Activity DNA Electrophoresis Lab Report

Activity DNA Electrophoresis Lab Report

Table of Contents

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Instructions

Activity DNA Electrophoresis Lab Report

Part 1: Discussion Question

“Nothing comes to be or perishes, [but undergoes continual rearrangement]” –

Empedocles (490-430 BCE).

We know this to be true. We live in a universe of cause and effect, equal and opposite

reactions, energy neither being created nor destroyed – only transformed. We know

how political unrest in one part of the world effects gas prices in another. We know how

bee population stability effects crop yields. We know the relationship between CO2 and

global temperature, between episodic rainfall events and outbreak of disease, etc. etc.

etc….and this pool of knowledge on cause and effect is deepening daily.

It seems fitting that we complete the semester with a synthesis of key concepts covered

in Biology 103. Ecology is the study of the interactions between organisms with each

other and with their environment. There was a time in the not so distant past that trying

to understand the relationships between two seemingly unrelated events, interactions or

organisms was considered ‘Chaos theory’. But as it turns out, the closer and longer we

look, the more resolved the image becomes until the evidence is tangible and Lauren

Hill was right – everything is everything.

What is the relationship between Saharan dust in Africa and harmful algal blooms in the

Gulf of Mexico? What is the relationship between songbird nesting behavior and the

magnitude of hurricane seasons? If these questions interest you, consider watching the

acclaimed mini-series, Connected on Netflix (trailer below). If you are curious about how

pesticides in infinitesimal concentrations (parts per million, ppm) could influence

ecosystem stability, you’re in the right place!

Silent Spring by Rachel Carson is a critical discourse on the adverse ecological effects

of nonselective pesticide applications. Published in 1962, this work introduced the

American public to the dangers associated with environmental contamination and was

instrumental in the creation of the U.S. Environmental Protection Agency and key

pieces of environmental legislation including the Clean Air Act (1970) and the Clean

Water Act (1972). This week’s discussion will focus on The Obligation to Endure, an

excerpt from Silent Spring.

After reading this excerpt, please provide thoughtful discussion on the following:

1) What is meant by the title, Silent Spring?

2) What problems do pesticides resolve? What new problems arise with the

indiscriminate use of pesticides?

3) What does the term bioaccumulation mean? What does the term biomagnification

mean? What are trophic levels?

4) Describe how the bioaccumulation and biomagnification of environmental

contaminants effects organisms at different trophic levels in an aquatic ecosystem. Give

an example of this phenomenon as we experience it today.

5) What is your response to this work? Are these concepts still relevant?

Part 2: Complete Activity Form in Attachment

Activity DNA Electrophoresis Lab Report

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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