Podcast
Questions and Answers
What is the function of the origin recognition complex (ORC) in eukaryotic DNA replication?
What is the function of the origin recognition complex (ORC) in eukaryotic DNA replication?
- It keeps the two DNA strands separated and protected from nucleases
- It decreases the time needed for replication
- It is responsible for unwinding and separating the two DNA strands
- It achieves origin recognition (correct)
Which protein is responsible for unwinding and separating the two DNA strands during eukaryotic DNA replication?
Which protein is responsible for unwinding and separating the two DNA strands during eukaryotic DNA replication?
- SSB (single strand binding) proteins
- RPA (replication protein A)
- MCM (minichromosome maintenance complex) (correct)
- ORC (origin recognition complex)
What is a characteristic feature of the origins of replication in eukaryotic DNA?
What is a characteristic feature of the origins of replication in eukaryotic DNA?
- They are achieved by SSB proteins
- They result in multiple replication forks or bubbles (correct)
- They decrease the time needed for replication
- They are rich in G-C base pairs
Which type of DNA polymerase is involved in eukaryotic DNA replication?
Which type of DNA polymerase is involved in eukaryotic DNA replication?
What is the role of replication protein A (RPA) in eukaryotic DNA replication?
What is the role of replication protein A (RPA) in eukaryotic DNA replication?
What is the molecular mechanism responsible for addressing the end replication problem in eukaryotic DNA?
What is the molecular mechanism responsible for addressing the end replication problem in eukaryotic DNA?
Which DNA polymerase is responsible for mitochondrial DNA synthesis in eukaryotes?
Which DNA polymerase is responsible for mitochondrial DNA synthesis in eukaryotes?
What is the function of DNA polymerase δ in eukaryotes?
What is the function of DNA polymerase δ in eukaryotes?
Which enzyme is responsible for the removal of RNA primers in eukaryotic DNA replication?
Which enzyme is responsible for the removal of RNA primers in eukaryotic DNA replication?
What is the function of telomerase in eukaryotic cells?
What is the function of telomerase in eukaryotic cells?
What happens when telomeres are shortened beyond a critical length in eukaryotic cells?
What happens when telomeres are shortened beyond a critical length in eukaryotic cells?
Which enzyme is responsible for joining ends of two segments of DNA by catalyzing the formation of phosphodiester bond?
Which enzyme is responsible for joining ends of two segments of DNA by catalyzing the formation of phosphodiester bond?
What is the function of PCNA (proliferating cell nuclear antigen) in eukaryotic DNA replication?
What is the function of PCNA (proliferating cell nuclear antigen) in eukaryotic DNA replication?
What is the role of DNA topoisomerases in DNA replication?
What is the role of DNA topoisomerases in DNA replication?
What is the function of DNA polymerase ε in eukaryotic cells?
What is the function of DNA polymerase ε in eukaryotic cells?
What happens when telomeres are shortened beyond a critical length in eukaryotic cells?
What happens when telomeres are shortened beyond a critical length in eukaryotic cells?
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