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How do the structures of the purines and pyrimidines increase the accuracy of DNA replication?
Accuracy or fidelity of replication doesnt depend on DNA bases, the fidelity or keeping the DNA as correct is accompanied by DNA polymerase enzyme!
Is DNA polymerase able to proofread the DNA sequence?
Yes, DNA polymerase has proofreading activity, which allows it to correct mistakes during DNA replication. This helps maintain the accuracy of the DNA sequence.
Which mechanism(s) operate(s) to ensure the accuracy of DNA replication?
DNA replication accuracy is ensured primarily through three mechanisms: base pairing fidelity, proofreading by DNA polymerases, and mismatch repair. During replication, DNA polymerases incorporate nucleotides based on complementary base pairing, minimizing errors. Additionally, many DNA polymerases possess a proofreading ability, allowing them to remove incorrectly paired nucleotides immediately after they are added. Finally, if any mismatches persist, the mismatch repair system detects and corrects these errors post-replication, maintaining genomic integrity.
What does DNA replication make?
DNA replication produces a copy of the DNA. At the same time the cell in which the DNA is to be found splits into two with a copy of the DNA in each. DNA replication is caused by cell replication during the process of mitosis.
When the wrong nucleotides are added to a strand of DNA during DNA replication they can never be repaired?
Incorrect nucleotides added during DNA replication can be repaired by enzymes that detect and remove the mismatched nucleotides, a process known as mismatch repair. This mechanism helps maintain the accuracy of the DNA sequence.
How do the structures of the purines and pyrimidines increase the accuracy of DNA replication?
Accuracy or fidelity of replication doesnt depend on DNA bases, the fidelity or keeping the DNA as correct is accompanied by DNA polymerase enzyme!
How does base pairing contribute to the accuracy of DNA replication?
Base pairing in DNA replication ensures that the correct nucleotides are added to the new DNA strand, matching with their complementary bases. This contributes to the accuracy of DNA replication by reducing the chances of errors or mutations in the newly synthesized DNA strand.
What are the phases when a cell's DNA is replicated?
The phases of DNA replication are initiation, where the DNA double helix is unwound and the replication bubble is formed, elongation, where new nucleotides are added to the growing DNA strands, and termination, where replication is completed and the newly synthesized DNA strands are proofread for accuracy.
Dna polymerase has a what?
DNA polymerase has a proofreading function that helps to ensure accuracy during DNA replication by checking for errors and correcting them in real time.
Which of the following check DNA for errors?
The correct answer is "Proofreading enzymes." Proofreading enzymes help to identify and correct errors in DNA replication, ensuring accuracy in the DNA sequence.
What are the areas on DNA where replication occurs called?
DNA replication begins in areas of DNA molecules are called origins of replication.
What is sliding clamp of DNA?
A sliding clamp is a protein complex that encircles DNA to keep polymerase attached during DNA replication. It acts as a platform for the polymerase to continuously copy the DNA strand without losing contact. This process enhances the efficiency and accuracy of DNA replication.
Is DNA polymerase able to proofread the DNA sequence?
Yes, DNA polymerase has proofreading activity, which allows it to correct mistakes during DNA replication. This helps maintain the accuracy of the DNA sequence.
How does the use of uracil instead of thymine impact the replication process of DNA?
The use of uracil instead of thymine in DNA replication can lead to errors in the genetic code. Uracil is normally found in RNA, not DNA. If uracil is mistakenly incorporated into DNA during replication, it can cause mutations and affect the accuracy of the genetic information passed on to new cells.
What is the base pair molecular weight and its significance in DNA replication?
The base pair molecular weight refers to the combined weight of the two nucleotide bases in a DNA pair. It is significant in DNA replication because it helps determine the accuracy and efficiency of the replication process. The molecular weight affects the stability of the DNA strands and influences the fidelity of the replication process, ensuring that the genetic information is accurately copied.
During replication what is the function of the enzyme DNA polymerase?
DNA polymerase is responsible for synthesizing new DNA strands by adding nucleotides in a complementary manner to the existing template DNA strand during replication. It also proofreads and corrects errors in the newly synthesized DNA strand, ensuring accuracy of the genetic information.
What is Major enzyme involved in replication?
DNA polymerase
