111%20Exam#1%20S09%20B%20Ans

111%20Exam#1%20S09%20B%20Ans - Exam I Biology 110 Fall 2008...

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Exam I Biology 110 – Fall 2008 Dr. David H. Bos INSTRUCTIONS: Fill in your BIOL 110 code number and NOT your PUID in the section of the scantron sheet marked: Student Identification Number. The use of calculators, cell phones or other electronic devices is not allowed during the exam. Read each question carefully and choose the best answer. There are 33 questions on this exam. There is only one correct answer for each question. Do not fill in multiple answers, as they will be marked incorrect. Turn in only the answer sheet when you are done. You may keep the exam. Take your time, think and good luck! 1. Which of the following Biology 111 features could possibly be “made up” if you unexpectedly have to miss  something? a. Labs b. Lecture exam c. Recitation quiz d. Group discussion e. No make-ups are possible 2. Which of the following is/are not always required for cell division a. Replication of genetic material b. Attachment of the spindle apparatus to the kinetochores c. Segregation of the genetic material d. Division of cytoplasm e. All are required for cell division 3. Which feature is not unique to prokaryotic cell division? a. The production of two identical cells  b. Bidirectional DNA replication c. The coupling of DNA replication and segregation d. The formation of FtsZ proteins e. All of the above are unique to prokaryotic cell division 4. Septation during prokaryotic cell division is aided by a ring structure made of: a. FtsZ carbohydrates b. Spindle proteins c. FtsZ proteins d. Kinetochores proteins e. Centromeres and centrosomes  5. Most of the DNA is normally at what level of compaction during G 0 ? a. Solenoid (30-nm fiber) b. Radial loops
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c. Chromosomal d. Nucleosome e. No compaction 6. What stage accounts for most of the differences in the length of the cell cycle? a. G 1 b. G 0 c. S d. Mitosis e. Cytokinesis 7. Which of the following does not take place during interphase? a. DNA synthesis b. Centrosome migration to opposite ends of the cell c. Centrosome duplication d. The G 2 /M checkpoint e. The G 1 /S checkpoint 8. During which stage of mitosis do chromosomes migrate to opposite ends of the cell? a. Chromosomes do not migrate to opposite ends of the cell during mitosis b. Anaphase c. Metaphase d. Prometaphase e. Prophase 9. The formation, alignment, and fusion of vesicles after mitosis occurs a. In plants and is called a contractile ring b. In animals and is called a contractile ring c. In prokaryotes and is called a septum d. In animals and is called a cell plate e. In plants and is called a cell plate 10. Which of the following cell cycle checkpoints would be unaffected by a mutation that disabled all cyclins?
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This note was uploaded on 07/08/2010 for the course BIO 111 taught by Professor Dr. bos during the Spring '10 term at Purdue.

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111%20Exam#1%20S09%20B%20Ans - Exam I Biology 110 Fall 2008...

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