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3.01 cell cycle lab report

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by

Morgan Jimenez

on 8 July 2013

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Transcript of 3.01 cell cycle lab report

3.01 Cell Cycle Lab Report
Cell Cycle
Safety Notes
- Always handle microscopes and glass slide carefully

- Wash your hands after handling the prepared specimens
Materials
- Compound light microscope

- Glass microscope slide with prepared onion root tip specimen
Purpose
- Understand and identify the stages of the cell cycle and mitosis

- Apply and analytical technique to estimate to relative length of each stage of the cell cycle.
Hypothesis
I predict that the time it takes to complete each stage will lower as the phases continue starting from Interphase.
Data and Observations
Interphase 34 - 49
Prophase 8 - 13
Metaphase 3 - 4 -
Anaphase 2 - 3
Telophase 2 - 4
Cytokinesis 1 - 3
-
Data Analysis
Interphase 147.05% - 153.06%
Prophase 625% - 576.92%
Metaphase 1666.67% - 1875%
Anaphase 2500% - 2500%
Telophase 2500% - 1875%
Cytokinesis 5000% - 2500%
Conclusion
Based on the data I can infer that Interphase is the phase that takes the longest and then as the phases continue the time it takes to complete them decreases. The stage that was the longest is the Interphase phase and the phase that is the shortest is Anaphase. Interphase is the stage the takes the longest because it is the phase in which the cell is growing up and developing. Anaphase takes the least amount of time because sister chromatids are split into chromosomes. The chromosomes are then pulled apart to opposite poles of the cell.
During the Interphase is a single cell with dots and squiggly lines. Prophase the outline of the cell consists of ------. Metaphase has the X chromosomes lined up in the middle of the cell. Anaphase has the chromosomes on opposite side of the cell. In the Telophase phase membranes form around the chromosomes. During Cytokinesis is when the cell separates into two seperate cells.
Chromosomes will be seen in the nucleus of dividing cells because they are visible when a cell is dividing as oppose to nondividing cells.
Most of the time the cell is in Interphase. If one had been looking at a different part, they probably would have all been in Interphase.
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