Question 1

The biosynthesis of cardiolipin involves the reaction of phosphatidylglycerol with a molecule of ___________.

Accepted Answer

A) phosphatidylglycerol 
B) phosphatidylserine 
C) phosphatidylethanolamine 
D) glycerol 
E) a fatty acyl-CoA 
A) phosphatidylglycerol 
B) phosphatidylserine 
C) phosphatidylethanolamine 
D) glycerol 
E) a fatty acyl-CoA

Question 2

The enzyme PGH synthase contains two different functionalities,a __________ that uses two molecules of oxygen as substrates and __________ which performs a 2 electron reduction.

Accepted Answer

A) cyclooxygenase;peroxidase 
B) cyclooxygenase;reductase 
C) dioxygenase;peroxidase 
D) dioxygenase;reductase 
E) lipoxygenase;peroxidase 
A) cyclooxygenase;peroxidase 
B) cyclooxygenase;reductase 
C) dioxygenase;peroxidase 
D) dioxygenase;reductase 
E) lipoxygenase;peroxidase

Question 3

The synthesis of phosphatidylethanolamine in prokaryotes involves _________________ while in mammals _______________ occurs.

Accepted Answer

A) reaction of CDP-diacylglycerol with ethanolamine;decarboxylation of phosphatidylserine 
B) decarboxylation of phosphatidylserine;reaction of CDP-ethanolamine with diacylglycerol 
C) reaction of phosphoethanolamine with diacylglycerol;reaction of CDP-ethanolamine with diacylglycerol 
D) decarboxylation of phosphatidylserine;reaction of CDP-diacylglycerol with ethanolamine 
E) reaction of CDP-diacylglycerol with ethanolamine;reaction of phosphoethanolamine with diacylglycerol 
A) reaction of CDP-diacylglycerol with ethanolamine;decarboxylation of phosphatidylserine 
B) decarboxylation of phosphatidylserine;reaction of CDP-ethanolamine with diacylglycerol 
C) reaction of phosphoethanolamine with diacylglycerol;reaction of CDP-ethanolamine with diacylglycerol 
D) decarboxylation of phosphatidylserine;reaction of CDP-diacylglycerol with ethanolamine 
E) reaction of CDP-diacylglycerol with ethanolamine;reaction of phosphoethanolamine with diacylglycerol

Question 4

Which of the following amino acids is critical for choline and phosphatidylcholine synthesis?

Accepted Answer

A) serine 
B) $\beta$-alanine 
C) homocysteine 
D) methionine 
E) homoserine 
A) serine 
B) $\beta$-alanine 
C) homocysteine 
D) methionine 
E) homoserine

The biosynthesis of cardiolipin involves the reaction of phosphatidylglycerol with a molecule of ___________.

The enzyme PGH synthase contains two different functionalities,a that uses two molecules of oxygen as substrates and which performs a 2 electron reduction.

The synthesis of phosphatidylethanolamine in prokaryotes involves ___ while in mammals _ occurs.

Which of the following amino acids is critical for choline and phosphatidylcholine synthesis?

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

Citric Acid Cycle and Glyoxylate Cycle

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

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

The biosynthesis of cardiolipin involves the reaction of phosphatidylglycerol with a molecule of ___________.

The enzyme PGH synthase contains two different functionalities,a __________ that uses two molecules of oxygen as substrates and __________ which performs a 2 electron reduction.

The synthesis of phosphatidylethanolamine in prokaryotes involves _________________ while in mammals _______________ occurs.

Which of the following amino acids is critical for choline and phosphatidylcholine synthesis?

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

Citric Acid Cycle and Glyoxylate Cycle

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

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 enzyme PGH synthase contains two different functionalities,a that uses two molecules of oxygen as substrates and which performs a 2 electron reduction.

The synthesis of phosphatidylethanolamine in prokaryotes involves ___ while in mammals _ occurs.