Question 1

The two reactions of the citric acid cycle where CO2 is produced are catalyzed by _________ and _________

Accepted Answer

A) isocitrate dehydrogenase;$\alpha$-ketoglutarate dehydrogenase 
B) isocitrate dehydrogenase;malate dehydrogenase 
C) $\alpha$-ketoglutarate dehydrogenase;succinate dehydrogenase 
D) $\alpha$-ketoglutarate dehydrogenase;malate dehydrogenase 
E) succinate dehydrogenase;malate dehydrogenase 
A) isocitrate dehydrogenase;$\alpha$-ketoglutarate dehydrogenase 
B) isocitrate dehydrogenase;malate dehydrogenase 
C) $\alpha$-ketoglutarate dehydrogenase;succinate dehydrogenase 
D) $\alpha$-ketoglutarate dehydrogenase;malate dehydrogenase 
E) succinate dehydrogenase;malate dehydrogenase

Question 2

The most common reactions of acetyl acetyl-CoA are with a nucleophile or with a base.Show the reactions of acetyl CoA with the generic base and the generic nucleophile:

Accepted Answer

The answer of The most common reactions of acetyl acetyl-CoA...

Question 3

The reaction catalyzed by malate synthase is shown below.Which citric acid cycle enzyme would have a mechanism most similar to malate synthase?

Accepted Answer

A) malate dehydrogenase 
B) citrate synthase 
C) fumarase 
D) succinyl-CoA synthetase 
E) none of the above 
A) malate dehydrogenase 
B) citrate synthase 
C) fumarase 
D) succinyl-CoA synthetase 
E) none of the above

Question 4

The conversion of citrate to isocitrate by the enzyme aconitase is best described as ______ reaction consisting of a ________ followed by a ________.

Accepted Answer

A) isomerization;oxidation;reduction 
B) isomerization;hydration;dehydration 
C) isomerization;dehydration;hydration 
D) group transfer;dehydroxylation;hydroxylation 
E) group transfer;hydroxylation;dehydroxylation 
A) isomerization;oxidation;reduction 
B) isomerization;hydration;dehydration 
C) isomerization;dehydration;hydration 
D) group transfer;dehydroxylation;hydroxylation 
E) group transfer;hydroxylation;dehydroxylation

The two reactions of the citric acid cycle where CO₂ is produced are catalyzed by _ and _

The most common reactions of acetyl acetyl-CoA are with a nucleophile or with a base.Show the reactions of acetyl CoA with the generic base and the generic nucleophile:

The reaction catalyzed by malate synthase is shown below.Which citric acid cycle enzyme would have a mechanism most similar to malate synthase?

The conversion of citrate to isocitrate by the enzyme aconitase is best described as reaction consisting of a followed by a __.

The Scope of Biochemistry

The Matrix of Life: Weak Interactions in an Aqueous Environment

The Energetics of Life

Nucleic Acids

Introduction to Proteins: the Primary Level of Protein Structure

The Three-Dimensional Structure of Proteins

Protein Function and Evolution

Contractile Proteins and Molecular Motors

Carbohydrates: Sugars,saccharides,glycans

Lipids,membranes and Cellular Transport

Enzymes: Biological Catalysts

Chemical Logic of Metabolism

Carbohydrate Metabolism: Glycolysis, gluconeogenesis, glycogen Metabolism, and the Pentose Phosphate Pathway

Electron Transport, oxidative Phosphorylation, and Oxygen Metabolism

Photosynthesis

Lipid Metabolism I: Fatty Acids,triacylglycerols,and Lipoproteins

Interorgan and Intracellular Coordination of Energy Metabolism in Vertebrates

Lipid Metabolism Ii: Membrane Lipids, steroids, isoprenoids, and Eicosanoids

Metabolism of Nitrogenous Compounds I: Principles of Biosynthesis, utilization, and Turnover

Metabolism of Nitogenous Compounds Ii: Amino Acids, porphyrins, and Neurotransmitters

Nucleotide Metabolism

Mechanisms of Signal Transduction

Genes,genomes and Chromosomes

Dna Replication

Dna Restructuring: Repair,recombination,rearrangement,amplification

Information Readout: Transcription and Post-Transcriptional Processing

Information Decoding: Translation and Post-Translational Protein Processing

Regulation of Gene Expression

Filters

Exam 14: Citric Acid Cycle and Glyoxylate Cycle

The two reactions of the citric acid cycle where CO2 is produced are catalyzed by _________ and _________

The most common reactions of acetyl acetyl-CoA are with a nucleophile or with a base.Show the reactions of acetyl CoA with the generic base and the generic nucleophile:

The reaction catalyzed by malate synthase is shown below.Which citric acid cycle enzyme would have a mechanism most similar to malate synthase?

The conversion of citrate to isocitrate by the enzyme aconitase is best described as ______ reaction consisting of a ________ followed by a ________.

The Scope of Biochemistry

The Matrix of Life: Weak Interactions in an Aqueous Environment

The Energetics of Life

Nucleic Acids

Introduction to Proteins: the Primary Level of Protein Structure

The Three-Dimensional Structure of Proteins

Protein Function and Evolution

Contractile Proteins and Molecular Motors

Carbohydrates: Sugars,saccharides,glycans

Lipids,membranes and Cellular Transport

Enzymes: Biological Catalysts

Chemical Logic of Metabolism

Carbohydrate Metabolism: Glycolysis, gluconeogenesis, glycogen Metabolism, and the Pentose Phosphate Pathway

Electron Transport, oxidative Phosphorylation, and Oxygen Metabolism

Photosynthesis

Lipid Metabolism I: Fatty Acids,triacylglycerols,and Lipoproteins

Interorgan and Intracellular Coordination of Energy Metabolism in Vertebrates

Lipid Metabolism Ii: Membrane Lipids, steroids, isoprenoids, and Eicosanoids

Metabolism of Nitrogenous Compounds I: Principles of Biosynthesis, utilization, and Turnover

Metabolism of Nitogenous Compounds Ii: Amino Acids, porphyrins, and Neurotransmitters

Nucleotide Metabolism

Mechanisms of Signal Transduction

Genes,genomes and Chromosomes

Dna Replication

Dna Restructuring: Repair,recombination,rearrangement,amplification

Information Readout: Transcription and Post-Transcriptional Processing

Information Decoding: Translation and Post-Translational Protein Processing

Regulation of Gene Expression

Filters

The two reactions of the citric acid cycle where CO₂ is produced are catalyzed by _ and _

The conversion of citrate to isocitrate by the enzyme aconitase is best described as reaction consisting of a followed by a __.