Week 8 Final Assessment

Ethical case study in relation to University based outcomes
December 12, 2017
Creative writing
December 12, 2017


Final Applied Lab Project

Final Applied Lab Project (1 credit Lab Component)
Guide and Grading Rubric for Final Applied Lab Project and Report
The assignment addresses course outcomes 1-5 (these do NOT reflect the direct content and format expectations for this assignment which are described

in detail
apply the scientific method to scientific investigations
state a scientific hypothesis and design a basic experiment
conduct an experiment, make observations, and collect data
use knowledge of biological principles to correctly interpret qualitative and quantitative information
use critical analysis to draw conclusions
This is the culminating assessment for BIOL 102. It is designed to assess your ability to apply the principles of the scientific method. For this

project, you will
complete the activity below. Make sure to address all requirements associated with the activity.
Design, conduct, and report on an experiment in which you will test the effect of an acidic fluid on enzymatic activity. (Recall: Enzymes are

proteins.) If necessary,
it may be useful for you to review the Scientific Method lab.
Please read this carefully: You read about and studied enzymes. Recall the following:
enzymes are specific, meaning that a given enzyme can only catalyze its substrate
enzyme function is very much related to its structure
changes in factors, such as the following, can affect enzyme function (aka – activity)
0 % 0 of 2 topics completetemperature
For this assignment, you must:
select an enzyme
know what its substrate is
know what the product(s) of the enzyme catalyzed reaction is
decide how you will determine and measure the activity of your enzyme (i.e. the production of bubbles)
select one or more acidic fluids (if your enzyme-substrate combination is catalase and hydrogen peroxide, then the hydrogen peroxide cannot count as

one of your
acid fluid fluids)
develop a hypothesis and conduct an experiment to determine whether or not your selected acidic fluid(s) has an effect on the activity of the enzyme

you selected
explain the entire process in a report, formatted as explained below
Lab Materials
You may need the following, depending on your experimental design. Please understand that you do NOT have to use these materials. They are listed here
because they are the materials that you used for the enzyme lab so they might be useful for this project – depending on how you design your

Materials in your lab kit:
excess materials remaining from lab 4 (enzymes)
Additional materials you may need:
plastic beakers or cups
hydrogen peroxide solution (from Lab 4)
yeast (from Lab 4)
sample of fresh meat, about 1 cm cubed in size (unprocessed and uncooked, e.g., liver, steak, fish, or poultry—particularly organs)
sample of fresh vegetable, about 1 cm cubed in size (e.g., potatoes or other root vegetables)
a pen for labeling the beakers or cups
a ruler with centimeter markings
1. Develop a testable hypothesis regarding the effect of an acidic fluid on enzyme activity.
2. Design an experiment to test your hypothesis. Make a list of all the materials you will need to conduct your experiment and then procure them.

Record in
advance all the steps you plan to take when executing the experiment. Design and prepare data tables in which you will record your data and

while executing the experiment. Decide and make note of how you plan to analyze the data you collect.
3. Conduct the experiment. Record any modifications you had to make to the steps in the experiment as you execute them, including details pertaining

amounts or types of materials used. Record all data you collect and observations you make while executing the experiment.
4. Analyze your results (data and observations). As appropriate, calculate means, prepare summary data tables, refine how you will present your data

in your
report, prepare graphs of data, etc.
5. Use your knowledge of enzymes to interpret your results. It may be helpful for you to refer to your lab manual, textbook, or other sources.6.

Decide whether or not the data you collected supports your hypothesis. Determine whether or not you will accept or reject your hypothesis.
7. Formulate a conclusion about the effect of an acidic fluid on enzyme activity.
8. Prepare and submit a formal written report of your experiment. This will determine your grade for the final applied lab project. See the “report

format and
content guidelines” below. A detailed grading rubric is available below.
Avoid Plagiarism
It is very important to write with your own words. If you do copy one or two sentences directly (use sparingly), use quotation marks (“) around the

copied text,
followed by an in-text reference. All information sources need to be included in the reference list and as in-text references. Suspected cases of

plagiarism will be
reported to the proper UMUC authority. Guidance on how to avoid plagiarism can be found here: UMUC’s How to Avoid Plagiarism
Submit your final applied lab project in the assignment folder by the due date specified in the course schedule. LATE SUBMISSIONS WILL NOT BE

Report Format and Content Requirements
The following sections are required. Format and content requirements are summarized below. Please refer to “writing a lab report” in the lab manual

and the
grading rubric for additional detail.
General content and format information
Font: Times New Roman
Font size: 12 point
Tense: Past
Person: Not 1st
Margins: top and bottom = 1”; left and right sides = 1.25”
Writing style: Scientific
Sentence structure: Extremely well-developed
Grammar, punctuation, spelling: No more than two insignificant errors (meaning the errors do not detract from the message or interfere with reader’s
Minimum length: There is no minimum length for the lab report. The goal is to say everything that must and should be said as concisely as possible.
Section headings: Should be centered on the page before the beginning of each section. New sections do not need to begin on a new page, except
that the abstract and literature cited sections will begin on new pages.
Section-based content and format information
Content: Title must be thoroughly descriptive of the experiment (not the assignment). For example, the title should NOT be “Final Applied Lab
Project Report”. A descriptive title example (for a non-related experiment) would be “The effect of spring rainfall quantity on the growth of white
oak tree seedlings.”
Format: Title should appear on a cover page with title mid-way down the page, centered. At the bottom of the cover page, centered, student’s name
should appear on its own line, followed on the next line by the name of the instructor (centered), followed on the next line by the lab section
number (centered), followed on the next line by the date of submission.
Abstract:Content: A “miniature” version of the lab report that will contain enough information about the experiment for the reader to decide whether

or not
they should read the entire paper. All information should be presented in the same order in which it will be encountered in the lab report.
Format: Abstract will be on a page to itself following the title page and will be single-spaced.
Content: The problem or issue being studied must be described. Background information on this problem/issue must be provided. This requires doing some
research into the problem/issue and providing a summary of the key information. This background information should also familiarize the reader with

topic. The source of the background information must be cited in the body of the introduction section. For this report, students must cite literature

three sources in their introduction section. This section must include a statement of the hypotheses, a description of the main objectives of the

and a brief explanation of the experimental design. In addition, the following five general questions must be addressed/answered in the introduction
What are enzymes (in general)
What are the functions of enzymes (in general) and why are enzymes important (in general)
What factors (in general) can affect the activity of enzymes
What enzyme, specifically, is being tested in this experiment and what is its function and importance
What is already known, specifically, about the effect of pH on the enzyme being used in this experiment
Format: Will begin on its own page following the abstract. In-text literature citations will be in APA format.
Content: This section should contain an explanation of the procedures that were carried out in the experiment in sufficient detail that someone
reading the methods could repeat the experiment, if desired. The materials used are not listed but are mentioned only in the context of the
description of their use – DO NOT LIST THEM, even in sentence form. Include a description of what data will be collected, when in the experiment it
will be collected and how it will be analyzed.
Format: Must be in paragraph form with no bulleted or numbered lists. This section does not have to begin on its own page.
Content: All main findings of the experiment, supported by key pieces of data, should be described in paragraph form. There must be no
interpretation of data in this section. All data must be summarized in at least one table or figure. Tables and or figures must be labeled and
numbered sequentially followed by a descriptive title. This label/title is placed above tables and below figures. Graphs in figures must have labels
that identify the parameter and units involved. All tables/figures must be referenced in the paragraph portion of the section by the table/figure
number. That means you must say something like, “Table 1 summarizes the amount of gas produced over time for each treatment”.
Format: This section must not begin with a table or figure. It does not have to begin on its own page.
Content: Restate the hypotheses. Do not include any results not mentioned in the results section. Interpret all data by explaining how the results
link to basic scientific concepts and how they link to the findings of other researchers. Address other issues including sources of uncertainty in the
experiment, further investigations that could/should be done to gather more information, suggestions for improving the experiment, and an
alternative explanation for positive or negative results. State whether or not the data supported the hypothesis and the conclusions that can be
drawn from the results.
Format: This section does not have to begin on its own page.



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