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?