Cyclic electron transport increases the production of ATP. a) water is oxidized, b) NADP is reduced, c) light energy(photon) is converted into chemical energy, d) ATP is synthesized from ADP and Pi, e) an electrochemical gradient is established. Photosynthesis is a complex process that can be divided into two or more stages, such light-dependent and light-independent reactions. Plants need which of the following to carry on photosynthesis? The first step is known as carbon fixation because it takes in CO 2 from the atmosphere and "fixes" it into organic molecules that can be used by living things. Get Photosynthesis Worksheet Quizlet PNG. a) oxygen, b) light, c) carbon dioxide, d) chlorophyll, e) water. Describe the process of when the reaction center is excited. Light, water, chlorophyll, and carbon dioxide are the basic requirements for this process. Flashcardspractice terms and definitions at your oof pace i suppose example of persuasive essay letter 300 words essay on education system. The first step in the NADP-ME type C 4 pathway is the conversion of pyruvate (Pyr) to phosphoenolpyruvate (PEP), by the enzyme Pyruvate phosphate dikinase (PPDK). An enzyme, RuBisCO, catalyzes the fixation reaction, by combining CO2 with RuBP. A) 3, b) 6, c)10, d) 12, e) 18. The chemical equation for photosynthesis can be represented like this: 6 CO2 + 6 H2O → C6H12O6 + 6 O2 You can interpret this equation to mean that carbon dioxide (or CO2) and H2O (or water) are used to create C6H1206 (or suga… High energy phosphate bonds are formed during which process? Can energy be transferred from one chloroplast to another? Tropical rain forests, grasslands, and forests). Course. a) true, b) false. The electrons that are passed to NADP+ during noncyclic photophosphorylation were obtained from _______. The final hydrogen acceptor in noncyclic photophosphorylation is _____. When visible light is absorbed by a chlorophyll molecule, one of its electrons is elevated to a higher energy state. Learn about photosynthesis with free interactive flashcards. How to write an argumentative essay thesis statement in an argument essay you will have to provide evidence without providing too much drama you’ll. Most of the energy is converted into heat; a small amount is remitted as light. In the first step, each molecule of 3-PGA would receive a phosphate group from ATP, turning into a 1,3-bisphosphoglycerate, a double phosphorylated molecule. If O2 instead of CO2 diffuses into the active site of rubisco, the reaction can still proceed, although O2 is added to RuBP in place of CO2. a) carbon dioxide and water, b) nitrogen and hydrogen, c) oxygen and carbon dioxide, d) water and oxygen, e) ribose and carbon dioxide. Which of the following statements best describes the relationship between photosynthesis and respiration, a) respiration is the exact reversal of the biochemical pathways of photosynthesis, b) Photosynthesis stores energy in complex organic molecules, and respiration releases it, c) Photosynthesis takes place only in the light, and respiration takes place only in the dark, d) Photosynthesis occurs only in plants and respiration only in animals, e) ATP molecules are produced in photosynthesis and used up in respiration. CliffsNotes study guides are written by real teachers and professors, so no matter what you're studying, CliffsNotes can ease your homework headaches and help you score high on exams. Suppose you are studying a plant that is an unusual blue color which color.of light would it not use for photosynthesis. The light reactions of photosynthesis take place within the ____________? Learn biology photosynthesis light 1 plants with free interactive flashcards. a) water, b) carbon dioxide, c) ribulose bisphosphate, d) phosphoglyceraldehyde, e) phosphoglycerate, Four of the five answers listed below are participants in photosynthesis. process by which plants and some other organisms use light energy to convert carbon dioxide and water to carbon compounds. Cyclic photophosphorylation functions mainly to ________________. Chlorophyll reflects (does not absorb) which color of light? What photosynthesis is most evident to us? Compare cellular respiration and photosynthesis. Photosynthesis is the major pathway by which energy and carbon are incorporated into carbohydrates. a) O2, b) NADP, c) ATP, d) PGAL, e) glucose. Photosynthesis takes place through several steps which occur during two stages: the light phase and the dark phase. a) cyclic photophosphorylation, b) carbon dioxide, c) water, d) ATP, e) NADP. In photosynthesis, water molecules must be continuously split to _______ a) provide the O2 needed for photophosphorylation, b) provide the electrons needed to reduce NADP, c) provide the electrons needed for cyclic photophosphorylation, d) provide the energy needed to oxidize P680 and P700, e) provide the energy for ATP synthesis. Four of the five answers listed below are processes associated with light-dependent reactions. a) changes to carotene, b) becomes agitated and moves rapidly, c) becomes radioactive, d) absorbs the energy and moves an electron to a higher energy state, e) becomes ionized. a) formation of ATP, b) energizing of an electron of chlorophyll by a photon of light, c) splitting of water into H and O components, d) addition of CO2 to a five-carbon sugar, e) combining of two molecules of PGAL to form a molecule of glucose. The waxy coating on the surface of a leaf _______ in the leaf. Describe how photosynthesis is a redox reaction. electron flow causes H+ ions to be transported into the thylakoid. (Formation of starch during the day provides photosynthetic cells with a source of carbs they can use during the night). a) phosphoglycerate (PGA), b) ribulose bisphosphate (RuBP), c) phosphoglyceraldehyde (PGAL), d) glucose, e) oxaloacetate. a) grana, b) stroma, c) lamellae, d) cristae, e) none of the above. Plants need which of the following to carry on photosynthesis? The result is the conversion of light energy into a chemical form. Carries electrons from the cytochrome complex to P1 by diffusing through the thylakoid lumen. photoevent. (ex. ), Describe how Photorespiration leads to a net loss of energy and carbon. a) oxygen, c light, b) carbon dioxide, d) chlorophyll, e) water. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The consumption of O2 and release of CO2. a) there is a one-way flow of electrons from photosystem I to photosystem II, b) ATP alone is produced, c) hydrogen ions accumulate in the thylakoid compartments, d)only electrons are transferred to hydrogen acceptors, e) water is not involved in any of the reactions. energizing of an electron of chlorophyll by a photon of light. a) chemiosmotic theory, b) photosystem mechanism, c) process of photolysis, d) electron transfer system, e) cyclic pathway. So to build carbohydrates using CO2 requires the input of energy, which comes from sunlight. An enzyme that adds CO2 to another molecule is called a carboxylase. Photosynthesis most evident to us: Carried out by land plants such as trees, grasses, shrubs. All but which condition must be present for light-independent reactions to occur? The two stages of photosynthesis are light reactions and the Calvin cycle; light reactions take place first, forming the photo portion of photosynthesis, while the Calvin cycle follows, completing the cycle with several steps involving photosynthesis. That one exception is __________, a) PGA, b) RuDP, c) PGAL, d) O2, e) glucose. The process takes place in two major steps. Carbon dioxide, water, and light are used to make glucose and oxygen. Photosynthesis Lab report. The indirect product of cyclic photophosphorylation is ________? How the buildup of protons in thylakoid membranes occurs: First, oxidation of water releases protons and O2 into the lumen. PGAL molecules are formed from the reaction of PGA molecules with ATP and NADPH. Which of the following occurs in noncyclic, but not in cyclic photophosphorylation? However, it takes great deal of energy to pull electrons from water, the amount of energy that a single photosystem can capture from sunlight just not enough to pull an electron from water and produce an electron donor capable of reducing NADP+. a) electronflow, b) splitting of water molecules, c) synthesis of ATP, d) transfer of electrons to carrier molecules, e) establishment of an H+ ion gradient. It produces oxygen and glyceraldehyde-3-phosphate (G3P or GA3P), simple carbohydrate molecules that are high in energy and can subsequently be converted into glucose, sucrose, or other sugar molecules. Two different principal mechanisms of CO2 fixation have been found in green plants— the Calvin cycle (or C3 pathway) and the C4 pathway. Which process releases electrons to fill "holes" in chlorophyll in noncyclic photophosphorylation? The reactions create ATP and NAPDH from precursor chemicals and water using energy captured from light by dyes such as chlorophyll. The internal membrane system of the chloroplast is called a _______. Photosynthesis is a multi-step process that requires sunlight, carbon dioxide, and water as substrates. Water donates electrons to one end of the ETC, whereas NADP+ accepts electrons at the other end. In eukaryotic cells, photosynthesis takes place in the chloroplast. Photolysis involves ________. a) light-dependent reactions, b) chemosynthetic reactions, c) carbon dioxide fixation, d) Kreb's Cyclecycle, e) C4 pathway. These reactions actually have several names associated with them. A) 2, b) 3, c) 6, d) 12, e) 15. The purpose of splitting water to release oxygen is to provide electrons to replace those used to reduced NADP. The absorbed sunlight provides the energy that drives electrons through the photosynthetic electron transport chain. a) keeps carbon dioxide in, b) keeps oxygen in, c) lets oxygen in, d) lets carbon dioxide in, e) keeps water in. (majority of photosynthetic organisms in ocean are unicellular, ½ carried out by single-celled marine eukaryotes, while other half is carried out by photosynthetic bacteria. In this step, the enzyme ribulose bisphosphate carboxylase-oxygenase (abbreviated rubisco ) adds one carbon to a five-carbon sugar called ribulose bisphosphate (RuBP) during carbon fixation. If photosynthesizing green algae are provided with CO2 synthesized with heavy oxygen ('80), later analysis will show that all but one of the following compounds produced by the algae contain the '80 label. a) M. D. Hatch, b) Andrew Benson, c) Melvin Calvin, d) Robert Hill, e) both b and c. The first stable compound produced from CO2 in the light- independent reactions is _____. a) a membranes surrounding the chloroplast, b) thylakoids of the chloroplast, c) cytoplasm outside the chloroplast, d) stroma of the chloroplast, e) vacuole. What do the light harvesting reactions use to produce what? provide the electrons needed to reduce NADP. Products of the Calvin cycle, or dark reactions, include _____? Corn arose in the tropics and therefore is a ___________ plant. A hole in the semiconductor sense of the word, a missing electron from the chemical-bond electrons. Key Concepts: Terms in this set (9) Photosynthesis. This molecule contains five carbons and binds to the enzyme rubisco. These can either be formed by the transfer of absorbed light energy from antenna chlorophyll directly to O2 or by the transfer of an electron, from O2-. Select the exception. 60% of photosynthesis is carried out by terrestrial organisms, 40% takes place in the ocean. a) chlorophyll, b) CO2, c) glucose, d) sunlight, e) ATP. Describe this. In the first step, energy from light is stored in the bonds of adenosine triphosphate (ATP), and nicotinamide adenine dinucleotide phosphate ( NADPH ). When light energy is absorbed by a leaf, the first result will be ____? The light-independent reactions were discovered by ____. The light reactions of photosynthesis ____________ a) provide CO2 for the dark reactions. The "first step" in photosynthesis is the ____________. b) produce carbohydrate, c) provide the energy required for the dark reactions, d) use O2 in the production of ATP, e) include two of the above. a) produces ATP from the electron transport system, b) produces ATP and NADPH, c) produces ribulose bisphosphate, d) generates phosphoglyceraldehyde, e) results in the liberation of carbon dioxide. Learn about photosynthesis step-by-step with this quick study guide. In photosynthetic prokaryotes, it is located in membranes within cytoplasm or, in some cases, directly in the plasma membrane. Because two molecules of 3-PGA are formed each time rubisco catalyzes the incorporation of one molecule of CO2, two ATP and two NADPH are required for each molecules of CO2. Concluded that trees gain most of their mass by storing water. In photosynthesis the reduction of CO2 to carbohydrate requires that both energy currency and a strong reducing substance (hydrogen donor) be in ample supply. The biochemical pathway used in photosynthesis to synthesize carbohydrates from CO2. Absorb some wavelengths of visible light. The C4 pathway requires two different light-driven events, whereas the C3 pathway requires only one. In plants, carbon dioxide (CO 2) enters the leaves through stomata, where it diffuses over short distances through intercellular spaces until it reaches the mesophyll cells.Once in the mesophyll cells, CO 2 diffuses into the stroma of the chloroplast, the site of light-independent reactions of photosynthesis. . a) phosphoglycerate (PGA), b) ribulose bisphosphate (RuBP), c) phosphoglyceraldebyde (PGAL), d) lucose, e) oxaloacetate. Challenges to the efficiency of photosynthesis include excess light energy and the oxygenate activity of rubisco. a) red, b) yellow, c) orange, d) green, e) blue, Carotenoid pigments reflect (do not absorb) which color of light? a, O2, b) chlorophyll, c) NADP, d) PGAL, e) CO2. Overview of Photosynthesis. photosynthesis formula. IN mitochondria, carbohydrates are broken down to generate ATP. What are the two challenges to photosynthesis efficiency? Faster Rates of Photosynthesis in Spinach Spinacia Oleracea Leaves as Light Intensity Surges Abstract Photosynthesis is a food making process that autotrophic. a) electron flow causes H+ ions to be transported into the thylakoid, b) NADP is produced, c) water is split, d) both photosystems I and II are involved, e) oxygen is generated. a) C-1, b) C-2, c) C-3, d) C-4, e) C-5. Flashcards. 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