In DNA replication, one strand is synthesized in a single continuous piece by an enzyme that works the replication fork. The other strand is composed of Okazaki fragments that are linked into a single strand by an enzyme called .

1. toward2. DNA ligase

Explanation:

DNA replication is a process in which the synthesis of the new strand takes place from parental DNA or strand. DNA polymerase is an important enzyme that is responsible for the adding of the nucleotide and thus forms a new strand. During the process of synthesis one strand is synthesized in continuous forms that goes toward the replication fork and called as a leading strand that moves in 3' to 5' direction. The other strand that is synthesized in pieces form that is known as lagging strand and the pieces of the DNA is joined by an important enzyme known as DNA ligase.

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