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Chapter 12

Biology: How Life Works · 7 exercises

Problem 1

Explain how DNA structure relates to DNA replication.

4 step solution

Problem 2

Describe the orientation of the two DNA strands and the direction of DNA synthesis.

3 step solution

Problem 3

List the differences and similarities in synthesis of the two daughter strands of DNA.

4 step solution

Problem 4

Explain why replicating the tips of linear chromosomes is problematic and how the cell overcomes this challenge.

4 step solution

Problem 5

Name the three steps of PCR and at least two uses for the PCR technique.

4 step solution

Problem 7

Describe how DNA molecules are sequenced.

7 step solution

Problem 8

Describe how recombinant DNA techniques can be used to express a mammalian gene in bacteria.

6 step solution

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