The Mechanism Of Transcription In Bacteria - Molecular Biology | Biology+

Course

Cell Biology

Study Pack

Set 1: A Brief History

Set 2: The Molecular Nature of Genes

Set 3: An Introduction to Gene Function

Set 4: Molecular Cloning Methods

Set 5: Molecular Tools for Studying Genes and Gene Activity

Set 6: The Mechanism of Transcription in Bacteria

Set 7: Operons: Fine Control of Bacterial Transcription

Set 8: Major Shifts in Bacterial Transcription

Set 9: Dna-Protein Interactions in Bacteria

Set 10: Eukaryotic Rna Polymerases and Their Promoters

Set 11: General Transcription Factors in Eukaryotes

Set 12: Transcription Activators in Eukaryotes

Set 13: Chromatin Structure and Its Effect on Transcription

Set 14: Rna Processing I: Splicing

Set 15: Rna Processing II: Capping and Polyadenylation

Set 16: Rna Processing: Other Post-Transcriptional Events

Set 17: The Mechanism of Translation I: Initiation

Set 18: The Mechanism of Translation II: Elongation and Termination

Set 19: Ribosomes and Transfer Rna

Set 20: Dna Replication,damage and Repair

Set 21: Dna Replication II: Detailed Mechanism

Set 22: Homologous Recombination

Set 23: Transposition

Set 24: Introduction to Genomics: Dna Sequencing on a Genomic Scale

Set 25: Genomics II: Functional Genomics,proteomics and Bioinformatics

Set 6 The Mechanism Of Transcription In Bacteria

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Set 6 The Mechanism Of Transcription In Bacteria

(Multiple Choice)

Free

Which of the following is true about the holoenzyme in an open complex?

A)The DNA is bound mainly to the sigma-subunit.
B)There no interaction between the sigma factor and the -10 region.
C)There are two Na⁺ ions in the core enzyme .
D)Region 2.4 of the sigma-factor binds to the -35 region.
E)The DNA is bound mainly to the sigma-subunit and there no interaction between the sigma factor and the -10 region are both true.

Answer

(Short Answer)

Free

______________ can be used to block initiation of RNA synthesis.

Answer

(True False)

Free

The sigma subunit in RNA polymerase is necessary for the transcription of intermediate genes and RNA elongation.

Answer