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1 AGENDA ABSENT MON 2/11 week-6 GENERAL TOPIC: MITOSIS- THE DETAILS CONT OBJ : 5-6 DO NOW: NONE EXT: --- DUE DATE: --- DW: --- EXAM P1 FRIDAY [ ] REV 9.1 APP NTS [front] -COLLABORATIVE 9.2 APP NTS [back] -REVIEW back ---- S.C. table top REVIEW HANDOUTS to PICK-UP: - TURN IN to ABS box: - SEMINAR : - BEFORE SCHOOL/RAVEN-50: DW- NONE EXIT: CIRCLE LEVEL of UNDERSTANDING [see slide]
2 WEEK 5 WEEK IN REVIEW TURN IN NOW
3 UNIT OBJECTIVES 9.2 MITOSIS and CYTOKINESIS 5-DESCRIBE / RECOGNIZE the events of each stage of mitosis -key structures -chromosome appearance 6-EXPLAIN the process of cytokinesis
4 DEFINE: life cycle REVIEW VOCABULARY -the sequence growth and development stages that an organism goes through during its life
5 MITOSIS IDENTIFY: two functions of mitosis in animals wound REPAIR 1- GROWTH of organism to adult size 2-
6 DESRCIBE: MITOSIS the stages of mitosis and the process of cytokinesis NAME OF PHASE prophase metaphase anaphase telophase cytokinesis DESCRIPTION (bulleted) -chromatin coils to form chromosome -chromosomes move to the center (MIDDLE) of the cell [spindle fibers] -centromeres spilt -sister chromatids pulled opposite sides (AWAY) -2 (TWO) new nuclei formed -double membrane begins to form btwn them -cell s cytoplasm divides/separates into 2 new identical cells [daughter cells]
7 MITOSIS LABEL: -the diagram of the stages of mitosis # the structures pointed to using #17-20 METAPHASE ANAPHASE TELOPHASE PROPHASE sister chromatid G2 centromere spindle fibers centrioles
8 MITOSIS SUMMARIZE: The function of each structure in mitosis centromere- part of chromosome that spindle fiber attaches tube-like structure/shorten & pull microtubles- chromosome to opposite poles of cell pinch cytoplasm spindle fibers- attaches to and moves the chromosomes motor proteins- Help microtubules pull chromosomes to poles of cell
![9.2 APP NTS [back]](/docs-images/96/126605768/images/9-0.jpg "-TABLE PARTNER")
9 9.2 APP NTS [back] -TABLE PARTNER -COMPLETE back
10 TRUE/FALSE: T T MITOSIS 1- The nuclear membrane disintegrates during prophase. 2-Microtubles move chromatids to the poles of the cell during anaphase. F T 3-Chromosomes reach the poles of the cell during metaphase. 4-The cell s chromatin condenses into chromosomes during prophase. T 5-Chromosomes attach to spindle fibers & line up along the equator of the cell during F F metaphase. 6-the nucleus reappears during prophase. 7-Centrioles are pulled apart during anaphase. T T T 8-Chromatids are pulled apart during anaphase. 9-The shortest stage of mitosis is metaphase. telophase 10-The chromosomse decondense or unwind during telophase. telophase sister chromatids
11 COMPARE/CONTRAST: CYTOKINESIS Cytokinesis in plant AND animal cells STRUCTUREcell life plate exist -w/o -most proper of DNA [new doesn t as cell survive walls form between *accurately chromatin daughter passed cells] on -results in genetically identical daughter cells STRUCTUREmicrotubules appear as short -before division [PINCHING stringy structures into two new in nucleus daughter cells]
12 REVIEW MATCH the cell cycle stage with the correct definition. B C A F E D
13 -pack up remove EVERYTHING from desk -ROLL up sleeves
14 -chromatid DRAW the STRUCTURE
15 -chromatin DRAW the STRUCTURE
16 DRAW the STRUCTURE -sister chromatids
17 -chromosome DRAW the STRUCTURE
18 I-P-M-A-T-C LIST THE STAGES OF CELL CYCLE DIVISION IN ORDER -USE INITIALS ONLY
19 METAPHASE -shortest phase of mitosis -chromosomes move to the middle of the cell
20 PROPHASE -chromosomes visible, but not organized -starting to CONDENSE -centrioles appear -spindle fibers form
21 CYTOKINESIS -2 new identical daughter cells -cytoplasm divides
22 -chromatids pulled apart ANAPHASE
23 INTERPHASE -dark mass visible -spends most of life in this phase
24 TELOPHASE -two nuclei -double membrane begins to form
25 MITOSIS LIST THE STAGES OF MITOSIS -full name PROPHASE METAPHASE ANAPHASE TELOPHASE
26 -centrioles DRAW the STRUCTURE
27 -spindle fibers DRAW the STRUCTURE
28 -centromere DRAW the STRUCTURE
29 EXIT CIRCLE-level of understanding of today s objective Q s / clarifications- EXIT- NONE
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