Order the following steps of the DNA replication process from first to last. (Fr
ID: 40029 • Letter: O
Question
Order the following steps of the DNA replication process from first to last. (From 1 to 8)
DNA ligase joins Okazaki fragmments together
Elongation of leading strands occurs continuosly and elongation of lagging strands occurs via generation of Okazaki fragments. Both are synthesized in 5' to 3' direction.
DNA polymerase I removes the RNA primers and replaces them with DNA nucleotides
DNA polymerase III starts adding DNA nucleotides to the 3' end of the existing RNA chain.
Helicase untwists the double helix at the replication fork
Single-stranded binding proteins bind the unpaired DNA strands, keeping them from re-pairing.
Topoisomerase helps releive the strain caused by DNA untwisting. It breaks, swivels and rejoins DNA strands.
Primase starts a complementary RNA chain using parental DNA strand as a template
Explanation / Answer
Helicase untwists the double helix at the replication fork.
Topoisomerase helps releive the strain caused by DNA untwisting. It breaks, swivels and rejoins DNA strands.Single-stranded binding proteins bind the unpaired DNA strands, keeping them from re-pairing.
Primase starts a complementary RNA chain using parental DNA strand as a template
DNA polymerase III starts adding DNA nucleotides to the 3' end of the existing RNA chain.
Elongation of leading strands occurs continuosly and elongation of lagging strands occurs via generation of Okazaki fragments. Both are synthesized in 5' to 3' direction.
DNA polymerase I removes the RNA primers and replaces them with DNA nucleotides
DNA ligase joins Okazaki fragmments together.
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