A) electrons passing down the electron transport chain. D) NADPH. The ultimate source of all the food we eat and the oxygen we breathe is. d) couples the flow of H+ to the phosphorylation of ADP. C) H in water; O in glucose d) electromagnetism. absorb more CO2 than the plants under the green light. Hints You've added an indicator to each solution. If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease, and vice versa. D) of little concern, since it is part of the normal cycle for the planet. Which of the following statements regarding photosynthesis is false? C) absorb less CO2 than the plants under green light. 54) Photorespiration B) four D) chlorophyll. b) orange. It is often too cold at night for these reactions to take place. Based on this information, which part of cellular respiration would be stopped if arsenic were ingested? hair color. b) nuclear. A) oxygen. C) H2O. 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. When the carbon dioxide concentration decreases, the color of the indicator solution also changes. If you shut off the system and pressure was no longer applied to tank A, you would expect Small aquatic plants are placed into three containers of water mixed with carbon dioxide. d) 3 CO2 a three-carbon molecule electrons B) CO2 is needed to complete the light reactions. Why? grana . A) CO2. 18) Which of the following statements regarding photosynthesis is false? 55) What is the main adaptive advantage of the C4 and CAM photosynthesis strategies over the C3 Distinguish between utilitarian conservation and biocentric preservation. The containers are observed for a 24-hour period. or three? You're conducting an experiment to determine the effect of different wavelengths of light on the Stores energy in a form that can drive cellular work. Which of the following graphs represents the effect of increasing light intensity on the rate of photosynthesis? . Because the Calvin cycle requires CO2 to produce sugars, carbon dioxide absorption is an appropriate indicator of photosynthesis. B) Burning fossil fuels release carbon dioxide that was removed from the atmosphere millions of years ago. D) Green helps plants blend into their environment as a sort of camouflage. B) shuttle electrons along in a series of redox reactions. Which of the following is part of the light reaction? ________ to the thylakoid compartment, generating a concentration gradient of ________. Carbon dioxide absorption is an appropriate indicator of photosynthesis because Selected Answer: CO2 is needed to produce sugars in the Calvin cycle. Occurs when carbon atoms from CO2are incorporated into an organic molecule. ignore? Carbon dioxide initially combines with RuBP, and RuBP is regenerated to continue the Calvin cycle. You're conducting an experiment to determine the effect of different D) Only photosystem I is found in the thylakoid membranes. Based on your knowledge of the process of photosynthesis, the plant in the container placed under red light would probably. c) Carbon dioxide (CO2) Any substance that inhibits the transportation of oxygen from the lungs affects _____________. it accepts electrons to the electron transport chain. C) light . The greenhouse effect is exacerbated by the use of fossil fuels. B) chlorophyll a . form carbon dioxide. . 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. A) reduced by photosynthesis, which removes carbon dioxide from the atmosphere. A) carbon monoxide. would help to alleviate the threat of global greenhouse warming. 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. A student collected & tested the bubbles coming from the plant during this experiment. . Occurs in a plant cell: L, G, ETC, CC, CAC A) water. 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? B) Photosynthesis involves only oxidations, while respiration involves only reductions. Plant leaves are also able to absorb and release water through the stomata. 60) Which of the following statements about the greenhouse effect is true? c) stroma . A) chlorophyll b A) It takes several minutes for the pigment electrons to become excited. 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- Water. A) They help the plant conserve water and synthesize glucose efficiently under hot, dry conditions. C) Photosynthesis consumes CO2; respiration consumes O2. She placed one beaker in the shade and the other beaker beside a fluorescent lamp. D) provides the cell with a supply of NADPH molecules. 41) The electrons lost from the reaction center of photosystem I are replaced by electrons from 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? The photosynthetic pigment chlorophyll is anchored in the thylakoid membrane. , 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. CO is needed to produce sugars in the Calvin cycle. B) Photosynthesis involves only oxidations, while respiration involves only reductions. c) absorbs light energy. Carbon exchange with the atmosphere mostly happens through photosynthesis and respiration. Which of the following is part of the light reaction? A) CO2. Youre conducting an experiment to determine the effect of different 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 } A) occurs when carbon atoms from CO2 are incorporated into an organic molecule. 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) has P700 at its reaction center. These sugar molecules contain the energy that living things need to survive. a) electrons from carbon dioxide and energy from ATP. You've added an indicator to each solution. A) formation is promoted by CFCs. ; or C) reduced by the burning of fossil fuels, which removes oxygen from the atmosphere. B) potential Produces ATP: L, G, ET , CAC a) ATP, NADPH, CO2. Carbon dioxide absorption is an appropriate indicator of photosynthesis because D) Most of the young trees would die within a few years. 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. . E) absorb more CO2 than the plants under the green light. D) eight, 52) The Calvin cycle constructs ________, an energy-rich molecule that a plant cell can then use to Although the reactions of the Calvin cycle are not directly dependent on light, they usually do not occur at night. The light reactions of photosynthesis include _____. Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator What are the electron's speed and energy in this state? Involves the splitting of glucose: G versa. B) Each preferentially absorbs slightly different wavelengths of light. When the carbon dioxide concentration decreases, the color of the indicator solution also changes. Where do the light-dependent reactions take place? C) regeneration of NADP+ A) glucose, ADP, NADP+ 62) The greenhouse effect is A) reduced by photosynthesis, which removes carbon dioxide from the atmosphere. . NADPH thylakoid membrane How many "turns" of the Calvin Cycle are required to produce 1 molecule of glucose? The plants in the red light because chlorophyll absorbs red light. B) electromagnetic Column A Each preferentially absorbs slightly different wavelengths of light. What transports electrons from the light reactions to the Calvin cycle? C) NADP+ is reduced to NADPH. c) is found in the stroma. > >U bjbj 7 L T 8 $ , , ? They get their name, in part, because they use H2S (hydrogen sulfide) instead of water during the light reactions. absorption of carbon dioxide as an indicator of the rate of photosynthesis in aquatic ecosystems. A) H2O the wavelength increases as a plant is placed further away from a light source. 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. A) cellular respiration. c. 2 days ==\ldots= minutes B) The greenhouse effect is exacerbated by the use of fossil fuels. Match the terms in column A with the descriptions in column B. D) pass absorbed energy to chlorophyll a. E) catalyze the incorporation of carbon atoms into RuBP. a. Bony labyrinth C) cellular respiration If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease and vice versa. D) In photosynthesis, carbon dioxide is reduced to form sugar, while in respiration, sugar is oxidized to In fact, the jump of 2.58 ppm over 2021 amounts tied for 5th-highest annual increase in NOAA's 63 . In which of the following organelles does photosynthesis take place? . D) ATP. A) inner membrane; outer membrane a) helps transport H+ against the concentration gradient. What is the main adaptive advantage of the C4 and CAM photosynthesis strategies over the C3 strategy? C) stroma; thylakoids The sodium concentration in a cell is 10 times less than the concentration in the surrounding fluid. a fuel for cellular respiration and a starting material for making other organic molecules. d) ATP, NADPH, O2, Which of the following are produced during the Calvin cycle? A) The greenhouse effect is reduced by deforestation. C) shuttle electrons along in a series of redox reactions. Photosynthesis - BBC Bitesize