LO : Students will be able to explain and diagram the phases 1 of the cell cycle.

1. LO: Students will be able to explain and diagram the phases1 of the cell cycle. 1 Phases - The steps in a process. • Concept Development: • The cell cycle describes the growth, development, and reproduction of a cell. 2Replicate – make an identical copy Skill Development/Guided Practice:

2. Skill Development/Guided Practice: 1Phases– The steps in a process 2Replicate - make an identical copy States Why do some powers belong only to the states? 19. The Constitution was written to limit the power of the federal government. 20. The Constitution does not spell out specific power of the states because the writers of the Constitution wanted the states to keep some sovereignty. 21. So, it says that the states retain, or keep, any powers that are not given to the national government. 22. For instance, the Constitution says nothing about schools, marriage, establishing local governments, owning property,licensingdoctors and lawyers, or most crimes. 23. The states make the laws in these areas of life. 24. The Constitution does, however, outline the responsibilities of states to each other. Article IV says that each state must give “full Faith and Credit”1 to the laws and court decisions of other states. 25. This means accepting other states’ laws and court decisions as legal. 26. For example, a driver’s license issued in one state is legal in every state. 27. Similarly, states must obey legal contracts that people have made in other states. 28. Like the commerce clause, the full faith and credit provision brings stability to business dealings.29. States are also required to help each other track down fleeing criminals.30.Criminals cannot escape justice by fleeing to another state. 31. Finally, the Constitution does not allow one state to discriminate2 unreasonably against a citizen of another state. 32. A state may not, for example, refuse to let a child who was born in another state attend its public schools. 1 must recognize it 2 to treat differently Shared Why are some powers shared? 33. Federal and state governments also share some powers because there are powers both groups need to function. 34. Combined, the federal and state governments share power because it is easier to do things like raise taxes for public projects. 35. Also, both levels of government can build roads, borrow money, and regulate education. 36. If you think the sharing of power, sounds complicated, you are right. 37. Consider presidential elections. Congress sets the date for national elections, while the states register voters and run the elections. 38. States count the ballots, while the national government organizes the Electoral College vote, which determines who will be president. 39. Federalism is also complicated because the Constitution provides only a general framework for the sharing of powers. 40. There was no way for the framers to spell out rules for every possible situation. 41. The federal system continues to evolve through new laws, court decisions, and constitutional amendments. Relevance: 1- Understanding mitosis provides us with a mechanism (the how) behind organisms evolving from unicellular to multicellular organisms. 2- Understanding mitosis provides a foundation for meiosis (next lesson). 3- Science jokes are awesome!

3. Use the guide below to draw each phase of cellular reproduction. Draw a box around and label the steps that together make up mitosis. 2) What are the 3 phases of the cell cycle? 3) Why is it important that the DNA replicates during interphase? 4) Explain what happens during each phase of cellular reproduction. Interphase: Prophase: Metaphase: Anaphase: Telophase: Cytokinesis: How is mitosis different from cytokinesis? If cytokinesis failed to happen what would be the outcome for the cell?

4. Closure / Exit Ticket:

5. Do Not Print For Students • Delivery Strategies Legend – Consider putting these symbols as reminders to use the • strategies at first. You can delete them as you get used to the pattern of the delivery.