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Tic Tac Toe
1 What protein regulates the cell cycle? Cyclin
2 In which phase of mitosis are the chromosomes split in half? Anaphase
3 Name the 5 phases of the M-phase! Prophase, Metaphase, Anaphase, Telephase, and Cytokenisis
4 Define apoptosis and give an example. Programmed cell death (such as the space between your toes)
5 Two chromotids are connected in the middle by the __________. Centromere
6 If a cell enters Interphase with 6 chromatids – how many chromatids will it have during metaphase?– 12 chromatids
7 During the cell cycle how do you know if its an animal cell or a plant cell? Plant cell forms a cell plate during cytokinesis
8 When do chromosomes first appear in the cell cycle? Prophase
9 What is an advantage of asexual reproduction? Rapid growth
10 What is the function of the centriole? Organize the Spindle fibers
11 During which stage of mitosis do the spindle fibers attach to the centromere? Metaphase
12 Programmed Cell death is called ________. Apoptosis
13 In eukaryotic cells, what do cyclins do? Regulate the timing of the cell cycle.
14 Embryonic stem cells are found in _____________ cells. Pluripotent Pluripotent Multipotent Multipotent Totipotent Totipotent Simplepotent Simplepotent Pluripotent
15 Why does cancer happen? Cells have lost their ability to to control cell growth.
16 In normal cells what causes cells to stop dividing? Growth factors or external regulators (when they are surrounded by other cells)
17 Mitosis and Cytokinesis are the only phases of the ____________. M-phase
18 Stem cell research is controversial when cells from the _______________ are used. Embryonic or pluripotent cells
19 What causes cancer cells to metastasize? Move into the blood stream and spread.
20 What ratio of surface area to volume is best for cells? 6:1, 3:1, or 2:1? 6:1
21 If the volume of the cell is too large, what will happen to it’s waste? The waste will be too large to find ways out of the cell – waste will build up.
22 When is demand on the DNA too great to function properly? When surface area to volume ratio is too small.
23 In which phase does the cell experience the most growth? G1G1
24 In prokaryote cells, how are cells replicated? From 1 parent cell dividing into 2 identical cells
25 What is the shortest phase of mitosis? Metaphase
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