Cell Cycle Importance for Organisms
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Cell Cycle Importance for Organisms
Lab RepoRt assistant
This document is not meant to be a substitute for a formal laboratory report. The Lab Report
Assistant is simply a summary of the experiment’s questions, diagrams if needed, and data tables
that should be addressed in a formal lab report. The intent is to facilitate student’s writing of lab
reports by providing this information in an editable file which can be sent to an instructor
obseRvations
Mitosis Worksheet – Answer the questions about the photos below:
Onion root tip photos at 600X and 1000X taken by Stan Carpenter of Hands-On Labs, Inc.
- What phase is this cell undergoing?
- What happens after this phase?
- The two center side-by-side cells are
undergoing two different phases of
mitosis.
- What are these phases?
- What diagnostic features can help
you with your decision?
Experiment Mitosis1. What phase is this cell undergoing?
- How can you tell?
- This cell has clearly visible chromatids.
- What’s the next phase this cell will
undergo?
- Where will the chromatids go in the
coming phase?
- The cell in the lower center is exhibiting signs
of what phase of mitosis?
- What phase does it appear the cell above is
undergoing?
- Explain what happens during anaphase.
- When the chromatids separate, what is
each called?
Experiment MitosisQuestions
- What is the purpose of mitosis?
- Why is the cell cycle important for organisms?
- What role does mitosis play in the growth of an embryo?
- What is one main difference in the mitotic processes between plant and animal cells?
- If the cell that has undergone mitosis originally had the diploid (2n) number of chromosomes,
then what number of chromosomes will the nuclei in the two new cells have?
- Can mitosis ever be used for reproduction?
- What parts of plants are most impacted by mitosis?
- Why might mitosis be easier to study in the tip of the root?
- Where else in a plant might you find a large amount of mitotic cell division occurring?
- How might the mitotic index be applied in agriculture?
Experiment MitosisK. What did you compute to be the mitotic index of the combined six slides (assume there are
54 total cells)? In comparison to the indexes reflected in Figure 8, from approximately which area
of a root was the sample taken?
Experiment Mitosis
MUST BE ALL ORIGINAL WORK AND DONE ON TIME NEEDS TO HAVE AT LEAST 2 SOURCES.
MY PARENTING STYLES ARE FIRM BUT I COME DOWN TO THEIR LEVEL AS I DO NOT WANT MY CHILDREN TO FEAR ME.
Effective Punishment
One aspect of raising healthy children is understanding how to best provide correction when they make poor choices or behave in unacceptable ways. Over the years, there has been much debate over the most effective form of punishment for children. As part of this debate, you have to take into consideration operant conditioning as this is the basis for how effective correction works. Operant conditioning should be considered when choosing how to best administer corrective actions whether the parents choose to use corporal punishment, time outs, or loss of privileges.
- Discuss the differences between negative and positive punishment. What are the factors that make punishment effective?
- Discuss the effectiveness of corporal punishment and elaborate upon when you think it should be used.
- Discuss how culture affects the type of punishment used.
- Give reasons in support of your responses based on your readings and personal experiences.
Write your initial response in 2–3 paragraphs. Apply APA standards to citation of sources.
By Saturday, June 28, 2014,
Cell Cycle Importance for Organisms
RUBRIC
Excellent Quality
95-100%
Introduction 45-41 points
The background and significance of the problem and a clear statement of the research purpose is provided. The search history is mentioned.
Literature Support
91-84 points
The background and significance of the problem and a clear statement of the research purpose is provided. The search history is mentioned.
Methodology
58-53 points
Content is well-organized with headings for each slide and bulleted lists to group related material as needed. Use of font, color, graphics, effects, etc. to enhance readability and presentation content is excellent. Length requirements of 10 slides/pages or less is met.
Average Score
50-85%
40-38 points
More depth/detail for the background and significance is needed, or the research detail is not clear. No search history information is provided.
83-76 points
Review of relevant theoretical literature is evident, but there is little integration of studies into concepts related to problem. Review is partially focused and organized. Supporting and opposing research are included. Summary of information presented is included. Conclusion may not contain a biblical integration.
52-49 points
Content is somewhat organized, but no structure is apparent. The use of font, color, graphics, effects, etc. is occasionally detracting to the presentation content. Length requirements may not be met.
Poor Quality
0-45%
37-1 points
The background and/or significance are missing. No search history information is provided.
75-1 points
Review of relevant theoretical literature is evident, but there is no integration of studies into concepts related to problem. Review is partially focused and organized. Supporting and opposing research are not included in the summary of information presented. Conclusion does not contain a biblical integration.
48-1 points
There is no clear or logical organizational structure. No logical sequence is apparent. The use of font, color, graphics, effects etc. is often detracting to the presentation content. Length requirements may not be met
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