Section 11.3 Questions (DNA Replication)

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Biology Section 11.3 DNA Replication (p. 233-234) Name ________________________

Big Question: How is DNA able to store genetic information, copy it, and pass it from generation to generation?

Students will be able to: a) Explain how the template mechanism is important in DNA replication. b) Describe the process of DNA replication.

1. What happens to the genetic instructions when a cell divides?

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2. What happens to the genetic instructions when an organism reproduces?

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3. Does a cell directly copy DNA or use a “negative” to make more DNA?

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4. What is a “template mechanism”? _________________________

5. What happens to the 2 strands of the double helix during DNA copying?

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6. What links the nucleotides for the complementary strand together?

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7. What is the name for the 2 new DNA strands? _________________________

8. What is the name of the process of copying the DNA molecule?

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9. How many enzymes are involved in DNA replication? _________________________

10. What are the enzymes called that make the covalent bonds between the nucleotides of the

new DNA strand? _________________________

11. How often are errors made during DNA replication? _________________________

12. What is the name of the specific sites where DNA replication begins?

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13. Can DNA replication only occur at one location at a time? ________________________

14. Each daughter DNA molecule contains 1 __________ strand and 1 __________ strand.

15. In terms of cell division, when does DNA replication occur? _________________________

Concept Check 11.3 (p. 234)

1. Describe how DNA replicates by using a template.

2. List the steps involved in DNA replication.

Step 1

Step 2

Step 3

3. Under what circumstances is DNA replicated?

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