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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.
What does DNA polymerase 1 do?
DNA polymerase 1 is involved in replication when proofreading and repairing of the DNA sequence as well as removal of RNA primers placed by primase so that DNA polymerase 3 can successfully attach the complementary strand of DNA
What enzyme Cuts out the RNA primer on the replicated DNA molecule and replaces it with the appropriate DNA nucleotides?
The enzyme that cuts out the RNA primer on the replicated DNA molecule and replaces it with the appropriate DNA nucleotides is DNA polymerase I in prokaryotes and DNA polymerase delta in eukaryotes. This process, known as primer removal or primer excision, is essential for completing DNA replication accurately.
What is the recommended extension time for Taq polymerase in PCR amplification?
The recommended extension time for Taq polymerase in PCR amplification is typically 1 minute per kilobase of DNA being amplified.
What is the recommended extension time for the Taq polymerase in PCR reactions?
The recommended extension time for Taq polymerase in PCR reactions is typically 1 minute per kilobase of DNA being amplified.
What is the difference between DNA polymerase III and DNA polymerase I?
pol 1 - exonuclease activity pol 2 - dna repair pol 3 - primary replication enzyme
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.
What is the difference between DNA polymerase I II and III?
DNA polymerase I, II, and III are enzymes involved in DNA replication in prokaryotes. DNA polymerase I is responsible for removing RNA primers during DNA replication and filling the gaps with DNA nucleotides. DNA polymerase II is involved in DNA repair pathways, particularly in response to DNA damage. DNA polymerase III is the main enzyme responsible for synthesizing a new DNA strand during replication. It has a high processivity and is the primary enzyme involved in synthesizing the leading and lagging strands of DNA.
What does DNA polymerase 1 do?
DNA polymerase 1 is involved in replication when proofreading and repairing of the DNA sequence as well as removal of RNA primers placed by primase so that DNA polymerase 3 can successfully attach the complementary strand of DNA
What happens During replication DNA .?
During DNA replication the following occurs: 1) An enzyme called helicase separates the DNA strands (the space where they separate is called the replication fork). 2) DNA polymerase adds complementary nucleotides to the separated strand of DNA. 3) The DNA polymerase enzyme finishes adding nucleotides and there are two identical DNA molecules.
What enzyme Cuts out the RNA primer on the replicated DNA molecule and replaces it with the appropriate DNA nucleotides?
The enzyme that cuts out the RNA primer on the replicated DNA molecule and replaces it with the appropriate DNA nucleotides is DNA polymerase I in prokaryotes and DNA polymerase delta in eukaryotes. This process, known as primer removal or primer excision, is essential for completing DNA replication accurately.
What happens at the end of the transcription from DNA to Protein?
The transcription process stops.mRNA detaches and moves to the ribosomesTranscription is the first step of gene expression, in which a particular segment of DNA is copied into RNA by the enzyme RNA polymerase.
What was the name of the first satellite launched in space?
It was called explorer 1 and was used for radio activity.
What is the recommended extension time for Taq polymerase in PCR amplification?
The recommended extension time for Taq polymerase in PCR amplification is typically 1 minute per kilobase of DNA being amplified.
What is the recommended extension time for the Taq polymerase in PCR reactions?
The recommended extension time for Taq polymerase in PCR reactions is typically 1 minute per kilobase of DNA being amplified.
Can polymerase catch and correct every reptication error?
Yes. Initially, DNA replication makes 1 mistake in a 100,000. Like spell check, DNA polymerase comes in and removes errors in base pairs and correct them by adding the right ones. After DNA polymerase checks the new strand for errors, the end result is 1 mistake in a billion. If this didn't occur, mutations would surely take place in out body.
What was the name of the first American satellite launched in space?
It was called explorer 1 and was used for radio activity.
