Question 1

What type of enzyme is enolase, which catalyzes the conversion of 2-phosphoglycerate to phosphoenolpyruvate and water?

Accepted Answer

A)  transferase 
B)  hydrolase 
C)  ligase 
D)  lyase 
E)  oxidoreductase 
A)  transferase 
B)  hydrolase 
C)  ligase 
D)  lyase 
E)  oxidoreductase

Question 2

What cellular location contains pyruvate dehydrogenase and most of the citric acid cycle enzymes?

Accepted Answer

A)  cytosol 
B)  mitochondrial matrix 
C)  inner mitochondrial membrane 
D)  mitochondrial intermembrane space 
E)  outer mitochondrial membrane 
A)  cytosol 
B)  mitochondrial matrix 
C)  inner mitochondrial membrane 
D)  mitochondrial intermembrane space 
E)  outer mitochondrial membrane

Question 3

Which enzyme has an intermediate of the form presented below?

Accepted Answer

A)  phosphofructokinase 
B)  aldolase 
C)  pyruvate dehydrogenase 
D)  glyceraldehyde-3-phosphate decarboxylase 
E)  triose phosphate isomerase 
A)  phosphofructokinase 
B)  aldolase 
C)  pyruvate dehydrogenase 
D)  glyceraldehyde-3-phosphate decarboxylase 
E)  triose phosphate isomerase

Question 4

Glyceraldehyde-3-PO4 is oxidized to _____, which can transfer a phosphate to _____.

Accepted Answer

A)  phosphoenolpyruvate; ADP 
B)  phosphoenolpyruvate; AMP 
C)  1,3-bisphosphoglycerate; ADP 
D)  1,3-bisphosphoglycerate; AMP 
E)  3-phosphoglycerate; ADP 
A)  phosphoenolpyruvate; ADP 
B)  phosphoenolpyruvate; AMP 
C)  1,3-bisphosphoglycerate; ADP 
D)  1,3-bisphosphoglycerate; AMP 
E)  3-phosphoglycerate; ADP

Question 5

Which of the following enzymes requires ATP as a substrate?

Accepted Answer

A)  phosphofructokinase 
B)  phosphoglucose isomerase 
C)  aldolase 
D)  triose phosphate isomerase 
E)  enolase 
A)  phosphofructokinase 
B)  phosphoglucose isomerase 
C)  aldolase 
D)  triose phosphate isomerase 
E)  enolase

Question 6

What sort of activity does fructose-1,6-bisphosphate have on pyruvate kinase?

Accepted Answer

A)  no effect 
B)  competitive inhibitor 
C)  noncompetitive inhibitor 
D)  allosteric inhibitor 
E)  activator 
A)  no effect 
B)  competitive inhibitor 
C)  noncompetitive inhibitor 
D)  allosteric inhibitor 
E)  activator

What type of enzyme is enolase, which catalyzes the conversion of 2-phosphoglycerate to phosphoenolpyruvate and water?

What cellular location contains pyruvate dehydrogenase and most of the citric acid cycle enzymes?

Which enzyme has an intermediate of the form presented below?

Glyceraldehyde-3-PO4 is oxidized to _, which can transfer a phosphate to _.

Which of the following enzymes requires ATP as a substrate?

What sort of activity does fructose-1,6-bisphosphate have on pyruvate kinase?

The Chemical Foundations of Biochemistry

Nucleic Acids

Proteins I

Proteins Iienzymes

Membranes and an Introduction to Signal Transduction

The Common Catabolic Pathway

Carbohydrates II

Lipids I

Lipids II

Amine Metabolism

Metabolism Integration

Nucleotide Deoxynucleotide Metabolism

Dna Replication, Damage and Repair

Rna Synthesis

Protein

Control of Gene

Determination of Macromolecular Structure

Allosterism and Receptor-Ligand

Designer Proteins and Protein Folding

Biomolecule Purification

Bioinformatics and Omics

Signal

Protein Trafficking

Photosynthesis Nitrogen

Filters

Exam 6: Carbohydrates I

What type of enzyme is enolase, which catalyzes the conversion of 2-phosphoglycerate to phosphoenolpyruvate and water?

What cellular location contains pyruvate dehydrogenase and most of the citric acid cycle enzymes?

Which enzyme has an intermediate of the form presented below?

Glyceraldehyde-3-PO4 is oxidized to _____, which can transfer a phosphate to _____.

Which of the following enzymes requires ATP as a substrate?

What sort of activity does fructose-1,6-bisphosphate have on pyruvate kinase?

The Chemical Foundations of Biochemistry

Nucleic Acids

Proteins I

Proteins Iienzymes

Membranes and an Introduction to Signal Transduction

The Common Catabolic Pathway

Carbohydrates II

Lipids I

Lipids II

Amine Metabolism

Metabolism Integration

Nucleotide Deoxynucleotide Metabolism

Dna Replication, Damage and Repair

Rna Synthesis

Protein

Control of Gene

Determination of Macromolecular Structure

Allosterism and Receptor-Ligand

Designer Proteins and Protein Folding

Biomolecule Purification

Bioinformatics and Omics

Signal

Protein Trafficking

Photosynthesis Nitrogen

Filters

Glyceraldehyde-3-PO4 is oxidized to _, which can transfer a phosphate to _.