Question

BIOLOGY DNA SECTION 1

1. Why does DNA replicate?

2. Is DNA replication describe as conservative or semi-conservative? Why?

3. What 2 enzymes are used during DNA replication? Describe what each does during replication.

4. When does DNA replication occur in a cell?

5. Where does DNA replication occur in a cell?

Answer 1

1. to ensure continuity and preservation of genetic material.

2.semi conservative

3.a DNA polymerase : unzip the DNA strand.

b Helicase : unwind dna strand

4.during the s stage of interphase

5. Nucleus