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Unformatted text preview: beginning of mitotic prophase? A. Disperse chromatin compacts (condenses) B. The ploidy changes C. Transcription virtually stops D. Cytoplasmic MT polymerization increases E. The level of mitotic cyclins is high in the nucleus 4. Mitosis is best described as: A. Cell division B. M-phase C. Reduction division D. Nuclear division E. Doubling the amount of DNA and splitting it into two daughter cells 5. Which of the following statements about Anaphase Promoting Complex (APC) is false ? A. APC is a multisubunit enzyme complex B. APC targets mitotic cyclins for degredation C. APC is seen in two different forms. One form of APC starts anaphase and the other form helps to end anaphase. D. APC causes ubiquitination of specific substrates E. APC initiates a series of events that lead to the destruction of some proteins that hold chromatids together Answers: 1. A 2 . B 3. B 4. D 5. C...
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- Spring '08
- cell biology