A. a form of organelle.B. a protein.C. present just in mitochondria.D. a component of ATP.E. developed in the reaction that produces ethanol.
Contrasted with fermentation, the aerobic pathmeans of glucose metabolism produce
A. more ATP.B. pyruvate.C. fewer proloads for pumping in the mitochondria.D. less CO2.E. more oxidized coenzymes.
A. takes location in the mitochondrion.B. produces no ATP.C. has no connection with the respiratory chain.D. is the very same point as fermentation.E. reduces 2 molecules of NAD+ for eextremely glucose molecule processed.
Which statement around pyruvate is not true?
A. It is the end product of glycolysis.B. It becomes lessened throughout fermentation.C. It is a precursor of acetyl CoA.D. It is a protein.E. It contains three carbon atoms.
The citric acid cycle
A. has no link with the respiratory chain.B. is the exact same thing as fermentation.C. reduces two NAD+ for eextremely glucose processed.D. produces no ATP.E. takes place in the mitochondrion.
Which statement around oxidative phosphorylation is not true?
A. It develops ATP by the respiratory chain/ATP synthesis.B. It is brought around by chemiosmosis.C. It calls for aerobic conditions.D. It takes area in mitochondria.E. Its attributes can be offered equally well by fermentation.
The respiratory chain
A. is situated in the mitochondrial matrix.B. includes just peripheral membrane proteins.C. constantly produces ATP.D. reoxidizes diminished coenzymes.E. opeprices concurrently with fermentation.
Oxidation and also reduction
A. entail the obtain or loss of proteins.B. are characterized as the loss of electrons.C. are both endergonic reactions.D. constantly happen together.E. continue only under aerobic problems.
A. takes location in the mitochondrion.B. takes location in all pet cells.C. does not need O2.D. calls for lactic acid.E. prevents glycolysis.
The duty of oxygen gas in our cells is to
A. catalyze reactions in glycolysis.B. produce CO2.C. form ATP.D. accept electrons from the respiratory chain.E. react through glucose to separation water.
When NADH donates 2 electron to ubiquinone in the time of respiration, ubiquinone is
A. lessened.B. oxidized.C. phosphorylated.D. aerobic.E. hydrolyzed.
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Many kind of species derive their energy from fermentation. The feature of fermentation is to
A. alleviate NAD+B. oxidize CO2.C. oxidize NADH + H+, ensuring a continued supply of ATP.D. develop acetyl CoA.E. Namong the above
Water is a by-product of cellular repiration. The water is developed as an outcome of the
A. combining of CO2 via prolots.B. convariation of pyruvate to acetyl CoA.C. destruction of glucose to pyruvate.D. reduction of oxygen at the finish of the electron deliver chain.E. None of the above
Which of the complying with procedures occurs once oxygen is unavailable?
A. Pyruvate oxidationB. The citric acid cycleC. FermentationD. An electron deliver chainE. All of the above
When a molecule loses hydrogen atoms (as opposed to hydrogen ions), it becomes
A. reduced.B. oxidized.C. redoxed.D. hydrogenated.E. hydrolyzed.
The finish result of glycolysis is the
A. creation of 38 molecules of ATP.B. reduction of 8 molecules of NADVERTISEMENT.C. development of 2 molecules of pyruvate.D. convariation of 1 molecule of glucose to lactic acid.E. None of the above
Animals breathe in air containing oxygen and also breathe out air via less oxygen and also even more carbon dioxide. The carbon dioxide comes from
A. hydrocarbons and the air.B. the citric acid cycle.C. glycolysis.D. waste products.E. All of the above
In yeast, if the citric acid cycle is shut down because of a lack of oxygen, glycolysis will probably
A. shut dvery own.B. increase.C. develop even more ATP per mole of glucose.D. develop even more NADH per mole of glucose.E. create acetyl CoA for fatty acid synthesis.
Before starch deserve to be provided for repiratiory ATP production, it mush be hydrolyzed to
A. pyruvate.B. fatty acids.C. amino acids.D. glucose.E. oxaloacetate.
The proton-motive force is
A. ATP synthase.B. the proton concentration gradient and electric charge distinction.C. a metabolic pathway.D. a redox reaction.E. None of the above
In steps 6-10 of glycolysis, the conversion of 1 mole of glyceraldehyde 3-phosphate to pyruvate yields 2 moles of ATP. But the oxidation of glucose to pyruvate produces a complete of 4 moles of ATP. Wright here execute the remaining 2 moles of ATP come from?
A. One mole of glucose returns 2 moles of glyceraldehyde 3-phosphate.B. Two moles of ATP are offered throughout the convariation of glucose to glyceraldehyde 3-phosphate.C. Glycolysis produces 2 moles of NADH.D. Fermentation of pyruvate to lactic acid yields 2 moles of ATP.E. Fermentation of pyruvate to lactic acid yields 2 moles of NAD+.
Many ATP created in our bodies is made
A. by glycolysis.B. in the citric acid cycle.C. making use of ATP synthase.D. from photosynthesis.E. by burning fat.
Which of the following statements regarding cellular energy-harvesting pathmeans is false?A. The net amount of ATP made during cellular respiration is greater than that made in the time of fermentation.B. The products of glycolysis can be used in either cellular respiration or fermentation.C. Both cellular respiration and fermentation call for O2 as an electron acceptor.D. Both cellular respiration and also fermentation involve a number of biochemical reactions.E. Plant-eating pets have the right to attain power from the commodities of photosynthesis.
Which of the adhering to statements about the oxidation–reduction reactivity shown right here is true?A. Reactant A is the oxidizing agent.B. Reactant B is oxidized.C. Reactant B is the reducing agent.D. Both oxidation and reduction happen together.E. In the reverse reactivity, reactant B is the oxidizing agent.
Which of the following statements concerning the coupled reactions displayed in the figure is false?A. AH is oxidized.B. NAD+ acts as a reducing agent.C. The oxidation of NADH by O2 is exergonic.D. NADH is a reducing agent.E. B acts as an oxidizing agent.
Which of the complying with statements regarding NAD+ and NADH (view figure) is false?A. NAD+ is the oxidized form of the molecule.B. Free power is released throughout the oxidation of NADH by O2.C. The lessened form of this molecule is NADH.D. NAD+ and FAD transport electrons during the contend oxidation of glucose.E. NAD+ is found only in the cytoplasm.
Which of the adhering to statements regarding energy balance in glycolysis is false?A. Two of the first 5 steps of glycolysis require ATP.B. Glycolysis would certainly proceed also after every one of the NAD+ is lessened.C. Energy is harvested in the develop of NADH and also ATP in 3 of the last 5 steps of glycolysis.D. The ATP produced during glycolysis occurs by substrate-level phosphorylation.E. The power shed from the glucose molecule as it is metabolized to pyruvate is conserved by coupling glucose catabolism to the formation of ATP and NADH.
Which of the adhering to events does not take location throughout pyruvate oxidation?A. Pyruvate is oxidized to create acetyl CoA.B. Acetyl CoA development occurs in the mitochondrial matrix.C. Cytoplasmic NAD+ is decreased in eukaryotes.D. One molecule of CO2 is developed for each pyruvate oxidized.E. Coenzyme A is supplied to bind to the 2-carbon acetyl moiety.
Which of the following statements about the citric acid cycle portrayed right here is false?A. The major inputs to the cycle are acetyl CoA, NAD+ and FADVERTISEMENT, ADP, and Pi.B. The outputs of the cycle are CO2, ATP, NADH, FADH2, and Coenzyme A.C. The development of citric acid from acetyl CoA is the initial step in the cycle.D. Energy released throughout the cycle is caught in ATP, NADH, and also FADH2.E. There is no substrate-level ATP synthesis in the citric acid cycle as tright here is in glycolysis.
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Which of the complying with statements concerning the process of lactic acid fermentation (see figure) is false?A. Lactic acid is formed with the oxidation of pyruvate throughout lactic acid fermentation.B. Lactic acid fermentation have the right to take place in microorganisms.C. Lactic acid fermentation can happen in certain tissues of animal bodies.D. NAD+ is recreated throughout lactic acid fermentation for use in glycolysis.E. Lactic acid fermentation produces as much ATP per molecule of glucose as alcoholic fermentation.