What enzyme will not be used if the oxidative portion of the pentose phosphate pathway is operating to produce ribose 5-phosphate? Ribulose 5-phosphate isomerase 6-phosphoglucono-lactonase 6-phosphogluconate dehydrogenase Transaldolase

Which of the following statements inaccurately describes glutamate dehydrogenase? Glutamate dehydrogenase uses either NAD+ or NADP+ in a redox reaction Glutamate dehydrogenase catalyzes an oxidative deamination reaction Glutamate dehydrogenase equilibrium lies with the reductive amination of glutamate Glutamate dehydrogenase utilizes hydrolysis to release ammonium from an imine intermediate

Match the following B vitamins with the roles of their coenzymes: riboflavin [ Choose ] niacin [ Choose ] pantothenic acid [ Choose ] vitamin B6 [ Choose ]

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Which one of the following regarding the chemistry of glycolysis & gluconeogenesis is FALSE? Reaction 6 of glycolysis catalyzed by glyceraldehyde-3-phosphate dehydrogenase involves oxidation & addition of a P; group. Reaction 3 of gluconeogenesis catalyzed by enolase involves hydration, the addition of water to a carbon-carbon double bond (C=C) to form an alcohol. Reaction 1 of gluconeogenesis catalyzed by pyruvate carboxylase involves decarboxylation. Reaction 9 of gluconeogenesis catalyzed by fructose-1,6-bisphosphatase involves dephosphorylation (phosphoester hydrolysis). Reaction 1 of glycolysis catalyzed by hexokinase involves phosphorylation (using ATP). O 0000

The citrate cycle is a metabolic engine generating [ Select: "carbon monoxide", "NAD, FAD and GDP", "carbon dioxide, NADH, FADH, and GTP"]   from the fuel  [ Select : "triglycerides", "acetyl-CoA"].  It is considered a cycle since all components must be maintained beginning with the addition of the two carbons from acetyl-CoA to form [ Select ]  ["succinate", "citrate"] from [ Select ]["fumarate", "oxaloacetate"].  The citrate cycle depends on the presence of oxygen since [ Select ]["oxygen is directly required in the citrate cycle", "oxygen is required for NADH and FADH2 oxidation, and their accumulation in the absence of electron transport results in feedback inhibition of the citrate cycle"]            .

What glycolytic intermediate is fructose converted to in the liver, such that it can be utilized in glycolysis? Glyceraldehyde 3-phosphate Glucose 6-phosphate Fructose 6-phosphate Fructose 1-phosphate

What is the final reaction in the final round of fatty acid synthase? Acetyl-CoA ACP Transacylase Beta-Ketoacyl- ACP Synthase Beta-Ketoacyl- ACP Dehydrase Palmitoyl thioesterase Malonyl-CoA ACP Transacylase Enoyl-ACP Reductase

What enzyme is the point of regulation for fatty acid synthesis in the cytoplasm? Fatty acid synthase I Citrate lyase 3 Citrate synthase Acetyl-CoA carboxylase (2)

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