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Cell Cycle Lab Report

Lesson 03.01 Cell Division
by

Diana Vidal

on 14 August 2013

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Transcript of Cell Cycle Lab Report

Cell Cycle Lab Report
1) Based on your data, what can you infer about the length of time spent in each stage of the cell cycle? That in part 1 it can out 255 percent and part 2 was 380 percent.
Safety Notes
Always handle microscopes and glass slides carefully.
Data Analysis
Number of Cell in Part 2
Purpose
Understand and identify the stage of the cell cycle and mitosis.
Data & Observations
Number of Cells in Part 1
Wash your hands after handling the
prepared onion root tip specimens.
Materials
Compound light microscope.
Glass microscope slide with prepared
onion root tip specimen.
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Apply and analytical technique to estimate the relative length of each stage of the cell cycle.
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Hypothesis
I predict that all cells somatic will suffer all the division of mitosis multiple times in their lifetime.
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Interphase:
Prophase:
Metaphase:
Anaphase:
Telophase:
Cytokinesis:
34 - 49
8 - 13
3 - 4
2 - 3
2 - 4
1 - 3
Interphase:
Prophase:
Metaphase:
Anaphase:
Telophase:
Cytokinesis:
*
2)What stages were the longest and shortest? Give a brief explanation of why these stages may have that time period. Interphase is the longest phase for the cell cycle. Anaphase is the shortest phase of mitosis.
4)What differences can you see when you compare the nucleus of a dividing cell with that of a nondividing cell? Chromosomes will be seen in the nucleus of dividing cells because they are visible when a cell is dividing as oppose to nondividing cells.
5)If your observation had not been restricted to the tip of the onion root, how would the results be different?Most of the time cells are in interphase. The cells that were dividing were growing. Most other cells besides at the root tips stay in interphase. Therefore, if one had been looking at a different part, they probably would have all been in interphase.
3)What is a distinguishing visible feature of each stage of the cell cycle? It is the chromosomes arangement during each phase the chromosomes are aranged in a specific way.
Conclusion:
66%
16%
5%
4%
5%
3%
Lesson 03.01 Cell Division
By: Diana Vidal
Full transcript