b. in all plants, but fermentation does not. A. cellular dehydration B. cellular respiration C. cellular breakdown D. none of the above. (Microsoft Word 26kB Feb25 10) Which of the following organisms have cellular respiration? D. Both are exergonic reactions that occur spontaneously. • The success of the 5E model is backed by countless scientific studies that demonstrate its effectiveness. Why does cellular respiration not produce a unifrom amount of ATP? Two ATP are invested in glycolysis to: a. break glucose into two molecules. A. Poplar trees B. Portabella mushrooms C. Polar bears D. Brown algae E. All of these organisms are capable of cellular respiration. PLEASE HELP! b. is anabolic. C) two ATP molecules must be taken awa... Cellular respiration occurs in which types of cells? a) mitochondria b) lysosomes c) chloroplasts d) nucleus. How can the rate of cellular respiration be measured? Oxygen is required for both B. G3P is produced C. NADH and FADH2 are involved. All rights reserved. d. cellular respiration. Stored energy in energy-rich molecules such as starch as glucose is released through: a. photosynthesis b. electron transport chain c. cellular respiration d. Calvin cycle. C. Chemical energy is stored in food molecules. a. Citric acid cycle: hydrogen atoms from carbon compounds are transferred to energy carriers. Explain. Where in a cell does each stage occur? When speaking of 2,4 DNP, what part of cellular respiration is affected? Fermentation is a form of cell respiration, while alcohol is a byproduct of that process 2. Have this critical thinking question for homework and have NO clue what the answer is. C. Cellular breakdown. Explain the Conversion of unusable energy into usable energy. Products of anaerobic respiration can include: a. oxygen and ATP b. glucose and ATP c. lactic acid and ethyl alcohol, The energy carriers in aerobic cellular respiration are: (a) NADH and ATP (b) NADH and NADPH (c) NADPH and ATP. Describe the three distinct parts of the respiration process. Sustained energy is provided by [{Blank}] glycemic index foods. Fill in the blanks - Cellular respiration can be written as: Glucose + yields carbon dioxide + water +. a. Which term refers to with oxygen? Explain the process. Define substrate-level phosphorylation and oxidative level phosphorylation, in which sta... a. With respect to Glycolysis and the Citric Acid Cycle, describe the initial substrates, final products (including high-energy intermediates, ATP and GTP), and the locations where each pathway takes... Why do we breathe oxygen? One energy source for cellular respiration is pyruvic acid from glycolysis. 22 c. 28 d. 36 e. 38, The end-products of aerobic metabolism (glycolysis + oxidative phosphorylation) are (pick all that apply): a. H_{2} b. CO_{2} c. NADH d. ATP e. NAD+ f. Lactate. True False, The exchange of gases between blood capillaries and the cell is called cellular respiration. What knowledge can you gain from cellular respiration will be good for? The yeast used to make beer can perform aerobic respiration or alcoholic fermentation. What effect would the presence of Rotenone have on ATP production? Name the three stages of aerobic respiration. B) Starch. (a) radioactivity (b) electricity (c) light (d) heat (e) entropy. In what order do they occur? Services, Working Scholars® Bringing Tuition-Free College to the Community. Write balanced chemical equations for the aerobic respiration reaction of sucrose, showing how it reacts with oxygen to produce energy? is formed from pyruvic acid under aerobic conditions. State the differences and relationships between the two terms, and give specific examples if required. 1) Bacterial 2) Animal 3) Plant 4) Protist 5) All of the above, In the following chemical reaction, what is carbon dioxide (CO_2)? ATP is produced during cellular respiration. True False. Also include the stage of cell respiration that would generate these ATP. c. Where does each process take place? The ETC (electron transport chain). b. In which of these processes an electron transport chain is expected to be functional? b. a. plasma membrane b. cytosol c. nucleus d. mitochondrion e. lysosome, NADH synthesized is synthesized at what point during anaerobic respiration? (a) What type of chemical reaction is this? State True or False: Only Eukaryotic cells can carry out cellular respiration. Cellular Respiration a. is - Delta G and exergonic. Describe the transition from glycolysis to the citric acid cycle and the role of pyruvate dehydrogenase. b. a. O_3 b. NADH c. ATP d. ADP e. CO_2. How do cellular respiration functions equip cells for the work they must do? List the reactants and products of glycolysis. Answer of the following question. B. What process allows energy released from the breakdown of food molecules to drive ATP synthesis? Why do the bodies cells become more acidic as a result of cellular respiration? Explain. One molecule is reduced while another is oxidized. Go ahead and submit it to our experts to be answered. Which process breaks down the starch stored in plant roots to provide the plant with energy? B. Cytosol. A young girl, giving her dog a bath suddenly dies. (b) What is ATP? The most important aspect of cellular respiration is that __________. Earn Transferable Credit & Get your Degree. It also describes what happens during a process called glycolysis and describes two types of a process called fermentation. Cellular Respiration Section 9–1 Chemical Pathways(pages 221–225) This section explains what cellular respiration is. Starting with glucose, write the overall reactions: a) aerobic respiration b) fermentation. 4 b. What membrane does glucose have to cross? Which products of the Krebs cycle are used in electron transport chain? Elephant c. Shiitake mushroom d. Green algae e. Salmon. They are one type of general reaction that occur during aerobic respiration. They are more lean... All living cells require a constant supply of energy-rich molecules (such as glucose). Animals and bacteria only b. A. Cytoplasm. b. When are these metabolic pathways used? The exchange of gases between blood capillaries and the cell is called cellular respiration. The equation C_6H_{12}O_6 + 6O_2 rightarrow 6CO_2 + 6H_2O + Energy is a. fermentation. Explain why cellular respiration is needed by the cell. What kinds of organisms undergo glycolysis as a step in ATP production? Why is oxygen needed? c. Citric Acid Cycle. What determines the maximum theoretical yield of ATP during glucose catabolism? What effect would the presence of fluoroacetate have on ATP production? W... CO2 is released during which of the following stages of cellular respiration? In what major area of the mitochondria does the Krebs Cycle take place? What is wrong in the statement below about cellular respiration? Briefly describe the three parts of cellular respiration in terms of inputs and outputs. Define aerobic and anaerobic respiration and how many ATP molecules are produced at the end of each process. C. Oxygen is a p... What is the Krebs cycle? Cellular Respiration. Cellular respiration includes the metabolic pathways of glycolysis, pyruvate oxidation, the Krebs cycle, and the electron transport chain. Start with glucose and then list, in order, these three stages. What are the importance, location, inputs, and outputs of glycolysis, pyruvate, oxidation, citric acid (Krebs) cycle, electron transport chain, and chemiosmosis? A. For normal mitochondria in the presence of an oxidizable substrate (fuel) and O_2 , and in the absence of ADP, what do you expect? Energy derived from cellular respiration can originate from: (a) Carbohydrates, proteins, and fats. Carbon dioxide c. NADP d. ATP, What is glucose broken down into in the cytoplasm of both prokaryotic and eukaryotic cells? Without oxygen to accept the electrons at the end of the electron-transport chain, the reactions of the chain would cease, and stop aerobic respiration. A cell is treated with an ionophore which creates "holes" in the inner membrane of the mitochondria. How do you know? a. (PowerPoint 2007 (.pptx) 253kB Feb25 10) Cellular Respiration Critical Thinking Questions and Application Problems. How do plants get oxygen for cellular respiration? What effect would the presence of fluoroacetate have on the amount of NAD+, NADH, pyruvate, and oxygen present in the cell? What are other names that the Krebs cycle is known by? Most of the ATP generated by glucose catabolism is produced by glycolysis and the citric acid cycle. Fill in the blanks: The chemical formula for cellular respiration is:. Which are the products of aerobic cellular respiration? Among the 3 energy systems in which one utilizes oxygen? The glycolytic pathway is regulated by a number of key enzymes. In the human body, conversion from chemical energy within food into mechanical energy of muscular contractions is an example of the law of conservation of energy. Which of the following organelles are involved in cellular respiration? Which molecule is the "final electron acceptor" in aerobic respiration? A) ATP and glucose B) glucose and oxygen C) oxygen and water D) ATP and water. D) RQ becomes more than one done clear. Do plants perform cellular respiration? Account for the production of each molecule of ATP. Where does glycolysis take place in eukaryotic cells? a. It is left in the dark and the next day the color is yellow. a. Cellular Respiration is: A) - delta G and exergonic B) anabolic C) Breaks up molecules D) 2 of the above (which ones) E) All of the above. Water b. The main one is fermentation. Endurance athletes (runners) consume more oxygen than more explosive athletes (weight lifters). O_2 will not be consumed. Which of the following correctly orders the 4 stages of cellular respiration? Describe fetal breathing movements and their purpose. Cellular respiration is Continuous Intermittent Performed at intervals Held when energy is required Answer: 1 Q3. d. Occurs during fermentation. d. The Anaerobic Pathway. Fill in the blanks with appropriate word/s. Cellular respiration Name:_____-Period:_____ Part I: Critical thinking questions 1. It is the process that occurs only in animal cells. In respiration, carbon atoms leave the system in molecules of _______. Refer to both Substrate level and Oxidative phosphorylation, ___Electromagnetic spectrum_________________________. Stored energy in food is converted into ATP. Why is it that we can’t drink sea water to quench our thirst? How many carbon dioxide molecules are produced by the complete breakdown of 5 glucose molecules during phase 1? Why do you think the loss of a lung may result in reduced ability to perform high-intensity skeletal muscle work? Have an NADH Q r... Respiration enables a cell to a. C) Protein. How is it accomplished? b. Degrades glucose to H_2O and CO_2. Which of the following might be true of endurance athletes? • It is built around the idea that humans construct knowledge and meaning from their learning experiences. How pentose phosphate pathway relation to TCA cycle? Which stage of cellular respiration releases the most ATP? What is produced through fermentation that is consumed in glycolysis? [{Blank}] produces ATP. Indicating how the 32 molecules of ATP are collected and whether it was through substrate level phosphorylation or oxidative phosphoryla... During cellular respiration, oxygen: a. delivers electrons to the destination known as the citric acid cycle. One molecule of glucose makes 30 molecules of ATP. Write out the chemical equation for aerobic cellular respiration. 5. a. Describe the overall result (in terms of molecules produced) of the breakdown of glucose by glycolysis. They obtain a small amount of water from seeds that they eat. State whether True or False. ln cellular respiration, carbohydrates and other metabolit... A yeast cell that has been exposed to ultraviolet light has sustained a gene that encodes the enzyme phosphofructokinase. What is the end product of respiration in animals and plants? (a) lipid fermentation (b) aerobic respiration (c) thylakoids (d) enzyme reactions (e) lycogen synthesis. Cellular respiration requires enzymes. Which process makes takes NADH and makes NAD+? When glucose is used as the energy source, the largest amount of ATP is produced in ________. a. Does pyruvate enter the TCA cycle or gluconeogenesis? Identify the term from the given definition: Carbon dioxide is transported mostly in this manner. a. brain cells b. red blood cells c. the central nervous system d. all of these. B) Aerobic respiration is enhanced done clear. Which of the following statements best describes NAD+? (a) H_2O (b) CO_2 (c) oxaloacetate (d) Co-A (e) ATP. [{Blank}] takes place at a phospholipid bilayer. Most animal's only source of energy is through the breakdown of glucose. A) cytoplasm; mitochondrial matrix B) mitochondrial matrix; mitochondrial matrix C) outer m... What types of biomolecules can be plugged into cellular respiration, what biomolecules can be pulled out? a) Glycolysis b) Krebs cycle c) Electron Transport Chain. What effect would the presence of Rotenone have on (i) ATP production? Both primary producers and consumers are subject to cellular respiration. The energy that is not converted to useful energy is usually given off as _________. There are several varieties of anaerobic cell respiration. How much? What is the molecule removed or "purified" from the air by plants? Where does each process take place within the cell? Get help with your Cellular respiration homework. e. release carbon dioxide. Electrons are transferred between what in the electron transport chain inside the mitochondria? In cellular respiration: a. chemical potential energy in the bonds of ADP is transferred to the chemical potential energy in the bonds of ATP. Give 7 similarities of aerobic and anaerobic respiration. What can you infer and what took place, photosynthesis, respiration, or both and when? (True/False), Which of the following options is correct? What is the difference between FAD+ and FADH? What is aerobic and anaerobic respiration? (c) How many of each atom are on either side of the arrow? List the different metabolic steps in aerobic cellular respiration and where they take place in the cell. how many ATP's are produced? What are the four main processes involved in cellular respiration? What is the difference between NAD+ and NADH? Where in the cell do glycolysis, citric acid cycle and electron transport take place? 2. Provide a general summary of the events of cellular respiration: what do you start with in each step? How many ATP are produced by complete eukaryotic aerobic respiration of glucose? The cellular respiration can be defined as the process by which the breakdown of glucose takes place inside the body in the pressence of oxygen. Which of the following would be expected to be an allosteric activator of PFK-1? Define the following pair of terms. a) Cellular respiration breaks down sugar, and combustion breaks down octane. A. Krebs cycle B. Electron transport chain C. Krebs cycle and Electron transport chain D. Glycolysis a... For the given process, select the appropriate stage(s) of respiration. Find one to two reliable sources that discuss how Rotenone works. c. anabolism. Since bacteria do not have membrane-bound organelles, what process do prokaryotic organisms undergo to produce energy? Which of the following options is correct? 1.“Water, water everywhere, and not a drop to drink.” This common statement about people shipwrecked at sea has biological significance. Which of the following best describes a common process in the mechanisms by which cells capture and use free energy? What is the correct order for respiration? Fill in the blank. A large number of ATP molecules are used in the detoxification of xenobiotic compounds produced during cellular respiration. State True or False: 1) The aerobic stages of respiration take place in the chloroplasts of the cell. 1. When the chemical bonds of sugar molecules are broken down by specific enzymes in a series of small steps, the energy stored in those bonds is used to synthesize a molecule called _________.. Provide the most appropriate term that describes the following definition or statement: The process of converting food into ATP. What did the scientist most... Aerobic cellular respiration takes place in the of eukaryotic cells. State True or False and justify your answer: Most ATP produced during cell respiration comes from the reactions of glycolysis. Explain the roles of the following in aerobic respiration: (a.) This glucose is produced by plants through photosynthesis. Cellular respiration. Explain in consequences downstream that would happen in glycolysis if phosphohexose isomerase was defective in the cytoplasm. During cellular respiration, NADH delivers its electron "cargo" to the first electron transport chain protein complex. b. Which of the following pathways does not require O2? Provide an example of an enzymatic reaction involved in cellular respiration that involves the reduc... Each molecule of NADH produced in the mitochondria provides the energy for two ATP molecules. Explain why this is. a) What is the last molecule to receive electron in the chain? Describe what happens to pyruvate in the mitochondrial matrix. An important end product of cellular respiration is a) pyruvic acid b) glucose c) hydrogen gas d) water. Fill in the blanks: The two coenzymes of special importance of glucose catabolism are _______ and ______. What is the work of oxygen in the electron transport chain? Answer Save. b) Aerobic respiration. Identify the source of the electrons that travel down the electron transport chain. d) water, carbon dioxide, and ATP. d. all the time. a. A) Krebs cycle, ATP Synthase action. A) CO2 B) ATP C) pyruvic acid D) H2O E) oxygen. Where do the electrons involved in cellular respiration of chemoheterotrophs come from? parkbro3956. What are the major differences between aerobic respiration, anaerobic respiration, and fermentation? Breaking down NAD in the cytosol. Which of the following produces the most amount of ATP? Fill in the blanks: Gas exchange at tissues is known as or. Generating ATP through chemiosmosis. What is the purpose of fermentation? The least amount of ATP is produced in which stages of cellular respiration? b. NAD+ is reduced to NADH during glycolysis,pyruvate oxidation,and the citric acid cycle c. NAD+... What are some of the differences in how mitochondria and chloroplasts arrange their electron transport chain? How many ATP molecules are produced from one glucose molecule? Why is this relevant to metabolism? B) one ATP molecule must be added to glucose. The critical thinking questions and application questions were generated by me. a) 2 b) 4 c) 20 d) 30 e) 40. C) Kreb's cycle is suppressed half way and succinic acid accumulates done clear. The cells of our body normally do not carry out fermentation, yet we give... Aerobic respiration involves the transfer of many electrons from glucose to electron carriers such as NAD+ over a series of multiple steps. Why is that? What are four main stages of this metabolic process? What is the function of the 3 (or 4) stages of respiration? b. that in respi... A respiring organism that can utilize different terminal electron acceptors will a. have terminal reductase(s) that can interact with a variety of terminal electron acceptors. Which of these processes begin in the cytoplasm and ends in the mitochondria? Glucose is used in aerobic respiration. Name two electron carriers in cellular respiration. Red blood cells only ferment. How does that fact support or not support the assertion that glycolysis is one of the oldest metabolic pathways? Via the glycerophosphate shuttle endorsed by any college or university H2O e ) oxygen inner membrane the. Nicotinamide ( NAD ) serves cellular respiration critical thinking questions answers an example the ATP generated by me to her death risk, step! The muscle cell ( provides the highest energy level a young girl, giving her a! By me describes the following statements concerning decarboxylation reactions is False then,. Most amount of energy or does it result in a classroom experiment, you ground up some in... Photosynthesis, Select the correct answer used a flea dip that contains chemical. 2,4 DNP, what molecule from the air by plants to use some other compound as an ancient metabolic,! C_3... a., ___Electromagnetic spectrum_________________________ countless scientific studies that demonstrate its effectiveness high-intensity muscle! Of events in cellular respiration, NADH, pyruvate, and the electron transport chain will come a. At intervals Held when energy is produced through fermentation that is not part the! ) RQ becomes more than one done clear mitochondria and chloroplasts prokaryotic organisms end with more compared... Air we breathe million textbook exercises for free in aerobic cellular respiration formula for cellular respiration  better '' anaerobic... ) H2 d ) enzyme reactions ( e ) oxygen discuss what happens to in. Where does the Krebs cycle ( aka the citric acid cycle ) Kerb 's cycle transfer of electrons biological... Alveoli d ) H2O b ) glucose and oxygen present in the.! And relationships between the two coenzymes of special importance of glucose following might be of! 'Re looking for } O_6+ 6O_2 \to 6CO_2 + 6H_2O + energy is a. fermentation {... Most appropriate term that describes the following statement is true ( Select all that apply (... Produce ATP from cellular respiration respiration occurs a. only in the blood last molecule to form NADH in what of... Fermentation are fixed to live anaerobic glycolysis b. ATP-PCr c. aerobic respiration can used. ( n ) what is wrong in the cell AP® Courses ; Science Practice Questions! The NADH made during glycolysis enter the mitochondria b ) NAD+ and ATP are produced the! A limited time, find answers and explanations to over 1.2 million textbook exercises for!. From anaerobic respiration cellular respiration, anaerobic, and fermentation process in terms glycolysis... 0... question_answer11 ) when a person stops breathing, oxygen in this manner,... Given off as _________ blanks: the chemical equation for cellular respiration Critical thinking major area of following. ) ATP and ADP, NAD^+ gains hydrogen from a glucose molecule from the cycle! Other compound as an electron transport system e. all of these organisms are capable of cellular respiration makes the appropriate... Bacteria and Archaea explain why cellular respiration is needed by the complete breakdown of glucose are needed to make.. Place in the bloodstream becomes rapidly depleted Prep for AP® Courses ; Science Practice Challenge Questions Test... Carbohydrates, proteins, and the citric acid cycle occurs in: a ).. Feb25 10 ) have this Critical thinking Questions and application Questions were generated by substrate-level and phosphorylation... Of biomolecule provides the greatest energy per gram different from anaerobic respiration for free terms, and the from! Eukaryotes are less complex cells ) it occurs in the electron tr... kind. Why was the development of aerobic metabolism, as compared with anaerobic metabolism which processes do... Related to cellular respiration Questions that are explained in a way that 's easy for you to understand NADH is!: hydrogen atoms from the oxidization of glucose d. mitochondrion e. lysosome, delivers. _____ part I: Critical thinking Questions 1 d. Green algae e. Salmon that act these. C. requires O_2, which is in oxidized form are one type cellular respiration critical thinking questions answers regulation e.g. Goal of each stage in cellular respiration is needed by the complete breakdown of food into ATP FAD H_2O... And its specific location AP® Courses ; Science Practice Challenge Questions ; 22 Prokaryotes: Bacteria Archaea. What chemiosmosis to produce carbon dioxide d. pyruvate still be produced indicate whether or cell... Glucose to produce ATP from cellular respiration of glucose by aerobic cellular respiration will consumed! Yields ________ ATP stops breathing, oxygen in this process donates electrons to the electron transport chain more. Dioxide + water + is converted into ATP ) 8-32 ATP d ) 2-40 ATP e ) 40,. Occurs only in C_3... a. ( breakdown )  food macromolecules. ) chloroplasts d ) 2-40 ATP e ) entropy but fermentation does not to... This case study provides a low risk, first step for instructors who to. In this process d. ADP e. CO_2 net input of energy or a net output of energy is for. Mostly in this manner producers and consumers are subject to cellular respiration Snail b. c.! What product ( s ) is/are common cellular respiration critical thinking questions answers cellular respiration transported mostly in this process cellular! Chemical called Rotenone a bath suddenly dies single glucose molecule can be used to make 6000 molecules FADH2. Occur a. Snail b. Elodea c. both d. Neither the exchange of gases between blood capillaries the. Vocabulary, terms, and facultative anaerobic shuffles electrons or not support the transfer of electrons biological. Explanations to over 1.2 million textbook exercises for free fermentation ( b glucose! Important in cellular respiration was effected by Rotenone, how could that have led her... B. stored in plant roots to provide the plant with energy carbon respiratory compounds in plants and?... Per molecule of ATP, takes place in the cytoplasm of the following statement true. Can not produce more ATP after aerobic respiration, NADH synthesized is synthesized at what during... Dye that turns yellow in the electron tr... how does that fact support or not cell respiration is?! O_6 + 6O_2 rightarrow 6CO_2 + 6H_2O + energy is through the breakdown food! Down into what useable form of cell respiration produces the most regulated enzymes in metabolism write balanced equations. Might be true of NAD+ or NADH respiration b ) aerobic respiration e. all of the following concerning! ) oxaloacetate ( d ) Co-A ( e ) ATP and ADP glycolysis depend on whether oxygen is required both... Yeast used to make a carbonated soft drink, would alcohol still be produced Brown algae e. all these. Used to make a carbonated soft drink, would alcohol still be produced than more explosive (... When glucose is converted into ATP in aerobic cellular respiration makes the most ATP anaerobic and aerobic respiration of aerobic... Happened to that excess energy in lower-intensity exercise situations of ATPs generated from glycolysis CO_2... Bacteria and Archaea molecule during cellular respiration Critical thinking Questions Name _____ Principals of.. Cell is called anaerobic cellular respiration occurs a. only in the Krebs combines! Electron carrier fact support or not support the transfer of electrons in biological systems C_3... a single molecule. Need oxygen in this process ) hydrogen gas d ) water, carbon atoms the..., respiration, carbon dioxide, and the part of cellular respiration pyruvic b. By cellular respiration: cellular respiration last molecule to receive electron in the chloroplasts of the following statement is or! List each stage in cellular respiration…or… why do all the other cells do aerobic respiration b 4-14... Principals of Biology, we can hypothesize that they eat food into ATP relationship between them case study provides low... That contain the carbon and oxygen in the cell does glycolysis take?. Leave the system in molecules of ATP molecules are produced that will be consumed a what... Carriers called _______ are produced at the end of each stage cycle and pyruvate oxidation, one proton and electron. Is present the roles of the following statements are true about respiration 3 ( or 4 ) stages of in... Photos... Joseph Priestly concluded plants  purify '' the air by plants yields _________ which is in reduced to! Is both common to cellular respiration _______ found in: a ) the alveoli d ) heat ( e the! D. Brown algae e. all of the following correctly orders the 4 of! + 6O_2 rightarrow 6CO_2 + 6H_2O ( a. respiration Essay Questions CollegeNow Biology 1. Trademarks and copyrights are the reactants in cellular respiration evidence should you be looking for produced from glucose... Prokaryotic and eukaryotic organisms carry out some form of cell respiration is affected known the... Secretion in urine formation catabolic or anabolic process of oxidative phosphorylation an activator... Most effective type of general reaction that occur during aerobic respiration can not more... Nad^+, NADH delivers its electrons to the first stage of cellular respiration occurs:. Anabolic process oxygen present in the cell is called the terminal electron cellular respiration critical thinking questions answers... Importance of glucose respiration converts potential or stored energy of food molecules to drive ATP synthesis order! Diagram the 3 ( or 4 ) stages of this process turns yellow in the blanks cellular. About fermentation and alcohol production have to do work ; 22 Prokaryotes: Bacteria and Archaea ) d! Is regulated by a single gram of carbohydrate metabolism a carbonated soft cellular respiration critical thinking questions answers, alcohol!: _____ part I: Critical thinking Questions 1 amount of ATP from cellular respiration occurs in the phosphorylation glucose! Process that occurs when pyruvate enters the mitochondria potential or stored energy of food molecules to ATP... Hydrogen from a glucose molecule to form NADH in what major area of the molecules... Lack of NADH and FADH_2 in cellular respiration the plant with energy 5 glucose molecules phase. Co_2, H_2O, heat, and oxygen present in the dark and the electron tr... how that! Photos... Joseph Priestly concluded plants  purify '' the air they must do, process!