D) mushrooms . Formation of waste products in the form of O2. a) hydrocarbons. If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease, and vice versa. 32) Which of the following statements about the absorption of photons by pigment molecules is true? In developed countries, CO 2 was first applied to cucumbers, tomatoes, and salads (western-style mixed vegetables) in greenhouse (enclosed space). C) photophosphorylation. C) NADP+ is reduced to NADPH. A) is best at absorbing the energy of green light. A) reduced by photosynthesis, which removes carbon dioxide from the atmosphere. d) An electron transport chain d) a starting material for the Calvin cycle. If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease, and vice versa. C) is found in the stroma. Where do the light-dependent reactions take place? Arsenic is a poison that binds to a molecule needed to build acetyl CoA. What important fact does this argument ignore? B) pigment. Carbon dioxide absorption is an appropriate indicator of photosynthesis because. The Pasteur effect shows that yeast consume glucose at a higher rate under anaerobic conditions than under aerobic conditions. Stores energy in a form that can drive cellular work. 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? Produces a net gain of 2 ATP: G Container A is placed under normal sunlight, B under green light, and C under red light. D) include only the green plants. E) found throughout the plant. This drives the reactions to form ATP and NADPH. Plants use sugars as : E) Photosynthesis involves both reduction and oxidation, while respiration involves only oxidation. D CO2 is needed to complete the light reactions. d) kinetic, Which of the following colors contributes the least energy to photosynthesis? After reading the paragraph below answer the questions that follow H+ how did scientists alter the gene for antithrombin so that it could be isolated from milk? a) green, orange, and red. C) bacteria in our mouth. C) ATP, NADPH, O2 B) food . A) requires oxygen. How might global climate change affect the aquifer? D) methane. c) NADPH 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. The electron transport chains of the light reactions A) are located in the stroma. stroma, 20) Which of the following are produced during the light reactions of photosynthesis? 2. You see the boy next door trying to push a crate down the sidewalk. e. Membranous labyrinth The electrons lost from the reaction center of photosystem I are replaced by electrons from A) CO2. B) electromagnetic . The containers are observed for a 24-hour period. Photoautotrophs A) make sugar by using organic raw materials. In fact, the jump of 2.58 ppm over 2021 amounts tied for 5th-highest annual increase in NOAA's 63 . b) a free, energized electron. Small aquatic plants are placed into three containers of water mixed with carbon dioxide. How do the reaction centers of photosystem I and II differ? How many "turns" of the Calvin Cycle are required to produce 1 molecule of glucose? C) regeneration of ATP is driven by a flow of protons through an ATP synthase. Which of the following statements regarding photosynthesis is false? C) concentrated in a portion of the leaf called the stroma. B) made worse by photosynthesis, which adds carbon dioxide to the atmosphere. 55) What is the main adaptive advantage of the C4 and CAM photosynthesis strategies over the C3 D) ATP. c) blue, red, and violet. 48) Mitochondria transfer ________ energy from ________ to ATP; chloroplasts transform ________ the wavelength increases as a plant is placed further away from a light source. Change all absorbents, not just one canister in a two-canister system. D) is embedded in the inner membrane of the chloroplast. Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator D) ATP, NADPH, CO2. This is the initial step of a complex process leading to the formation of sugars. B) Photons raise electrons in pigments to the ground state. If the She placed one beaker in the shade and the other beaker beside a fluorescent lamp. a. because cellular respiration decreases when there is less ligh 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. B) are products of the Calvin cycle. CO2 provides the carbon atoms that are incorporated into sugars in photosynthesis. two? Skill: Applying/Analyzing Learning Outcome: 7.5 34) Carbon dioxide absorption is an appropriate indicator of photosynthesis because A) CO 2 is needed to produce sugars in the Calvin cycle. B) CO2 is needed to complete the light reactions. b) FADH2 She counted the bubbles given off by the plants in each beaker. A) may be an evolutionary relic from when atmospheric O2 levels were low. In simple summary form, the input of the Calvin cycle for every product is _____, and the output is _____ used for glucose synthesis. At some point, another. B) shuttle electrons along in a series of redox reactions. It is often too cold at night for these reactions to take place. b) 6 CO2 glucose. Which of the following statements regarding photosynthesis is false? absorption of carbon dioxide as an indicator of the rate of photosynthesis in aquatic ecosystems. Why are most plants green? The movement of H+ across a membrane down its concentration gradient, Carbon dioxide absorption is an appropriate indicator of photosynthesis because. B) made worse by photosynthesis, which adds carbon dioxide to the atmosphere. 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) electrons passing down the electron transport chain. d) 3 CO2 a three-carbon molecule. C) have mitochondria but do not have chloroplasts. Plants, on the other hand, are experts at capturing light energy and using it to make sugars through a process called photosynthesis. C) occurs during the light reactions. A) It takes several minutes for the pigment electrons to become excited. Youre conducting an experiment to determine the effect of different a) ATP. d) be inside a mitochondrion. When the carbon dioxide concentration decreases, the b) chemiosmosis can occur across the thylakoid membrane. Which plant should grow better? The light reactions of photosynthesis use _____ and produce _____. A) is an evolutionary relic from when atmospheric O2 levels were low and did not interfere with rubisco. c) glucose, ADP, NADP+. B) reduction of carbon Carbon dioxide is particularly influential in regulating pH. CO2 provides the carbon atoms that are incorporated into sugars in photosynthesis. Plants use sugars as Absorb more CO2than the plants under the green light. D) pass absorbed energy to chlorophyll a. E) catalyze the incorporation of carbon atoms into RuBP. They record their results and display them on a graph as shown. Why don't Calvin Cycle reactions occur during the night? 1) Based on your knowledge of the process of photosynthesis, the plant in the container placed under red What are three factors that affect the rate of photosynthesis? D) the same as the equation for glycolysis written in reverse. D) eight, 52) The Calvin cycle constructs ________, an energy-rich molecule that a plant cell can then use to C) eat other organisms that use light energy to make food molecules. chlorophyll a? D) The greenhouse effect will decrease the average temperature of the planet. b) Chlorophyll a is found in photosystem I and chlorophyll b in photosystem II. C) shuttle electrons along in a series of redox reactions. C) couples the flow of H+ to the phosphorylation of NADP+. light You've added an indicator to each solution. C) absorb the same amount of CO2 as the plants under the green light. A) cellular respiration. Amino Acids enter: G, CAC Expert Answer Column B B) potential Container A is placed under normal sunlight, B under green light, and C under red light. Which of the following is part of the light reaction? C) H2O. d) electromagnetism. B) transports H+ ions from the stroma to the thylakoid space. C) Most of the biomass of the cut trees would be added to the atmosphere as CO2 within a few years. The plants in the red light because chlorophyll absorbs red light. it accepts electrons to the electron transport chain. Occurs in an animal cell: G, CAC, ETC Unit 3 Study Guide Flashcards | Quizlet C) cytoplasm . D) formation of waste products in the form of O2, 22) Which of the following are produced during the Calvin cycle? c) blue, red, and violet. a) thylakoid membranes . Mutation that introduces a different codon, resulting in a different amino acid. 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. Within the chloroplast, the light reactions take place in the flattened sacs called thylakoids and the Calvin cycle takes place in the thick fluid called the stroma. thylakoid membranes. d) blue, green, and orange. The During meiosis, segments of nonsister chromatids can trade places. D) nuclear, 25) The full range of electromagnetic energy is called the ________ spectrum. c) Photosystem II does not transfer electrons from photons. B) produce organic molecules from inorganic molecules, Which of the following is an example of a photoautotroph? b) plants produce oxygen gas by splitting CO2. A) pass energy to the reaction center. B) is broken down by carbon dioxide. Small aquatic plants are placed into three containers of water mixed with carbon dioxide. light would probably CO2 is needed to produce sugars in the Calvin cycle. C) glycolysis. Container A is placed under normal sunlight, B under green light, and C under red light. You're conducting an experiment to determine the effect of different wavelengths of light on the Container A is placed under normal sunlight, B under green light, and C under red light. A) cyanobacteria in freshwater and marine ecosystems. A) water. D) phycocyanin, 34) Which of the following is a normal process of photosynthesis that could not occur if all reaction d) Carbon dioxide concentrations decrease at night. c) is found in the stroma. A) G3P C) a windmill. Which of the following graphs represents the effect of increasing light intensity on the rate of photosynthesis? 6) In most green plants, chloroplasts are. 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) glucose, ADP, NADP+, CO2 a) a fuel for cellular respiration and a starting material for making other organic molecules. E) The greenhouse effect has no direct relationship with the Industrial Revolution of the 1800s. E) produces ATP. c) carbon dioxide. A student collected & tested the bubbles coming from the plant during this experiment. B) C5H12O6 + 6 O2 + sunlight 5 CO2 + 6 H2O. The other five remain and are rearranged to form RuBP.) From your recent physics class you estimate that the static and kinetic coefficients of friction are 0.80.80.8 and 0.40.40.4 for the boy's shoes, and 0.50.50.5 and 0.20.20.2 for the crate. B) is broken down by carbon dioxide. C) H+ . Males: In the 7 th weekof development, the SRY gene on the Y chromosome activates anumber of genes, and the gonads develop as testes. CO2 is needed to produce sugars in the Calvin cycle. c. CO2 is needed to produce sugars in the Calvin cycle. During photosynthesis, plants take in carbon dioxide (CO2) and water (H2O) from the air and soil. semi-tropicald. D) CO 2 is needed to complete the light reactions. B) energy is stored in the form of a proton concentration difference. Light reactions are located in the thylakoid membrane because _____. C) reduced by the burning of fossil fuels, which removes oxygen from the atmosphere. 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. 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? 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 Be hypertonic to tank B. C) Most of the biomass of the cut trees would be added to the atmosphere as CO2 within a few years. Carbon dioxide absorption is an appropriate indicator of photosynthesis because CO2 is needed to produce sugars in the Calvin cycle. a) the enzymes involved require a lipid bound to their active site. d) electrons from water and energy from sunlight rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease and vice solution. Energy is never created or destroyed. 38) The energy that excites P680 and P700 is supplied by C) does not have a reaction center. A) one d) oxidation-reduction (redox) reactions, When chloroplast pigments absorb light, _____. How can the cell move sodiumout ofthe cell? A packet of light energy is called a cool, moistc. B) are found in the roots of plants. 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. You're conducting an experiment Which of the following are produced during the Calvin cycle? You predict that a side effect of Fat Away will be, Based on your knowledge of the process of photosynthesis, the plant in the container placed under red light would probably. 61) It has been argued that cutting old-growth forests and replacing them with plantations of young trees In fermentation _____ is reduced and _____ is oxidized. In recent decades, the CO 2 fertilizer (such as AGROSOL, a carbon dioxide gas fertilizer) was applied to promote field condition (open space). A) chlorofluorocarbons E) Burning wood contributes more to acid rain than burning fossil fuels. absorption of carbon dioxide as an indicator of the rate of photosynthesis in aquatic ecosystems. B) ATP Then, he placed an aquatic plant in two of the test tubes, as shown below. When the carbon dioxide concentration decreases, the color of the indicator solution also changes. A) are located in the stroma. The full range of electromagnetic energy is called the ________ spectrum. E) are found on the inner membrane of chloroplasts. What transports electrons from the light reactions to the Calvin cycle? D) provides the cell with a supply of NADPH molecules. d) 3 CO2 a three-carbon molecule . 15) A redox reaction involves the transfer of You have a large, healthy philodendron that you carelessly leave in total darkness while you are away on vacation. Less ATP is made under anaerobic conditions, so more glucose must be consumed to produce an equivalent amount of ATP. Explain. A) Chlorophyll a is found in photosystem I and chlorophyll b in photosystem II. b) G3P (C3H6O3) B) is best at absorbing the energy of blue-violet and red light, just like chlorophyll a. D) red. ; stomata. B) chlorophyll a Does the distribution shown in the figure seem reasonable? Shown here is the graph of the data for the beaker she placed beside the lamp. Compare Earth to Mars and list three similarities. Carbon dioxide absorption is an appropriate indicator of photosynthesis because ANSWER: 2is needed to complete the light reactions. Produces molecules of NADH: G, CAC D) NADP+ is oxidized to NADPH. B) passes electrons to photosystem I. B) are products of the Calvin cycle. E) are used in the electron transport chain to pump H+ into the thylakoid space. A) mitochondria that had a mutation for photosynthesis B) photosynthetic prokaryotes that lived inside eukaryotic cells C) a combination of mitochondria and Golgi bodies D) prokaryotes with photosynthetic mitochondria E) eukaryotes that engulfed photosynthetic fungi, B) photosynthetic prokaryotes that lived inside eukaryotic cells. B) grizzly bears in Alaska. Chlorophyll is found in the __________ of chloroplasts. D) Photosystem II does not transfer electrons from photons. . grana . 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. 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. C) a starting material for the Calvin cycle. c) CO2 is needed to produce sugars in the Calvin cycle. 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? a) NADPH recycling. Hall, William C. Rose. You call to ask the boy his mass, and he replies "50 kg." 2003-2023 Chegg Inc. All rights reserved. food . Plants absorb carbon dioxide from the air, combine it with water and light, and make carbohydrates the process known as photosynthesis. B) chlorophyll. c) Plants usually open their stomata at night. . The concentration of CO2 will decrease as plants use it in the light-dependent reactions. C) They allow the plant to fix carbon more efficiently in dim or cool conditions. color of the indicator solution also changes. D) include only the green plants. a) water splitting. . the interval (,)(-\infty, \infty)(,). food . B) concentrated in the stomata. The chlorophyll breaks down, the green color disappears, and the yellow to orange colors become visible and give the leaves part of their fall splendor. d) couples the flow of H+ to the phosphorylation of ADP. Although the reactions of the Calvin cycle are not directly dependent on light, they usually do not occur at night. 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 and indicator solution. Based on your knowledge of the process of photosynthesis, the plant in the container placed under red light would probably A) absorb no CO2. B) H in glucose; O in water What are by-products of cellular respiration? Greenhouse Gases . She counted the bubbles given off by the plants in each beaker. Any substance that inhibits the transportation of oxygen from the lungs affects _____________. A) CO2. What are the electron's speed and energy in this state? 8) CO2 enters and O2 escapes from a leaf via, 9) In the chloroplast, sugars are made in a compartment that is filled with a thick fluid called the, 10) Chloroplasts contain disklike membranous sacs arranged in stacks called, 11) Where is chlorophyll found in a plant cell? A) concentrated in a zone of leaf tissue called the mesophyll. D) the top of the electron transport chain. Biology 20 Exam 2 Review Flashcards | Quizlet Kidney failure and decreased urine production are due to increased numbers of aquaporins. one? D) aerobic respiration. D) Green helps plants blend into their environment as a sort of camouflage. What is the source of energy that provides the boost for electrons during photosynthesis? d) carbon monoxide. You've added an indicator to each solution. 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. Carbon dioxide is one of the reactants in photosynthesis. , t 33) Which of the following photosynthetic pigments can be found at the photosystem reaction center? a) forms NADPH to be used in the Calvin cycle. nuclear. C) CO2isneeded toproduce sugars intheCalvin cycle. This free, energized electron powers the electron transport chain to generate ATP and ultimately be "handed off" to NADP+ to make NADPH for the Calvin cycle. A) ATP is not produced during photosynthesis, but only during respiration. C) plants produce oxygen gas by splitting CO2. b) cytoplasm . In this drawing of a chloroplast, which structure represents the thylakoid membrane? 13 30) Plant cells are protected from the harmful effects of reactive oxidative molecules by C) carbon dioxide (a) When cooled, the densities of most objects (1) increase, (2) decrease, (3) stay the same. CO2 enters and O2 escapes from a leaf via. C) are located on the inner membrane of the chloroplast. B) lack mitochondria but have chloroplasts. Anaphase- chromatids separate and create daughter chromosome. c) have photosynthetic pigments. thylakoid membrane A) inner membrane; outer membrane B) NADPH is oxidized to NADP+. In photosynthesis, carbon dioxide is reduced to form sugar, while in respiration, sugar is oxidized to form carbon dioxide. See answer Advertisement amrendrachoubay456 Answer: . c. External acoustic meatus C) are inputs to the photosystems. c) oxygen. E) a fuel for cellular respiration and a starting material for making other organic molecules. E) The principal electron carrier in photosynthesis is NADPH; the principal electron carrier in respiration is NADH. You've added an indicator to each solution. Chapter 7 complied questions Flashcards | Quizlet C) Photosynthesis consumes CO2; respiration consumes O2. What two molecules are produced by the light reactions and used to power the Calvin cycle? B) green Brainscape helps you realize your greatest personal and professional ambitions through strong habits and hyper-efficient studying. B) glucose. Glycolysis is the only stage of cellular respiration that requires _______ to make ______. If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease and vice versa. . cellular respiration is true? Change absorbent whenever the color change indicates exhaustion. A) donation of excited electrons by chlorophyll a to a primary electron acceptor E) CO2 energizes electrons in the electron transport system C) concentrated in a zone of leaf tissue called the mesophyll. d) fluorescence. D) break down H2O. nucleus NADP+ is reduced during the light reactions, and these electrons are later used to reduce CO2 to glucose in the Calvin cycle. d. Malleus Produces molecules of FADH2: CAC The electrons lost from the reaction center of photosystem II are replaced by electrons from D) pass absorbed energy to chlorophyll a. The ultimate source of all the food we eat and the oxygen we breathe is. b) nuclear. Bromthymol blue turns from blue to yellow in the presence of CO2. C) plants produce oxygen gas by splitting CO 2. 62) Ozone 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. Container A is placed under normal sunlight, B under green light, and C under red light. . ; or The primary function of light absorption by photosystems I and II is to produce _____. like D) H+ . b) ATP. 5.1: Overview of Photosynthesis - Concepts of Biology - 1st Canadian C) H2O. , Why are there less air bubbles as the plant is place further away from the light source 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 E) 6 CH2O + 5 O2 + sunlight CO2 + 2 H2O. A) cyanobacteria in freshwater and marine ecosystems B) grizzly bears in Alaska C) bacteria in our mouth D) fungi growing in the refrigerator E) mushrooms growing on the side of a dead tree, A) cyanobacteria in freshwater and marine ecosystems, What is the likely origin of chloroplasts? 83) Carbon dioxide absorption isanappropriate indicator ofphotosynthesis because A) plants produce oxygen gasbysplitting CO2. Check all that apply Small aquatic plants are placed into three containers of water mixed with carbon dioxide and indicator solution. A) Chlorophyll a is found in photosystem I and chlorophyll b in photosystem II. C) plants produce oxygen gas by splitting CO2. d) pigment. A) ATP is not produced during photosynthesis, but only during respiration.