Complete the following vocabulary exercise related to DNA replication. Match the words in the left-hand column with the appropriate blank in the sentences in the right-hand column. View Available Hint(s) ResetHelp replication fork DNA polymerase daughter DNA Okazaki fragments leading strand 1. The new DNA strand that grows continuously in the 5' to 3' direction is called the . 2. The enzyme that can replicate DNA is called . 3. are the short sections of DNA that are synthesized on the lagging strand of the replicating DNA. 4. After replication is complete, the new DNAs, called , are identical to each other. 5. During DNA replication, an open section of DNA, in which a DNA polymerase can replicate DNA, is called a .

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Answer:

1. The new DNA strand that grows continuously in the 5' to 3' direction is called the leading strand.  

2. The enzyme that can replicate DNA is called DNA polymerase.  

3. Okazaki fragments are the short sections of DNA that are synthesized on the lagging strand of the replicating DNA.  

4. After replication is complete, the new DNAs, called daughter DNA, are identical to each other.  

5. During DNA replication, an open section of DNA, in which a DNA polymerase can replicate DNA, is called a replication fork  

Explanation:

The replication of DNA is process performed by an enzyme DNA polymerases that has the ability to synthesize new DNA in the 5' to 3' direction using “old” DNA as a complementary template. DNA polymerase requires a primer, a short fragment of DNA that serves as a starting point for replication. One strand of DNA-the leading strand is made as a continuous piece while the other-the lagging strand is made in small pieces (Okazaki fragments).

Other enzymes included in replication are DNA primase (synthesizes primer), DNA helicase (forms a replication fork), DNA ligase (binds DNA fragments), and topoisomerase (overwinding DNA).

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