Question 1

Which of the following describes the correct sequence of enzyme activity upon the lagging strand?

Accepted Answer

A) primase,DNA ligase,DNA polymerase I,DNA polymerase III 
B) primase,DNA polymerase I,DNA polymerase III,DNA ligase 
C) DNA polymerase III,primase,DNA polymerase I,DNA ligase 
D) primase,DNA ligase,DNA polymerase III,DNA polymerase I 
E) primase,DNA polymerase III,DNA polymerase I,DNA ligase 
A) primase,DNA ligase,DNA polymerase I,DNA polymerase III 
B) primase,DNA polymerase I,DNA polymerase III,DNA ligase 
C) DNA polymerase III,primase,DNA polymerase I,DNA ligase 
D) primase,DNA ligase,DNA polymerase III,DNA polymerase I 
E) primase,DNA polymerase III,DNA polymerase I,DNA ligase

Question 2

Type I topoisomerases break _____ strand(s)of DNA;type II topoisomerases break _____strand(s)of DNA.DNA gyrase is a type ___ topoisomerase.

Accepted Answer

A) both;1;I 
B) both;1;I. 
C) both;1;III 
D) 1;both;I 
E) 1;both;II 
A) both;1;I 
B) both;1;I. 
C) both;1;III 
D) 1;both;I 
E) 1;both;II

Question 3

Which of the following DNA polymerases is correctly defined?

Accepted Answer

A) polymerase I: DNA repair 
B) polymerase I: RNA primer excision 
C) polymerase II: DNA repair 
D) polymerase III: nucleotide incorporation during replication 
E) all of the above 
A) polymerase I: DNA repair 
B) polymerase I: RNA primer excision 
C) polymerase II: DNA repair 
D) polymerase III: nucleotide incorporation during replication 
E) all of the above

Question 4

For the following sequence,indicate the RNA primer that would be needed to start synthesis of the Okazaki fragment.
5'-A-A-C-T-A-G-A-C-C-A-G-A-3'

Accepted Answer

3'-U-U-G-A

Which of the following describes the correct sequence of enzyme activity upon the lagging strand?

Type I topoisomerases break ___ strand(s)of DNA;type II topoisomerases break _strand(s)of DNA.DNA gyrase is a type _ topoisomerase.

Which of the following DNA polymerases is correctly defined?

For the following sequence,indicate the RNA primer that would be needed to start synthesis of the Okazaki fragment. 5'-A-A-C-T-A-G-A-C-C-A-G-A-3'

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

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 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 25: Dna Replication

Which of the following describes the correct sequence of enzyme activity upon the lagging strand?

Type I topoisomerases break _____ strand(s)of DNA;type II topoisomerases break _____strand(s)of DNA.DNA gyrase is a type ___ topoisomerase.

Which of the following DNA polymerases is correctly defined?

For the following sequence,indicate the RNA primer that would be needed to start synthesis of the Okazaki fragment. 5'-A-A-C-T-A-G-A-C-C-A-G-A-3'

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

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 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

Type I topoisomerases break ___ strand(s)of DNA;type II topoisomerases break _strand(s)of DNA.DNA gyrase is a type _ topoisomerase.