Dna Metabolism Replication Recombination And Repair - Biochemistry | Biology+

Course

Biochemistry

Study Pack

Set 1: The Facts of Life: Chemistry Is the Logic of Biological Phenomena

Set 2: Water: the Medium of Life

Set 3: Thermodynamics of Biological Systems

Set 4: Amino Acids and the Peptide Bond

Set 5: Proteins: Their Primary Structure and Biological Functions

Set 6: Proteins: Secondary, Tertiary, and Quaternary Structure

Set 7: Carbohydrates and the Glycoconjugates of Cell Surfaces

Set 9: Membranes and Membrane Transport

Set 10: Nucleotides and Nucleic Acids

Set 11: Structure of Nucleic Acids

Set 12: Recombinant Dna, Cloning, Chimeric Genes, and Synthetic Biology

Set 13: Enzymeskinetics and Specificity

Set 14: Mechanisms of Enzyme Action

Set 15: Enzyme Regulation

Set 16: Molecular Motors

Set 17: Metabolism: an Overview

Set 18: Glycolysis

Set 19: The Tricarboxylic Acid Cycle

Set 20: Electron Transport and Oxidative Phosphorylation

Set 21: Photosynthesis

Set 22: Gluconeogenesis, Glycogen Metabolism, and the Pentose Phosphate Pathway

Set 23: Fatty Acid Catabolism

Set 24: Lipid Biosynthesis

Set 25: Nitrogen Acquisition and Amino Acid Metabolism

Set 26: Synthesis and Degradation of Nucleotides

Set 27: Metabolic Integration and Organ Specialization

Set 28: Dna Metabolism: Replication, Recombination, and Repair

Set 29: Transcription and the Regulation of Gene Expression

Set 30: Protein Synthesis

Set 31: Completing the Protein Life Cycle: Folding, Processing, and Degradation

Set 32: The Reception and Transmission of Extracellular Information

Set 28 Dna Metabolism Replication Recombination And Repair

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Set 28 Dna Metabolism Replication Recombination And Repair

(Multiple Choice)

Free

The enzyme that removes the RNA primer from the Okazaki fragment is:

A) DNA polymerase I.
B) DNA ligase.
C) helicase.
D) DNA polymerase III.
E) DNA gyrase.

Answer

(Multiple Choice)

Free

All of the following are characteristic of replication of the E. coli circular chromosome EXCEPT:

A) replication is bi-directional.
B) it initiates at a unique position called oriC.
C) torsional stress introduced in the duplex DNA is relieved by DNA gyrase.
D) the unwinding of the duplex DNA is driven by the translocation of the DNA polymerase.
E) replication forks move in opposite directions.

Answer

(Multiple Choice)

Free

DNA polymerases share all of the following characteristics EXCEPT:

A) incoming bases are paired with corresponding bases on the template strand within the polymerase active site
B) polymerization proceeds in a 5'→3' direction
C) polymerization is antiparallel to template strand
D) strong processivity
E) polymerization is dependent upon the presence of an oligonucleotide primer

Answer