An Enzyme with multiple active sites where the substrate is also an activator wo

Question

An Enzyme with multiple active sites where the substrate is also an activator would NOT: Show be affected by pH be affected by temperature show kinetics be affected by inhibitors In a redox reaction, reduction of biological compound, such as NAD^+, is often accompanied by that compound: losing an oxygen atom losing a hydrogen atom gaining a hydrogen atom losing free energy none of the above In the 1st step of the payoff phase of glycolysis, G3P + NAD^+ rightarrow BPG + NADH an excess of BPG and NADH would: have no effect on the reaction, detla G for each reaction is always the same increase the reaction rate of G3P dehydrogenase prevent and possibly reverse the reaction, delta G will go from being negative to being positive inhibit fermentation none of the above In cellular respiration, carbon oxidation occurs primarily: In the cytoplasm during glycolysis In the mitochondria matrix during cycle In the mitochondria matrix during glycolysis In the space during oxidative respiration In the cytoplasm during decarboxylation/kreb's cycle In anaerobic respiration, fermentation is necessary to remove: (mark all that apply) Glucose ATP NADH Pyruvate lactic acid In cellular respiration NADH is most directly used to: make ATP reduce O_2 wind ATP synthase pump H^+ oxidize carbon

Explanation / Answer

32. Answer e Inhibitors always bind with enzyme not with substrate.

33. Answer C NAD+ is an oxidizing agent it accept electron from other molecules and become reduced.

34.

35. Answer C Pyruvate is oxidized to acetyl CoA and CO2 by the pyruvate dehydrigenase in the mitochondria Of eukaryotic cell.

36 answer C The purpose of extra reaction in fermentation is to regenerate the electron carrier NAD+ from the NADH.

37 .in cellular respiration NADH is most directly use to pump H+ answerD

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