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Exploring Homologous Recombination and Nonhomologous End Joining in DNA Repair

Exploring Homologous Recombination And Nonhomologous End Joining In DNA Repair

Explore the intricacies of DSBR Pathways and their role in genetic stability and repair mechanisms. This educational content enhances understanding of molecular interactions within DNA, crucial for students and professionals in...

Questions: 7 | Attempts: 10 | Last updated: Aug 4, 2025

Sample Question 1
What is a major requirement in Homologous Recombination?

End Resection only a requirement in HR

Single-strand annealing

Non-homologous end joining

Homology searching

Sample Question 2
What causes the cell to choose Homologous Recombination?

Cell in G1 phase due to high levels of DNA repair enzymes present

Cell in M phase as it has the highest DNA repair efficiency at that stage

Cell in early S phase because of the availability of nucleotides for repair synthesis

Cell in late S and G2 because it requires the sister chromatid nearby to repair and because end resection is regulated by CDK1 which is only present in S and G2

Sample Question 3
Major Proteins Involved in Homologous Recombination?

Insulin Receptor

Histone Proteins

RecA, Rad51, Rad54, ATM,

DNA Polymerase

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