Walters_BSC2010PracticeExam4-101

Walters_BSC2010PracticeExam4-101 - Practice Test for Exam 4...

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Practice Test for Exam 4 Dr. Linda Walters: Fall 2010 Chapter 16: 1. Which enzyme helps with the separation of DNA strands during replication? a. helicase b. endonuclease I c. ligase d. DNA polymerase e. primase 2. If cytosine makes up 22% of the nucleotides in a DNA sample, then adenine would make up what percent of the bases? a. 33 b. 44 c. 28 d. 56 e. none of these answers are correct 3. The DNA of a phage was injected into the bacterial host, but the protein coat remained outside. The viral DNA directed the host to replicate the new phage viruses. Which scientist(s) are associated with this finding? a. Hershey and Chase b. Watson and Crick c. Messelson and Stahl d. Chargaff e. Thomas and Walters 4. What is the function of DNA polymerase III? a. to unwind the DNA helix during replication b. to hold apart the 2 strands of DNA c. to add nucleotides to the end of the growing DNA strand d. to repair damaged DNA molecules e. to rejoin two DNA strands after replication 5. It became apparent to Watson and Crick after completion of their model that the DNA
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This note was uploaded on 08/19/2011 for the course BSC 2010c taught by Professor Janewaterman,pamelathomas during the Spring '07 term at University of Central Florida.

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Walters_BSC2010PracticeExam4-101 - Practice Test for Exam 4...

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