Sci 9 Lesson 2 Feb 23 - Ch 5.1 Mitosis

Homework from last class: ,[object Object],[object Object],[object Object],[object Object],[object Object]

Identifying stages of the cell cycle Use the following vocabulary works in the box above to label the stages of the cell cycle in the following diagram: 1. 2. Growth and preparation Replication 3. Continued growth and preparation 4. Mitosis 5. Cytokinesis 6. Interphase continued growth and preparation cytokinesis replication growth and preparation interphase mitosis

Briefly describe what is occurring in each stage of the cell cycle: 1. 2. 3. 4. 5. 6. Growth and preparation: Cells grow and carry out life functions. Replication: The nucleus makes a copy of its DNA. Continued growth and preparation: There is continued growth and preparation for mitosis. Mitosis: The nucleus of the cell divides into 2 equal and identical parts. Cytokinesis: The 2 equal, identical parts of the cell separate. Interphase: Cells grow and carry out their life functions.

[object Object],Ms. Soon’s Science Site: Science 9 Class Blog:

Mitosis Chapter 5.1: The Cell Cycle and Mitosis pp. 155-156

Note: ,[object Object],[object Object],[object Object],[object Object]

Introduction to Mitosis ,[object Object],[object Object],Mitosis animation

Mitosis ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

sister chromatids: formed when DNA replicates during interphase and joined together by a centromere. centromere: the structure that joins two sister chromatids together. p. 156

Phases of Mitosis p. 156- 157 ,[object Object],2) Late prophase 3) Metaphase 4) Anaphase 5) Telophase

1) Early prophase ,[object Object],[object Object],[object Object],[object Object]

2) Late prophase ,[object Object],[object Object],[object Object],spindle fibers centromere

3) Metaphase ,[object Object],[object Object],Chromosomes at the equator

4) Anaphase ,[object Object],Pole

5) Telophase ,[object Object],[object Object],[object Object],[object Object],[object Object],Nucleolus Nuclear membrane

Review – Name that phase! Prophase (Good job!)

Review – Name that phase! Anaphase (Great!)

Review – Name that phase! Metaphase (Yes!)

Review – Name that phase! Telophase (Woo hoo!)

Summary ,[object Object],[object Object],[object Object],[object Object]

“ Stages of the Cell Cycle” worksheet ,[object Object],[object Object]

Stages of the Cell Cycle (BLM 2-11 worksheet) Name of Cell Cycle Stage Cell Activities Nucleus Activities Interphase Growth and preparation Replication Continued growth and preparation Mitosis Early prophase Late prophase Metaphase Anaphase Telophase

Homework for next class: ,[object Object],[object Object],[object Object],[object Object],[object Object]

Works Cited ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Sci 9 Lesson 2 Feb 23 - Ch 5.1 Mitosis

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Sci 9 Lesson 2 Feb 23 - Ch 5.1 Mitosis