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Each of the 3 RNA polymerase in eukaryotes perform a different function. For example, RNA pol 2 is involved in mRNA synthesis, RNA pol 1 synthesizes most rRNAs and RNA pol 3 synthesizes tRNNA, the 5S rRNA and other small nuclear RNAS. Eukaryotes are more complex than prokaryotes, hence why eukaryotes would require more RNA polymerases.
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What are the different types of RNA polymerases and their promoters?
There are three different types of RNA polymerases in eukaryotic cells: RNA polymerase I, II, and III. Each type is responsible for transcribing a specific set of genes. RNA polymerase I transcribes ribosomal RNA genes, RNA polymerase II transcribes protein-coding genes, and RNA polymerase III transcribes small structural RNA genes. The promoters for each type of RNA polymerase are different and contain specific sequences that are recognized by the polymerase to initiate transcription.
In which direction does RNA polymerase read a DNA strand?
The correct answer is: RNA is synthesized by RNA polymerase that reads one strand of DNA. RNA polymerase reads DNA 3' to 5'. When RNA is made, it is made 5' to 3'. Most polymerases have the 3' to 5' "reading" activity. The created RNA strand is identical to the coding strand of DNA, which is also in the orientation of 5' to 3'.
What is produced in transcription?
Transcription in Prokaryotes requires one enzyme for the 4 stages of: 1) binding of RNA polymerase holoenzyme at promoter sites, 2) initiation of polymerization, 3) chain elongation, and 4) chain termination Transcription in Eukaryotes requires three RNA polymerases I, II, and III transcribe rRNA, mRNA, and tRNA genes respectively.
In what direction does RNA polymerase read DNA during transcription?
RNA polymerase reads DNA in the 3' to 5' direction during transcription.
How does RNA polymerase use DNA?
RNA polymerase reads the DNA template and synthesizes a complementary RNA strand by linking together RNA nucleotides according to the base pairing rules. RNA polymerase moves along the DNA strand in the 3' to 5' direction, synthesizing the RNA transcript in the 5' to 3' direction.
What is a RNA primer removed by?
A RNA primer in DNA replication is removed by an enzyme called DNA polymerase I in prokaryotes and DNA polymerase δ in eukaryotes. These enzymes have exonuclease activity that can remove RNA primers and replace them with DNA nucleotides.
What enzyme attaches RNA nucleotides the the exposed 3' end of a growing mRNA transcript?
RNA Polymerase
What are the different types of RNA polymerases and their promoters?
There are three different types of RNA polymerases in eukaryotic cells: RNA polymerase I, II, and III. Each type is responsible for transcribing a specific set of genes. RNA polymerase I transcribes ribosomal RNA genes, RNA polymerase II transcribes protein-coding genes, and RNA polymerase III transcribes small structural RNA genes. The promoters for each type of RNA polymerase are different and contain specific sequences that are recognized by the polymerase to initiate transcription.
In which direction does RNA polymerase read a DNA strand?
The correct answer is: RNA is synthesized by RNA polymerase that reads one strand of DNA. RNA polymerase reads DNA 3' to 5'. When RNA is made, it is made 5' to 3'. Most polymerases have the 3' to 5' "reading" activity. The created RNA strand is identical to the coding strand of DNA, which is also in the orientation of 5' to 3'.
Where does the RNA polymerase moves down?
RNA polymerase catalyze the synthesis of RNA by copying the DNA. It occurs in the 5' to 3' direction(moves down).
What is produced in transcription?
Transcription in Prokaryotes requires one enzyme for the 4 stages of: 1) binding of RNA polymerase holoenzyme at promoter sites, 2) initiation of polymerization, 3) chain elongation, and 4) chain termination Transcription in Eukaryotes requires three RNA polymerases I, II, and III transcribe rRNA, mRNA, and tRNA genes respectively.
In what direction does RNA polymerase read DNA during transcription?
RNA polymerase reads DNA in the 3' to 5' direction during transcription.
How does RNA polymerase use DNA?
RNA polymerase reads the DNA template and synthesizes a complementary RNA strand by linking together RNA nucleotides according to the base pairing rules. RNA polymerase moves along the DNA strand in the 3' to 5' direction, synthesizing the RNA transcript in the 5' to 3' direction.
What direction does RNA polymerase move along the DNA?
Nucleotides are being added as RNA polymerase moves along the DNA template strand.
In what way does RNA polymerase move during transcription?
During transcription, RNA polymerase moves along the DNA strand in a 3' to 5' direction, synthesizing a complementary RNA strand in the 5' to 3' direction.
In what direction does RNA polymerase read during transcription?
RNA polymerase reads the DNA template strand in the 3' to 5' direction during transcription.
In which direction does RNA polymerase read during transcription?
RNA polymerase reads the DNA template strand in the 3' to 5' direction during transcription.
