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Name: LAB: Cell Cycle– Interphase, Mitosis and Cytokinesis SPECIMEN: Onion Root tips Part-2: Identify and label the various stages (13 labels) Block:____ Date: _________ Use the same root tips. In this section you will draw and color the various stages and follow the main events during mitosis. You will focus on the following structures: Color the chromosomes, chromatin, sister chromatids (BLUE) and centromeres, color nuclear envelope (ORANGE), the spindles (GREY), the cell wall (BROWN) and cell membrane(RED). Label the items that you colored as well as the cell plate, the equator, poles, Metaphase plate and daughter cells. 1-For Prophase and Anaphase, determine if it’s Early, Middle or Late. 2-Use arrows and colors to identify the various parts of the cell in your diagram. General list of terms for Plant and Animal cells: Chromosome Spindles/Microtubules Poles Centriole pair -A Chromatin Nuclear envelope Equator Daughter cells Sister chromatids Asters Metaphase plate Cleavage furrow-A Centromere Centrosome Cell wall Kinetochore Cell plate-P Daughter Chromosomes Draw one big cell, color code parts & label Relevant & characteristic labels. List main event. INTERPHASE MITOSIS: …….…..Prophase MITOSIS: Metaphase MITOSIS: …………Anaphase MITOSIS: Telophase & Cytokinesis LABORATORY: MITOSIS SPECIMEN: Onion Root Tips PURPOSE: To observe and identify important events and organelles involved in the carious steps of cell division. Part-1: Tally the phases and stages Phases In your slide: Root tip #1 In your slide: Root tip #2 Classroom Tally INTERPHASE G1, S, G2 MITOSIS Prophase Metaphase Anaphase Telophase Analysis: Part-1A: Interphase vs. Mitotic phase Your data Your % Class data Class % Interphase Mitotic phase Part-1B: Mitotic phases Your data Prophase Your % Class data Class % Metaphase Anaphase Telophase Questions: 1. Arrange the longest to the shortest phase? 2. Once the cells are done dividing they enter ________________________stage. Why is it incorrect to say that they are resting? Part-2: Mitosis 1. 2. 3. Draw 5 stages. Each drawing should be inside a circle and the cell must be as large as possible. Color the chromosomes and all the important parts. Label organelles involved in the division. Use the colors indicated and all the labels listed in bold.
