Baccalauréat Série D Cameroun Practice Questions - Baccalauréat De L'Enseignement Secondaire Général - Série D (Mathématiques Et Sciences De La Vie Et De La Terre) Exam

DNA topoisomerase can only unwind DNA in the 3' to 5' direction along the leading strand template DNA polymerases can only polymerize new nucleotides in the 5' to 3' direction, requiring backward synthesis away from the advancing replication fork RNA primers can only bind to the leading strand, preventing continuous elongation on the lagging template Helicase cleaves the lagging strand into short single-stranded fragments prior to nucleotide insertion