Lab 7 Cell devision 2018 summer.docx - Lab 8 Cell Division Microscopic observation of mitosis in plants All stages of mitosis are visible on the

Lab 7 Cell devision 2018 summer.docx - Lab 8 Cell Division...

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Lab 8 Cell Division Microscopic observation of mitosis in plants All stages of mitosis are visible on the prepared slides of onion root tips ( Allium ). Examine these slides carefully and find the following stages and associated structures. Scan with 4X, 10X, and then 40X objectives for detailed observations. Compare what you see in prepared slides with the photographs of mitotic phases in your textbook. 1. (3 points) Draw one example of each of the stages of cell division in plants (on separate sheets of paper), and label the following structures: cell wall, nucleus, nuclear membrane, nucleolus (if seen), chromosomes, spindle, chromatid, centromere, and cell equator. Indicate the magnification used . Interphase Prophase Prometaphase Metaphase Anaphase Telophase Cytokinesis 2. (2 point) Describe your observations: 3. (2 point) Why look for mitotic cells only at root tips? 4. (2 point) What would you expect to see if you do the same procedure with root material distant from the tip? If you have time, perform this
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