Fill in the Numbered Blanks with Single Words

Essay

Fill in the numbered blanks with single words.
When a DNA double helix is replicated, the point at which active DNA replication is occurring (where two double helices are being generated from one parental double helix) is known as a ____1____ ____2____. As DNA synthesis occurs, one of the DNA strands that is being produced, known as the ____3_____ ____4______ , is synthesized continuously in the same direction as the movement of the ____1____ ____2____. But the other strand, known as the ____5_____ ____4______ is synthesized in the opposite direction to the movement of the ____1____ ____2____. As a result it must be synthesized in short pieces (known as ____6_____ fragments, each synthesized using an RNA ____7____ ); each RNA_____7_____ binds to the DNA template a short distance in advance, allowing DNA synthesis in the backward direction. As a result of this asymmetry in DNA synthesis, DNA replication is said to be semi-____8______.