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DNA Replication and Cell Biology Quiz

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Questions and Answers

Where does DNA replication occur in the human cell?

On the sense and anti-sense strands in the same direction

On both strands in the same direction (correct)

On the anti-sense strand only

On the sense strand only

What prevents reformation of the double helix once the DNA strands have been separated during replication?

The binding of small DNA primers

Single-strand binding proteins (correct)

DNA polymerases

DNA helicase enzyme

How is the chromosome of a bacterial cell replicated?

The circular DNA molecule is replicated from multiple origins of replication bidirectionally (correct)

The circular DNA molecule is replicated from one origin of replication bidirectionally

The linear DNA molecule is replicated from one origin of replication bidirectionally

The linear DNA molecule is replicated from multiple origins of replication bidirectionally

What is the role of the 5' end of each Okazaki fragment?

A separate RNA primer Signup and view all the answers

How are Okazaki fragments joined together?

DNA Ligase Signup and view all the answers

How are the chromosomes of a eukaryote cell replicated?

The linear DNA molecules are replicated from multiple origins of replication bidirectionally Signup and view all the answers

In DNA replication, what are the segments labelled F responsible for?

Initiating DNA synthesis Signup and view all the answers

In the usual flow of genetic information, what represents the expression of genes?

DNA → RNA → Protein Signup and view all the answers