Bio 130 – Quiz March 23

Clicker Example. Flunk Day will be: Awesome Never on a Monday April 11 Rainy with my luck A good day to catch up on my studies

The Quiz Itself

Q. 1 – The cell shown below is in what stage of mitosis? Prophase Prometaphase Metaphase Anaphase Telophase

Q. 2 - The cell shown below is in what stage of mitosis? Prophase Prometaphase Metaphase Anaphase Telophase

Q. 3 - Which of the following best describes the kinetochore? a structure composed of several proteins that associate with the centromere region of a chromosome and that can bind to spindle microtubules the centromere region of a metaphase chromosome at which the DNA can bind with spindle proteins the array of vesicles that will form between two dividing nuclei and give rise to the metaphase plate the ring of actin microfilaments that will cause the appearance of the cleavage furrow the core of proteins that forms the cell plate in a dividing plant cell

Q. 4 - Which of the following would need to be present to produce a realistic signal to control the cell cycle? (More than one may be required.) a set of molecules that are sensitive to fluctuations in the abundance of regulators protein kinases molecules that activate kinases molecules that degrade activators All of the above.