you are certainly talking about this picture:
a: is the label of the white square, it is showing the replication fork, formed by helicase (d) ==> so it is the site of dna separation and replication
b: is a new dna brand that is following directly the replication fork, so it is continuous ==> built continuously from 5' to 3
c: dna polymerase cannot replicate dna on its own, it needs the of their proteins, and one of them plays the role of a clamp which fixes the dna with the dna template and increases the processivity of the enzyme. ==> stops polymerase from falling off the template.
d: is the enzyme responsible for forming the replication fork (helicase) ==> unwinds and separates dna into two strands
e: is the delayed strand, it is built in the opposite sense of the helicase, so dna will be built in fragments ==> built fragments from 5' to 3 joins
and finally f: is the enzyme that builds the new dna strand (dna polymerase) ==> adds nucleotides to make a new dna helix.
credit: gradman555p98x9p
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