Ethylene Affect Ripening Of Fruit

BI 103 Lab 1 Writing Assignment
How does ethylene affect ripening of fruit?
This assignment requires you to evaluate a hypothesis and communicate the results of your study on the production and effects of ethylene on ripening of fruit. The questions below are meant to guide you to reporting the key findings of your experiment and help you think through how to explain the findings and draw conclusions from them in a scientific manner.
ASSIGNMENT: Please respond to the following questions to complete your laboratory write up. For this assignment you will only focus on the plant ripening data. Make sure that your write up is accurate, and clearly written so that it is easily readable.
A grading rubric is provided on the second page of this assignment. To earn full points on your write up, you must provide answers that align to the meets column of your grading rubric as well as meeting all Quality of Writing and Mechanics elements described in the rubric. There are also some tips on pages 3-4 of this assignment to help you succeed.
Type your responses, using 1.5 or double spacing.
Include the section headings (Hypothesis, Results, Analysis) and question number (example: 1, 2, 3, etc) in your answers but do not rewrite the question.
Graphs may be made with a computer program (example: Microsoft excel, Mac numbers, etc) or may be neatly produced with a ruler on graphing paper.
Print out the cover sheet on page 2 of this assignment, read and sign the academic honesty statement, and submit it with your write up. Your instructor WILL NOT accept a write up without the signed cover sheet.
DUE DATE: Your write up is due at the beginning of class next week. Late assignments will have 1 point deducted per day up to 5 days, at which point the assignment will be assigned 0 points.
Hypothesis and Prediction Part 1 of Rubric 1. What did you think was going to happen in this experiment and why? You may find it helpful to state
your answers to these questions as an if-then hypothesis-prediction. Be sure you have included a biological rationale that explains WHY you made this hypothesis/prediction. Think about how ethylene is produced and how the exposure to ethylene affects the ripening of fruit.
Results Part 2 of Rubric 2. How did the treatment to which you exposed your fruit affect the firmness of the fruit as measured by
the penetrometer over the three weeks that you collected data? Answer this question by creating a bar graph for the data in Table 4 (Note: only graph difference between baseline and post-treatment average!). If you need assistance building a graph, there is a Guide to Graphing resource available on your Moodle lab course site.
Analysis- Part 3 of Rubric 3. Explain why you think that the results shown in your graph support or refute your hypothesis
(remember we never prove anything in science). Consider all your data and the overall data pattern as you answer this question. Dont ignore unusual data that may not seem to fit into specific patterns (outliers). Explain what you think might be behind these unusual data points.
4. What is the biological significanc

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