ECU Bio 1100 Exam -2 questions with answers

ECU Bio 1100 Exam #2 questions with answers
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Phosphofructokinase - CORRECT ANSWERS ✔✔Enzyme that |\ |\ |\ |\ |\ |\


Catalyzes a reaction in which ATP is both a substrate in the
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reaction and an allosteric inhibitor of the enzyme
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Pyruvate Dehydrogenase - CORRECT ANSWERS ✔✔Uses Pyruvate
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as a substrate and products of the reaction end up inside the
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mitochondrion.


Hexokinase - CORRECT ANSWERS ✔✔Transfers a phosphate from
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ATP to glucose during the energy investment phase of glycolysis.
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Pyruvate Kinase - CORRECT ANSWERS ✔✔Catalyzes a reaction
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with the products ATP and pyruvate
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Glycolysis - CORRECT ANSWERS ✔✔Metabolic pathway with the
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net products of 2 ATPs, 2 NADHs and 2 pyruvates.
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Oxidation of pyruvate to acetyl CoA - CORRECT ANSWERS
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✔✔Metabolic pathway that releases 2 CO2 molecules for every |\ |\ |\ |\ |\ |\ |\ |\ |\


glucose molecule fully catabolized during aerobic respiration.
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Process carried out by a large enzymatic complex with products 2
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NADH, 2 CO2 and 2 Acetyl CoA.
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, Krebs Cycle - CORRECT ANSWERS ✔✔Major metabolic pathway
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originally named after the product of following chemical reaction:
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oxaloacetate + acetyl CoA ---> citrate
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Process that releases 4 CO2 molecules for every glucose fully
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catabolized in cellular respiration. |\ |\ |\




Glycolysis - CORRECT ANSWERS ✔✔Metabolic pathway that gets
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its name from the following reaction: Fructose-1,6-bisphosphate --
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> glyceradehyde-3-phosphate + dihydroxyacetone phosphate
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Many enzymes are present in a cell, but in an inactive form until
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they are needed, or can be inactivated when they are not
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needed. What, involving a covalent modification, is a common
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mechanism for regulating enzymes? - CORRECT ANSWERS |\ |\ |\ |\ |\ |\ |\


✔✔Phosphorylation


Catabolic Reaction - CORRECT ANSWERS ✔✔Reaction or pathway
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in which the metabolic products have lower free energy than the
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reactants


Anabolic Reaction - CORRECT ANSWERS ✔✔Reactant or pathway
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in which the metabolic products have higher free energy than the
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reactants.
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Active Site - CORRECT ANSWERS ✔✔Location in an enzyme
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where the substrate for the reaction is bound.
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