Fermentation is a strategy used by cells to a. oxidize NADH. b. reduce рyruvate. increase 02 levels. C. reduce CO2 levels. limit glycolysis. d. e. a b.
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- The effect of high levels of ADP is to_inv_cellular respiration. a. increase the activity of specific enzymes b. decrease the activity of specific enzymes c. have no effect on the activity of specific enzymes d. slow down the pathwayWhen unlimited energy (glucose = 100 and fat = 100) is available and pyruvate processing is inhibited (100%), the electron transport chain (ETC) runs at a _________ rate. a,Low (1 - 30%) b, Stops (1% or less) c, Moderate (31 - 70%) d, High (71 - 100%)The reduction of NAD+ producesa. acetyl CoA.b. pyruvate.c. NADH.d. oxygen gas.
- NAD+ is regenerated duringa. glycolysis.b. fermentation.c. the Krebs cycle.d. the formation of acetyl-CoA.Which of the following reactions is the most exergonic? a Conversion of PEP to Pyruvate b Conversion of Glucose-6-phosphate to Glucose c All of the reactions are equally exergonic. d Hydrolysis of ATPIn this experiment, the production of carbon dioxide was used to measure the rate of respiration. With your knowledge about respiration , what is another way to measure the rate of respiration? a. measure how much sugar is produced b. measure how much water is used c. measure how much oxygen is used
- Which feature of anaerobic and aerobic respiration is different? Select one: a.Use of electron transport system b.Use of the Electron Donor c.Use of proton motive force d.None of the Above e.Use of the Electron AcceptorThe final net products of ________ are 2 molecules of ATP and 2 NADH. a. pyruvate oxidation b. the citric acid cycle c. glycolysisChoose the incorrect statement for respiration a.It involves biological oxidation of organic as well as inorganic molecules b.Roots, stems and leaves respire at rates lower than animals c.Plant leaves utilise the 02 released during photosynthesis d.Carbon dioxide, water and energy are the products of respiration
- All types of fermentation are necessary to ________. a. produce gases required by the environment b. ensure an adequate supply of NAD+ is regenerated c. ensure an adequate supply of ATP is regenerated6. The CO2 released when we exhale is produced by:a) Glycolysis (glucose to pyruvate)b) The respiratory chain (electron transport chain)c) By pyruvate decarboxylation and by the TCA cycle.d) Fermentatione) All of the aboveSix-carbon Glucose is completely oxidized to CO2 and H2O during respiratory metabolism. When do these "decarboxylation" reactions occur? A. First five steps of glycolysis B. Last five steps of glycolysis C. Pyruvate Oxidation D. Citric Acid/Krebs Cycle E. Both C and D above
