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Is the enzyme that allows replication to occur DNA polymerase or RNA polymerase?
DNA polymerase replicated DNA. RNA polymerase creates mRNA to be used in protein synthesis. RNA polymerase does not replicated DNA.
The location where DNA polymerase attaches to the DNA strand?
DNA polymerase attaches to the DNA strand at a specific region called the origin of replication. This is where the double-stranded DNA is unwound, creating two template strands for DNA synthesis to occur. DNA polymerase then begins replicating the DNA in a 5' to 3' direction.
How does the process of DNA replication occur, considering the fact that DNA polymerase can only add nucleotides?
During DNA replication, the enzyme DNA polymerase adds nucleotides to the growing DNA strand by matching them with the complementary nucleotides on the template strand. This process ensures accurate copying of the genetic information.
What happens to DNA polymerase if the protein is not present?
Without DNA polymerase, DNA replication cannot occur effectively, leading to incomplete or inaccurate copying of the DNA template. This can lead to mutations, genetic disorders, and cell death. The absence of DNA polymerase can disrupt the cell cycle and ultimately impair cell function and viability.
How does mutations occur during DNA replication and transcription?
During DNA replication, mutations can occur due to errors made by DNA polymerase when copying the DNA template. These errors can result in base substitutions, insertions, or deletions in the new DNA strand. During transcription, mutations can occur if RNA polymerase inserts the wrong nucleotide into the messenger RNA (mRNA) strand, leading to incorrect genetic information being transcribed from the DNA template.
DNA replication occurs with or without the aid of enzymes?
DNA replication requires the aid of enzymes. Enzymes like DNA polymerase and helicase are crucial for unwinding the DNA double helix, synthesizing new DNA strands, and proofreading and repairing any errors that may occur during replication. Without these enzymes, DNA replication cannot proceed effectively and accurately.
What patrols DNA looking for errors?
The enzyme known as DNA polymerase is responsible for proofreading and repairing errors that occur during DNA replication. Its proofreading function helps to maintain the integrity of the DNA sequence by identifying and correcting mistakes.
Can the DNA polymerase editing function remove DNA adducts?
No, DNA polymerase does not have the ability to remove DNA adducts. Adducts are chemical modifications that occur on the DNA molecule, and they typically require specialized DNA repair enzymes to be removed. DNA polymerase is primarily responsible for synthesizing new DNA strands during replication and repair processes.
What process must occur before mitosis and meiosis produces two identical dna strands from one original template and uses dna polymerase enzyme to produce the copy?
DNA replication
DNA replication and transcription occur in the what?
DNA replication and transcription occur in the nucleus of eukaryotic cells. In prokaryotic cells, replication and transcription occur in the cytoplasm.
What enzymes build DNA?
Enzymes involved in DNA replication include DNA polymerase, helicase, primase, ligase, and topoisomerase. These enzymes work together to unwind the DNA helix, synthesize new DNA strands, and repair any mistakes that may occur during the process.
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.
