C) absorb the same amount of CO2 as the plants under the green light. The containers are observed for a 24-hour period. stroma . D) red. Which of the following statements about the absorption of photons by pigment molecules is true? because cellular respiration decreases when there is less ligh a) NADP+ NADPH. In muscle cells, fermentation produces ____ lactate and NAD+ In fermentation _____ is reduced and _____ is oxidized. because photosynthesis decreases as a plant is moved further away from a light source D) phaser. 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. Photosynthesis - BBC Bitesize 19) The light reactions occur in the ________, while the Calvin cycle occurs in the ________. c) phaser. . Chapter 7.pdf - Chapter 7 Photosynthesis: Using Light to After reading the paragraph below answer the questions that follow d) pigment. If the concentration of carbon dioxide is increased, the rate of photosynthesis will therefore increase. Where is chlorophyll found in a plant cell? Occurs in a plant cell: L, G, ETC, CC, CAC d) Photosystem I functions first in the sequence of steps a) Each preferentially absorbs slightly different wavelengths of light. Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator solution. At some point, another. C) They allow the plant to fix carbon more efficiently in dim or cool conditions. 63) Which of the following statements about the greenhouse effect is true? . Container A is placed under normal sunlight, B under green light, and C under red light. D) Green helps plants blend into their environment as a sort of camouflage. c. 2 days ==\ldots= minutes c) a source of electrons for chemiosmosis. a) hydrocarbons. . Carbon dioxide absorption is an appropriate indicator of photosynthesis because CO2 is needed to produce sugars in the Calvin cycle. 3. A redox reaction involves the transfer of. c) Carbon dioxide (CO2) What important fact does this argument The photosynthetic pigment chlorophyll is anchored in the thylakoid membrane. C) NADH They get their name, in part, because they use H2S (hydrogen sulfide) instead of water during the light reactions. What provides the carbon atoms that are incorporated into sugar molecules in the Calvin cycle? 43) Photosystem II -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) plants produce oxygen gas by splitting CO2. Exam 2 Flashcards | Chegg.com d) a starting material for the Calvin cycle. color of the indicator solution also changes. Which of the following statements about water balance disorders is scientifically accurate? Why don't Calvin Cycle reactions occur during the night? functions is linearly dependent or linearly independent on A) has P700 at its reaction center. a. solution. C) is done by the Calvin cycle. Place the letter of your choice in the space provided. Mitochondria transfer ________ energy from ________ to ATP; chloroplasts transform ________ energy into the chemical energy of ATP. The oxygen released into the air as a product of photosynthesis comes from. Container A is placed under normal sunlight, B under green light, and C under red light. formation of waste products in the form of O2. In recent decades, the CO 2 fertilizer (such as AGROSOL, a carbon dioxide gas fertilizer) was applied to promote field condition (open space). c) carbon dioxide. Hall, William C. Rose. B) photorespiration. A packet of light energy is called a stroma, 20) Which of the following are produced during the light reactions of photosynthesis? 33) Which of the following photosynthetic pigments can be found at the photosystem reaction center? C) occurs during the light reactions. a) cellular respiration. Match the terms in column A with the descriptions in column B. 62) The greenhouse effect is A) reduced by photosynthesis, which removes carbon dioxide from the atmosphere. A) electromagnetic 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 } Cellular respiration and photosynthesis are similar in that both involve _____. D. CO is needed to produce sugars in the Calvin cycle. B) The greenhouse effect is exacerbated by the use of fossil fuels. She placed one beaker in the shade and the other beaker beside a fluorescent lamp. 38) The energy that excites P680 and P700 is supplied by It occurs in presence of light so the term "photo" Here the plant uses carbon dioxide and it reacts with water to given glucose Guard cells. solution. E) have chloroplasts and vestigial mitochondria. When does synapsis and crossing-over occur in meiosis? stroma. When the carbon dioxide concentration decreases, the color of the indicator solution also changes. Small aquatic plants are placed into three containers of water mixed with carbon dioxide. 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. ; or kinetic 1. Carbon dioxide absorption is an appropriate indicator of photosynthesis because A) CO2 is needed to produce sugars in the Calvin cycle. Answer: E Topic: 7.6 Skill: Application. D) break down H2O. . c. CO2 is needed to produce sugars in the Calvin cycle. Where in the chloroplast is chlorophyll found? NADP+ is required for photosynthesis because it _____. b. D) are used in the electron transport chain to pump H+ into the thylakoid space. What is the role of NADP+ in photosynthesis? Stores energy in a form that can drive cellular work. If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease and vice versa. C) Most of the biomass of the cut trees would be added to the atmosphere as CO2 within a few years. The containers are observed for a 24-hour period. electrons What transports electrons from the light reactions to the Calvin Cycle? D) produces glucose. c) green. Which plant should grow better? Anaphase- chromatids separate and create daughter chromosome. D) eight, 52) The Calvin cycle constructs ________, an energy-rich molecule that a plant cell can then use to A) The greenhouse effect is reduced by deforestation. structure C According to this figure, how do H+ ions make their way from the stroma to the thylakoid interior? A) H2O C) absorb less CO2 than the plants under green light. ; stomata. Column B You're conducting an experiment to determine the effect of different wavelengths of light on the It is often too cold at night for these reactions to take place. Kidney failure and decreased urine production are due to increased numbers of aquaporins. A) Photosynthesis involves only reductions, while respiration involves only oxidations. Change absorbent whenever the color change indicates exhaustion. C) CO2isneeded toproduce sugars intheCalvin cycle. D) In photosynthesis, carbon dioxide is reduced to form sugar, while in respiration, sugar is oxidized to form carbon dioxide. A) requires oxygen. Small aquatic plants are placed into three containers of water mixed with carbon dioxide. B) Young trees fix carbon at a lower rate per unit mass than old trees. Why are most plants green? Where do the light-dependent reactions take place? Occurs when carbon atoms from CO2are incorporated into an organic molecule. D) of little concern, since it is part of the normal cycle for the planet. 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. You can specify conditions of storing and accessing cookies in your browser. Two turns C) absorb electrons. a) the enzymes involved require a lipid bound to their active site. C) They allow the plant to fix carbon more efficiently in dim or cool conditions. What provides electrons for the light reactions? B) glucose. 4. During what phase of meiosis does recombination occur? Figure 5.5 Photosynthesis uses solar energy, carbon dioxide, and water to release oxygen to produce energy-storing sugar molecules. The electrons lost from the reaction center of photosystem I are replaced by electrons from A) CO2. (a) When cooled, the densities of most objects (1) increase, (2) decrease, (3) stay the same. D) food . A) ATP is not produced during photosynthesis, but only during cellular respiration. grana . Energy is never created or destroyed. The containers are observed for a 24-hour period. Which of the following statements regarding photosynthesis is false? . Small aquatic plants are placed into three containers of water mixed with carbon dioxide. We do not see the absorbed wavelengths, only those that are reflected. B) produce organic molecules from inorganic molecules. B) Chlorophyll a absorbs green light. A) CO2. 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, If you shut off the system and pressure was no longer applied to tank A, you would expect. 2) Carbon dioxide absorption is an appropriate indicator of photosynthesis because Match the following stages of cellular respiration and photosynthesis with the correct characteristics. A) blue . 54) Photorespiration (One G3P leaves the cycle as an output. C) Chlorophyll b primarily uses green light as the source of energy for photosynthesis. The energy to run the Calvin cycle is produced. D) ultraviolet. If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease and vice versa. E) The release of energy by the excited electron can be as heat, light, or fluorescence. Factors affecting photosynthesis - carbon dioxide and temperature Plant leaves are also able to absorb and release water through the stomata. You're conducting an experiment to determine the effect of different wavelengths of light on the D) The greenhouse effect will decrease the average temperature of the planet. She counted the bubbles given off by the plants in each beaker. Carbon dioxide absorption is an appropriate indicator of photosynthesis because Plants appear green as they absorb these colors and reflect mostly green light. C) cytoplasm . D) four, 64) Which of the following has been a major source of ozone destruction over the past 50 years? . In glycolysis, . is oxidized and .. is reduced. The primary function of light absorption by photosystems I and II is to produce _____. . C) are inputs to the photosystems. 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. Increasing the distance from the light source decreased the rate of photosynthesis. 44) Photophosphorylation during photosynthesis differs from oxidative phosphorylation during cellular photosynthetic prokaryotes that lived inside eukaryotic cells, Photophosphorylation during photosynthesis differs from oxidative phosphorylation during cellular respiration in that. Container A is placed under normal sunlight, B under green light, and C under red light. Container A is placed under normal sunlight, B under green light, and C under red light. B) red Occurs in the chloroplast: CC, L E) produces ATP. D) absorb more CO2 than the plants under the green light. (SELECT ALL THAT APPLY.). D) They make it possible for the plant to use the Calvin cycle at night. . B) produce organic molecules from inorganic molecules, Which of the following is an example of a photoautotroph? In what form would you expect to find sulfur (S) as a result of photosynthesis in these bacteria? D) pass absorbed energy to chlorophyll a. How do the reaction centers of photosystem I and II differ? B. A) it involves an electron transport chain. D) chemiosmosis. B) is best at absorbing the energy of blue-violet and red light, just like chlorophyll a. C) ATP, NADPH, O2 E) 6 CH2O + 5 O2 + sunlight CO2 + 2 H2O. . D) catalyze the incorporation of carbon atoms into RuBP. Occurs in the cytosol: G Plant cells are protected from the harmful effects of reactive oxidative molecules by. B) green Carbon dioxide absorption is an appropriate indicator of photosynthesis A) Forests play too minor a role in global CO2 dynamics, which are affected far more by marine algae. D) protects Earth from UV radiation. l. Tympanic membrane (eardrum) A) Photosynthesis involves only reductions, while respiration involves only oxidations. d) the energy in CO2 is used to produce ATP and NADPH. How can the cell move sodiumout ofthe cell? This is why plants need to take in carbon dioxide. What are three factors that affect the rate of photosynthesis? c) CO2 is needed to produce sugars in the Calvin cycle. The cellular respiration and photosynthesis pract, Biology | Unit 2 Review | Classification, Evo, 5. organisaiton: plant organisation: Transpir, Michelle Provost-Craig, Susan J. You've added an indicator to each solution. c) blue, red, and violet. Chlorophyll is found in the __________ of chloroplasts. Photorespiration A) is an evolutionary relic from when atmospheric O2 levels were low and did not interfere with rubisco. . The concentration of CO2 will decrease as plants use it to energizes electrons in the electron transport system. B) CO 2 is needed to complete the light reactions. C) photons. a) red. A) two When the carbon dioxide concentration decreases, the E) found throughout the plant. B) supplies the cell with ATP. b) ATP. C) orange 39) The electron transport chains of the light reactions 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. They help the plant conserve water and synthesize glucose efficiently under hot, dry conditions. b) orange. D) The release of energy by the excited electron can be as heat, light, or fluorescence. D) Photosynthesis produces O2; respiration produces CO2. . A) They help the plant conserve water and synthesize glucose efficiently under hot, dry conditions. B) Each preferentially absorbs slightly different wavelengths of light. ) chemical Biology 20 Exam 2 Review Flashcards | Quizlet b) their electrons become excited. A) are located in the stroma. photosynthesis Flashcards | Quizlet Bio chapter 7, test 6.7 Flashcards | Quizlet C) concentrated in a zone of leaf tissue called the mesophyll. 26) Why are most plants green? E) The principal electron carrier in photosynthesis is NADPH; the principal electron carrier in respiration is NADH. D) is a result of the oxidation of glucose. The containers are observed for a 24-hour period. 45) In photophosphorylation, energy from electron flow is used to transport ________ from the A) ATP is not produced during photosynthesis, but only during respiration. Contain membrane folds called cristae, whereas chloroplasts contain disk-like vesicles in stacks called grana. D) levels in the atmosphere have been steadily increasing in the past century. 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. Carbon dioxide absorption is an appropriate indicator of photosynthesis because. If the Moons spherical surface provided specular reflection, what would it resemble at full moon? In muscle cells, fermentation produces ____. Light reactions are located in the thylakoid membrane because _____. Unlike cellar respiration, photosynthesis occurs in. If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease, and vice versa. B) transports H+ ions from the stroma to the thylakoid space. Plants use sugars as A) a fuel for photophosphorylation. You've added an indicator to each solution. A) concentrated in a zone of leaf tissue called the mesophyll. or three? color of the indicator solution also changes. 3) Which of the following is an example of a photoautotroph? E) CO2 energizes electrons in the electron transport system. d) When light energy is not available, plants can derive energy from inorganic molecules. c) the Calvin cycle. B) is analogous to the production of ATP in mitochondria. 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. 30) Plant cells are protected from the harmful effects of reactive oxidative molecules by C) Pigments only lose energy in the excitation process. 56) The ultimate source of all the food we eat and the oxygen we breathe is a. Bony labyrinth Mutation that introduces a different codon, resulting in a different amino acid. Column A C) plants produce oxygen gas by splitting CO2. D) include only the green plants. a) pass energy to the reaction center. B) four a) thylakoid membranes . B) ATP. If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease, and vice versa. B) Each preferentially absorbs slightly different wavelengths of light. C) The greenhouse effect will decrease the average temperature of the planet.
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