F09 Exam 3 Key - BSCI 110A Exam 3 November 4, 2009 Print...

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BSCI 110A Exam 3 November 4, 2009 Print Name _________________________________ Signature Pledge___________________________________ 1. Read all questions carefully. 2. You will have 50 minutes to complete this exam. 3. Answers are usually short sentences and/or single words. 4. Do not start until directed. 5. Good luck!
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1. (2) The stage during mitosis when the chromatids are aligned at the middle is called: Metaphase 2. (2) The stage during mitosis when the chromosomes move toward the two opposite spindle poles is called: Anaphase 3. Indicate whether the following are true or false A. (1) DNA is replicated during M phase FALSE B. (1) The Retinoblastoma protein is a target of one of the cyclin-cdk complexes TRUE C. (1) When RNA is made from DNA, the process is called transcription TRUE D. (1) When protein is made from RNA, the process is called translation TRUE E. (1) When DNA is duplicated, the process is called transcription FALSE F. (1) DNA is packaged into subunits called nuclei FALSE 4. (2) Why is it important that DNA replication in humans proceeds bidirectionally from multiple origins? If it wasn’t bidirectional and it didn’t use multiple origins, it would take too long for a single cell to replicate. 5. (2) Why don’t bacteria need Telomerase? Because their chromosomes are circular, telomerase is only needed with linear chromosomes. 6. (2) What is the major DNA replication enzyme in E. coli?
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F09 Exam 3 Key - BSCI 110A Exam 3 November 4, 2009 Print...

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