADP+ and not oxygen. 50) ATP and NADPH D) produces glucose. E) thylakoids; stroma. A) cyanobacteria in freshwater and marine ecosystems. d) photosystem I. At the same time other chemical changes may occur, which form additional colors through the development of red anthocyanin pigments. Which of the following statements regarding photosynthesis and cellular respiration are true? A) reduced by photosynthesis, which removes carbon dioxide from the atmosphere. . B CO2 is needed to produce sugars in the Calvin cycle . B) They allow the plant to fix carbon more efficiently under conditions of low atmospheric CO2. Less ATP is made under anaerobic conditions, so more glucose must be consumed to produce an equivalent amount of ATP. B) Chlorophyll a absorbs green light. What provides electrons for the light reactions? B) Each preferentially absorbs slightly different wavelengths of light. d) carbon monoxide. > >U bjbj 7 L T 8 $ , , ? c) have photosynthetic pigments. NADPH b) a fuel for photosynthesis. d) be inside a mitochondrion. 68 Carbon dioxide absorption is an appropriate indicator of Each preferentially absorbs slightly different wavelengths of light. . Plant leaves are also able to absorb and release water through the stomata. d) 3 CO2 a three-carbon molecule The light reactions take place in the _________ and the Calvin cycle takes place in the _________. Involves lights: L C) is done by the Calvin cycle. d) kinetic, Which of the following colors contributes the least energy to photosynthesis? . . Which of the following correctly identifies the structures labeled in Figure 8-2? b) the stoma. 3. (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).
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