What is the term for metabolic pathmethods that release stored energy by breaking dvery own complicated molecules? A) anabolic pathways B) catabolic pathways C) fermentation pathmeans D) thermodynamic pathmeans E) bioenergetic pathways


The molecule that features as the reducing agent (electron donor) in a redox or oxidation-reduction reaction A) gains electrons and also gains potential energy. B) loses electrons and loses potential power. C) gains electrons and also loses potential energy. D) loses electrons and gains potential energy. E) neither gains nor loses electrons, however gains or loses potential power.

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When electrons relocate closer to an extra electronegative atom, what happens? A) The more electronegative atom is lessened, and also power is released. B) The more electronegative atom is diminished, and power is consumed. C) The even more electronegative atom is oxidized, and power is consumed. D) The even more electronegative atom is oxidized, and energy is released. E) The more electronegative atom is diminished, and also entropy decreases.


Why does the oxidation of organic compounds by molecular oxygen to develop CO₂ and also water release free energy? A) The covalent bonds in organic molecules and also molecular oxygen have actually even more kinetic power than the covalent bonds in water and also carbon dioxide. B) Electrons are being relocated from atoms that have a reduced affinity for electrons (such as C) to atoms through a higher affinity for electrons (such as O). C) The oxidation of organic compounds can be used to make ATP. D) The electrons have actually a higher potential power once linked via water and also CO₂ than they do in organic compounds. E) The covalent bond in O₂ is unstable and also conveniently damaged by electrons from organic molecules.


Which of the adhering to statements defines the outcomes of this reaction? C₆H₁₂O₆ + 6 O₂ → 6 CO₂ + 6 H₂O + Energy A) C₆H₁₂O₆ is oxidized and O₂ is decreased. B) O₂ is oxidized and H₂O is diminished. C) CO₂ is lessened and O₂ is oxidized. D) C₆H₁₂O₆ is decreased and also CO₂ is oxidized. E) O₂ is decreased and CO₂ is oxidized.


When a glucose molecule loses a hydrogen atom as the result of an oxidation-reduction reaction, the molecule becomes A) hydrolyzed. B) hydrogenated. C) oxidized. D) decreased. E) an oxidizing agent.


When a molecule of NAD⁺ (nicotinamide adenine dinucleotide) gains a hydrogen atom (not a proton), the molecule becomes A) dehydrogenated. B) oxidized. C) diminished. D) redoxed. E) hydrolyzed.


Which of the adhering to statements describes NAD⁺? A) NAD⁺ is decreased to NADH throughout glycolysis, pyruvate oxidation, and also the citric acid cycle. B) NAD⁺ has even more chemical energy than NADH. C) NAD⁺ is oxidized by the activity of hydrogenases. D) NAD⁺ can donate electrons for usage in oxidative phosphorylation. E) In the lack of NAD⁺, glycolysis can still function


Wbelow does glycolysis take place in eukaryotic cells? A) mitochondrial matrix B) mitochondrial external membrane C) mitochondrial inner membrane D) mitochondrial intermembrane space E) cytosol


The ATP made in the time of glycolysis is produced by A) substrate-level phosphorylation. B) electron transport. C) photophosphorylation. D) chemiosmosis. E) oxidation of NADH to NAD⁺.


The oxygen consumed in the time of cellular respiration is connected straight in which procedure or event? A) glycolysis B) accepting electrons at the end of the electron move chain C) the citric acid cycle D) the oxidation of pyruvate to acetyl CoA E) the phosphorylation of ADP to develop ATP


Which process in eukaryotic cells will continue typically whether oxygen (O₂) is existing or absent? A) electron deliver B) glycolysis C) the citric acid cycle D) oxidative phosphorylation E) chemiosmosis


An electron loses potential power once it A) shifts to a less electronegative atom. B) shifts to a more electronegative atom. C) boosts its kinetic power. D) boosts its activity as an oxidizing agent. E) moves additionally ameans from the nucleus of the atom.


Why are carbohydprices and fats considered high power foods? A) They have actually many oxygen atoms. B) They have no nitrogen in their makeup. C) They deserve to have incredibly lengthy carbon skeleloads. D) They have actually most electrons linked through hydrogen. E) They are quickly reduced.


Substrate-level phosphorylation accounts for approximately what percentage of the ATP developed by the reactions of glycolysis? A) 0% B) 2% C) 10% D) 38% E) 100%


Throughout glycolysis, as soon as each molecule of glucose is catabolized to 2 molecules of pyruvate, a lot of of the potential energy had in glucose is A) moved to ADP, creating ATP. B) transferred straight to ATP. C) kept in the 2 pyruvates. D) stored in the NADH produced. E) supplied to phosphorylate fructose to form fructose 6-phosphate.


In enhancement to ATP, what are the end commodities of glycolysis? A) CO₂ and H₂O B) CO₂ and also pyruvate C) NADH and also pyruvate D) CO₂ and NADH E) H₂O, FADH₂, and also citrate


The cost-free power for the oxidation of glucose to CO₂ and water is -686 kcal/mol and also the cost-free power for the reduction of NAD⁺ to NADH is +53 kcal/mol. Why are just two molecules of NADH formed during glycolysis as soon as it appears that as many as a dozen might be formed? A) Many of the complimentary power easily accessible from the oxidation of glucose is used in the manufacturing of ATP in glycolysis. B) Glycolysis is a very inreliable reactivity, with much of the energy of glucose released as warm. C) Many of the cost-free power obtainable from the oxidation of glucose stays in pyruvate, among the products of glycolysis. D) There is no CO₂ or water created as assets of glycolysis. E) Glycolysis is composed of many kind of enzymatic reactions, each of which extracts some energy from the glucose molecule.


Starting via one molecule of glucose, the energy-containing assets of glycolysis are A) 2 NAD⁺, 2 pyruvate, and 2 ATP. B) 2 NADH, 2 pyruvate, and 2 ATP. C) 2 FADH₂, 2 pyruvate, and also 4 ATP. D) 6 CO₂, 2 ATP, and also 2 pyruvate. E) 6 CO₂, 30 ATP, and also 2 pyruvate.


In glycolysis, for each molecule of glucose oxidized to pyruvate A) two molecules of ATP are used and also 2 molecules of ATP are created. B) two molecules of ATP are supplied and 4 molecules of ATP are produced. C) 4 molecules of ATP are provided and 2 molecules of ATP are created. D) 2 molecules of ATP are used and also 6 molecules of ATP are produced. E) six molecules of ATP are provided and 6 molecules of ATP are created.


A molecule that is phosphorylated A) has actually been decreased as a result of a redox reactivity including the loss of an inorganic phosphate. B) has actually a lessened chemical reactivity; it is much less most likely to provide energy for cellular work. C) has been oxidized as a result of a redox reactivity entailing the obtain of an inorganic phosphate. D) has an increased chemical potential energy; it is primed to perform cellular work-related. E) has much less energy than prior to its phosphorylation and also therefore much less energy for cellular occupational.


Which sort of metabolic poikid would certainly many directly interfere through glycolysis? A) an agent that reacts through oxygen and depletes its concentration in the cell B) an agent that binds to pyruvate and also inactivates it C) an agent that carefully mimics the framework of glucose however is not metabolized D) an agent that reacts with NADH and also oxidizes it to NAD⁺ E) an agent that blocks the passage of electrons alengthy the electron deliver chain


Why is glycolysis explained as having an investment phase and also a payoff phase? A) It both splits molecules and assembles molecules. B) It attaches and detaches phosphate teams. C) It uses glucose and geneprices pyruvate. D) It shifts molecules from cytosol to mitochondrion. E) It provides stored ATP and also then creates a net boost in ATP.


The transfer of pyruvate into mitochondria relies on the proton-motive force throughout the inner mitochondrial membrane. How does pyruvate enter the mitochondrion? A) energetic carry B) diffusion C) promoted diffusion D) via a channel E) via a pore


Which of the complying with intermediary metabolites enters the citric acid cycle and also is formed, in part, by the removal of a carbon (CO₂) from one molecule of pyruvate? A) lactate B) glyceraldehydes-3-phosphate C) oxaloacetate D) acetyl CoA E) citrate


Throughout cellular respiration, acetyl CoA accumulates in which location? A) cytosol B) mitochondrial external membrane C) mitochondrial inner membrane D) mitochondrial intermembrane area E) mitochondrial matrix


How many kind of carbon atoms are fed into the citric acid cycle as a result of the oxidation of one molecule of pyruvate? A) 2 B) 4 C) 6 D) eight E) ten


Carbon dioxide (CO₂) is released during which of the complying with stages of cellular respiration? A) glycolysis and also the oxidation of pyruvate to acetyl CoA B) oxidation of pyruvate to acetyl CoA and the citric acid cycle C) the citric acid cycle and oxidative phosphorylation D) oxidative phosphorylation and fermentation E) fermentation and glycolysis


A young pet has never had a lot energy. He is brought to a veterinarian for aid and is sent out to the animal hospital for some tests. Tbelow they discover his mitochondria can use just fatty acids and amino acids for respiration, and also his cells create even more lactate than normal. Of the complying with, which is the finest explacountry of his condition? A) His mitochondria lack the deliver protein that moves pyruvate across the outer mitochondrial membrane. B) His cells cannot move NADH from glycolysis into the mitochondria. C) His cells contain somepoint that inhibits oxygen use in his mitochondria. D) His cells absence the enzyme in glycolysis that develops pyruvate. E) His cells have actually a defective electron carry chain, so glucose goes to lactate rather of to acetyl CoA.


Throughout aerobic respiration, electrons travel downhill in which sequence? A) food → citric acid cycle → ATP → NAD⁺ B) food → NADH → electron transport chain → oxygen C) glucose → pyruvate → ATP → oxygen D) glucose → ATP → electron move chain → NADH E) food → glycolysis → citric acid cycle → NADH → ATP


What fractivity of the carbon dioxide exhaled by pets is created by the reactions of the citric acid cycle, if glucose is the single energy source? A) 1/6 B) 1/3 C) 1/2 D) 2/3 E) 100/100


Where are the proteins of the electron deliver chain located? A) cytosol B) mitochondrial outer membrane C) mitochondrial inner membrane D) mitochondrial intermembrane room E) mitochondrial matrix


In cellular respiration, the energy for most ATP synthesis is supplied by A) high energy phosphate bonds in organic molecules. B) a proton gradient throughout a membrane. C) converting oxygen to ATP. D) moving electrons from organic molecules to pyruvate. E) generating carbon dioxide and oxygen in the electron transfer chain.


Throughout aerobic respiration, which of the following straight donates electrons to the electron transport chain at the lowest power level? A) NAD+ B) NADH C) ATP D) ADP + Pi E) FADH2


The major function of oxygen in cellular respiration is to A) yield energy in the create of ATP as it is passed down the respiratory chain. B) act as an acceptor for electrons and also hydrogen, developing water. C) combine via carbon, creating CO₂. D) integrate with lactate, forming pyruvate. E) catalyze the reactions of glycolysis.


nside an active mitochondrion, most electrons follow which pathway? A) glycolysis → NADH → oxidative phosphorylation → ATP → oxygen B) citric acid cycle → FADH₂ → electron transfer chain → ATP C) electron deliver chain → citric acid cycle → ATP → oxygen D) pyruvate → citric acid cycle → ATP → NADH → oxygen E) citric acid cycle → NADH → electron deliver chain → oxygen


During aerobic respiration, H₂O is developed. Wright here does the oxygen atom for the development of the water come from? A) carbon dioxide (CO₂) B) glucose (C₆H₁₂O₆) C) molecular oxygen (O₂) D) pyruvate (C₃H₃O₃-) E) lactate (C₃H₅O₃-)


In chemiosmotic phosphorylation, what is the many straight resource of energy that is provided to convert ADP + Pi to ATP? A) energy released as electrons flow with the electron carry system B) energy released from substrate-level phosphorylation C) power released from movement of prolots through ATP synthase, versus the electrochemical gradient D) energy released from movement of prolots via ATP synthase, dvery own the electrochemical gradient E) No external source of energy is compelled bereason the reaction is exergonic.


Energy released by the electron transport chain is offered to pump H⁺ right into which location in eukaryotic cells? A) cytosol B) mitochondrial external membrane C) mitochondrial inner membrane D) mitochondrial intermembrane space E) mitochondrial matrix


The straight energy source that drives ATP synthesis in the time of respiratory oxidative phosphorylation in eukaryotic cells is A) oxidation of glucose to CO₂ and also water. B) the thermodynamically favorable circulation of electrons from NADH to the mitochondrial electron move carriers. C) the final transfer of electrons to oxygen. D) the proton-motive pressure across the inner mitochondrial membrane. E) the thermodynamically favorable deliver of phosphate from glycolysis and also the citric acid cycle intermediate molecules of ADP.


When hydrogen ions are pumped from the mitochondrial matrix across the inner membrane and also into the intermembrane room, the outcome is the A) development of ATP. B) reduction of NAD⁺. C) restoration of the Na⁺/K⁺ balance across the membrane. D) creation of a proton-motive pressure. E) lowering of pH in the mitochondrial matrix.


Wright here is ATP synthase situated in the mitochondrion? A) cytosol B) electron carry chain C) outer membrane D) inner membrane E) mitochondrial matrix


It is feasible to prepare vesicles from sections of the inner mitochondrial membrane. Which among the following procedures can still be carried on by this isolated inner membrane? A) the citric acid cycle B) oxidative phosphorylation C) glycolysis and fermentation D) reduction of NAD⁺ E) both the citric acid cycle and oxidative phosphorylation


How many kind of oxygen molecules (O₂) are required each time a molecule of glucose (C₆H₁₂O₆) is totally oxidized to carbon dioxide and water through aerobic respiration,? A) 1 B) 3 C) 6 D) 12 E) 30


Which of the adhering to produces the many ATP when glucose (C₆H₁₂O₆) is completely oxidized to carbon dioxide (CO₂) and also water? A) glycolysis B) fermentation C) oxidation of pyruvate to acetyl CoA D) citric acid cycle E) oxidative phosphorylation (chemiosmosis)


Approximately just how many kind of molecules of ATP are developed from the finish oxidation of two molecules of glucose (C₆H₁₂O₆) in aerobic cellular respiration? A) 2 B) 4 C) 15 D) 30-32 E) 60-64


The synthesis of ATP by oxidative phosphorylation, using the energy released by activity of proloads across the membrane dvery own their electrochemical gradient, is an instance of A) active transfer. B) an endergonic reaction coupbrought about an exergonic reactivity. C) a reaction via a positive ΔG . D) osmosis. E) allosteric regulation.


Chemiosmotic ATP synthesis (oxidative phosphorylation) occurs in A) all cells, however just in the visibility of oxygen. B) only eukaryotic cells, in the visibility of oxygen. C) just in mitochondria, making use of either oxygen or various other electron acceptors. D) all respiring cells, both prokaryotic and also eukaryotic, making use of either oxygen or various other electron acceptors. E) all cells, in the absence of respiration.


If a cell is able to synthesize 30 ATP molecules for each molecule of glucose entirely oxidized by carbon dioxide and also water, how many type of ATP molecules have the right to the cell synthesize for each molecule of pyruvate oxidized to carbon dioxide and water? A) 0 B) 1 C) 12 D) 14 E) 15


What is proton-motive force? A) the pressure forced to rerelocate an electron from hydrogen B) the pressure exerted on a proton by a transmembrane proton concentration gradient C) the pressure that moves hydrogen into the intermembrane area D) the force that moves hydrogen into the mitochondrion E) the pressure that moves hydrogen to NAD⁺


In liver cells, the inner mitochondrial membranes are around five times the area of the external mitochondrial membranes. What objective should this serve? A) It allows for an increased price of glycolysis. B) It permits for an raised price of the citric acid cycle. C) It rises the surconfront for oxidative phosphorylation. D) It boosts the surconfront for substrate-level phosphorylation. E) It allows the liver cell to have fewer mitochondria.


Brvery own fat cells produce a protein called thermogenin in their mitochondrial inner membrane. Thermogenin is a channel for promoted carry of protons across the membrane. What will happen in the brown fat cells once they develop thermogenin? A) ATP synthesis and also warmth generation will certainly both boost. B) ATP synthesis will rise, and also warm generation will decrease. C) ATP synthesis will decrease, and heat generation will rise. D) ATP synthesis and also warmth generation will certainly both decrease. E) ATP synthesis and warmth generation will certainly remain the very same.


In a mitochondrion, if the matrix ATP concentration is high, and the intermembrane space proton concentration is too low to geneprice sufficient proton-motive pressure, then A) ATP synthase will boost the rate of ATP synthesis. B) ATP synthase will speak working. C) ATP synthase will certainly hydrolyze ATP and also pump protons right into the intermembrane area. D) ATP synthase will hydrolyze ATP and also pump protons right into the matrix.


Which catabolic procedures might have actually been used by cells on prehistoric Planet before complimentary oxygen became available? A) glycolysis and fermentation just B) glycolysis and also the citric acid cycle just C) glycolysis, pyruvate oxidation, and the citric acid cycle D) oxidative phosphorylation just E) glycolysis, pyruvate oxidation, the citric acid cycle, and oxidative phosphorylation, using an electron acceptor various other than oxygen


Which catabolic processes might have been offered by cells on prehistoric Planet prior to free oxygen came to be available? A) glycolysis and fermentation just B) glycolysis and the citric acid cycle only C) glycolysis, pyruvate oxidation, and also the citric acid cycle D) oxidative phosphorylation only E) glycolysis, pyruvate oxidation, the citric acid cycle, and oxidative phosphorylation, making use of an electron acceptor other than oxygen


Which of the complying with normally occurs regardmuch less of whether or not oxygen (O₂) is present? A) glycolysis B) fermentation C) oxidation of pyruvate to acetyl CoA D) citric acid cycle E) oxidative phosphorylation (chemiosmosis)


Which of the adhering to occurs in the cytosol of a eukaryotic cell? A) glycolysis and also fermentation B) fermentation and also chemiosmosis C) oxidation of pyruvate to acetyl CoA D) citric acid cycle E) oxidative phosphorylation


Which metabolic pathmethod is common to both cellular respiration and fermentation? A) the oxidation of pyruvate to acetyl CoA B) the citric acid cycle C) oxidative phosphorylation D) glycolysis E) chemiosmosis


The ATP made throughout fermentation is produced whereby of the following? A) the electron transfer chain B) substrate-level phosphorylation C) chemiosmosis D) oxidative phosphorylation E) aerobic respiration


In the absence of oxygen, yeastern cells can obtain power by fermentation, leading to the production of A) ATP, CO₂, and ethanol (ethyl alcohol). B) ATP, CO₂, and also lactate. C) ATP, NADH, and pyruvate. D) ATP, pyruvate, and also oxygen. E) ATP, pyruvate, and also acetyl CoA.


In alcohol fermentation, NAD⁺ is recreated from NADH by A) reduction of acetaldehyde to ethanol (ethyl alcohol). B) oxidation of pyruvate to acetyl CoA. C) reduction of pyruvate to create lactate. D) oxidation of ethanol to acetyl CoA. E) reduction of ethanol to pyruvate.


One function of both alcohol fermentation and also lactic acid fermentation is to A) reduce NAD⁺ to NADH. B) mitigate FAD⁺ to FADH₂. C) oxidize NADH to NAD⁺. D) minimize FADH₂ to FAD⁺. E) do none of the above.


An organism is discovered that thrives both in the visibility and absence of oxygen in the air. Curiously, the intake of sugar rises as oxygen is removed from the organism"s setting, also though the organism does not gain much weight. This organism A) should usage a molecule various other than oxygen to accept electrons from the electron deliver chain. B) is a normal eukaryotic organism. C) is photoman-made. D) is an anaerobic organism. E) is a facultative anaerobe.


Which statement best supports the hypothesis that glycolysis is an ancient metabolic pathway that originated before the last global common ancestor of life on Earth? A) Glycolysis is widespreview and also is found in the domains Bacteria, Archaea, and Eukarya. B) Glycolysis neither provides nor requirements O₂. C) Glycolysis is found in all eukaryotic cells. D) The enzymes of glycolysis are discovered in the cytosol fairly than in a membrane-enclosed organelle. E) Old prokaryotic cells, the most primitive of cells, made considerable use of glycolysis lengthy prior to oxygen was current in Earth"s setting.


Why is glycolysis taken into consideration to be one of the initially metabolic pathways to have evolved? A) It produces much less ATP than does oxidative phosphorylation. B) It does not involve organelles or specialized structures, does not need oxygen, and also is existing in many organisms. C) It is uncovered in prokaryotic cells but not in eukaryotic cells. D) It counts on chemiosmosis, which is a metabolic mechanism present just in the first cells" prokaryotic cells. E) It needs the existence of membrane-enclosed cell organelles discovered only in eukaryotic cells.


When an individual is exercising heavily and also when the muscle becomes oxygen-deprived, muscle cells convert pyruvate to lactate. What happens to the lactate in skeletal muscle cells? A) It is converted to NAD⁺. B) It produces CO₂ and water. C) It is taken to the liver and also converted back to pyruvate. D) It reduces FADH₂ to FAD⁺. E) It is converted to alcohol.


When skeletal muscle cells are oxygen-deprived, the heart still pumps. What must the heart muscle cells be able to do? A) derive enough power from fermentation B) continue aerobic metabolism when skeletal muscle cannot C) transdevelop lactate to pyruvate aget D) remove lactate from the blood E) remove oxygen from lactate


When skeletal muscle cells undergo anaerobic respiration, they become fatigued and painful. This is now known to be caused byA) buildup of pyruvate. B) buildup of lactate. C) increase in sodium ions. D) boost in potassium ions. E) increase in ethanol.


A mutation in yeastern provides it unable to convert pyruvate to ethanol. How will this mutation impact these yeast cells? A) The mutant yeast will be unable to thrive anaerobically. B) The mutant yeastern will certainly thrive anaerobically only when offered glucose. C) The mutant yeastern will certainly be unable to metabolize glucose. D) The mutant yeastern will die bereason they cannot regenerate NAD⁺ from NADVERTISEMENT. E) The mutant yeastern will metabolize just fatty acids.


You have actually a frifinish that lost 7 kg (about 15 pounds) of fat on a regimales of strict diet and exercise. How did the fat leave her body? A) It was released as CO₂ and H₂O. B) It was converted to warmth and also then released. C) It was converted to ATP, which weighs much much less than fat. D) It was broken dvery own to amino acids and eliminated from the body. E) It was converted to urine and got rid of from the body.


You have a frifinish that shed 7 kg (around 15 pounds) of fat on a regimales of strict diet and also exercise. How did the fat leave her body? A) It was released as CO₂ and H₂O. B) It was converted to heat and also then released. C) It was converted to ATP, which weighs much less than fat. D) It was damaged down to amino acids and removed from the body. E) It was converted to urine and also eliminated from the body.


Phosphofructokinase is a critical control enzyme in the regulation of cellular respiration. Which of the complying with statements properly defines phosphofructokinase activity? A) It is inhibited by AMP. B) It is triggered by ATP. C) It is activated by citrate, an intermediate of the citric acid cycle. D) It catalyzes the conversion of fructose 1,6-bisphosphate to fructose 6-phosphate, an early step of glycolysis. E) It is an allosteric enzyme.


Phosphofructokinase is an allosteric enzyme that catalyzes the convariation of fructose 6-phosphate to fructose 1,6-bisphosphate, an early step of glycolysis. In the visibility of oxygen, a boost in the amount of ATP in a cell would be meant to A) inhilittle bit the enzyme and therefore sluggish the prices of glycolysis and also the citric acid cycle. B) activate the enzyme and also thus slow the rates of glycolysis and the citric acid cycle. C) inhilittle bit the enzyme and also thus increase the rates of glycolysis and also the citric acid cycle. D) activate the enzyme and also increase the prices of glycolysis and also the citric acid cycle. E) inhilittle bit the enzyme and also therefore rise the rate of glycolysis and also the concentration of citrate.


Even though plants carry on photosynthesis, plant cells still usage their mitochondria for oxidation of pyruvate. When and also wright here will this occur? A) in photoartificial cells in the light, while photosynthesis occurs concurrently B) in nonphotosynthesizing cells just C) in cells that are storing glucose only D) in all cells all the moment E) in photomanufacturing cells in the light and also in various other tissues in the dark


In vertebprice animals, brvery own fat tissue"s shade is as a result of numerous blood vessels and capillaries. White fat tproblem, on the other hand also, is specialized for fat storage and also has relatively few blood vessels or capillaries. Brvery own fat cells have a committed protein that dissipates the proton-motive force across the mitochondrial membranes. Which of the adhering to can be the attribute of the brown fat tissue? A) to rise the price of oxidative phosphorylation from its few mitochondria B) to permit the pets to control their metabolic price as soon as it is specifically hot C) to rise the production of ATP D) to permit other membranes of the cell to perform mitochondrial features E) to manage temperature by converting the majority of of the energy from NADH oxidation to heat


What is the function of beta oxidation in respiration? A) oxidation of glucose B) oxidation of pyruvate C) feedearlier regulation D) regulate of ATP build-up E) breakdvery own of fatty acids


Wright here execute the catabolic commodities of fatty acid breakdown enter right into the citric acid cycle? A) pyruvate B) malate or fumaprice C) acetyl CoA D) α-ketoglutaprice E) succinyl CoA


What carbon resources can yeast cells metabolize to make ATP from ADP under anaerobic conditions? A) glucose B) ethanol C) pyruvate D) lactic acid E) either ethanol or lactic acid


High levels of citric acid inhilittle bit the enzyme phosphofructokinase, an essential enzyme in glycolysis. Citric acid binds to the enzyme at a different place from the active site. This is an instance of A) competitive inhibition. B) allosteric regulation. C) the specificity of enzymes for their substrates. D) an enzyme requiring a coaspect. E) positive feedago regulation.


During intense exercise, as skeletal muscle cells go into anaerobiosis, the human body will increase its catabolism of A) fats just. B) carbohydprices just. C) proteins only. D) fats, carbohydrates, and also proteins. E) fats and proteins just.

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Yeastern cells that have actually defective mitochondria incapable of respiration will be able to prosper by catabolizing which of the following carbon resources for energy? A) glucose B) proteins C) fatty acids D) glucose, proteins, and fatty acids E) Such yeast cells will certainly not be qualified of catabolizing any kind of food molecules, and also will certainly therefore die.