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Refer to the Figure Above and Then Answer the Questions

Question 21

Multiple Choice

  Refer to the figure above and then answer the questions that follow. -Which of the following is a very important step in PCR? Refer to the figure above for help. A)  DNA polymerase makes complementary strands of DNA. B)  Primers separate the double strands of DNA. C)  A single replication cycle is performed to amplify DNA. D)  DNA strands are bonded together by heat. Refer to the figure above and then answer the questions that follow.
-Which of the following is a very important step in PCR? Refer to the figure above for help.


A) DNA polymerase makes complementary strands of DNA.
B) Primers separate the double strands of DNA.
C) A single replication cycle is performed to amplify DNA.
D) DNA strands are bonded together by heat.

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