Metabolic processes-like photosynthesis

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Reference no: EM133200065

For many metabolic processes, like photosynthesis, it is often difficult to make meaningful observations without expensive laboratory equipment. You can look at a green plant and assume that photosynthesis is occurring, but there are few ways for you to observe the chemical reactions involved in this critical metabolic process.

On land, the gases involved in photosynthesis, carbon dioxide and oxygen, would be exchanged by the plant without any notable indication. However, in certain aquatic plants the situation is slightly different.

The waterweed, Elodea, undergoes photosynthesis while completely submerged in water. The oxygen that is produced by the plant is released as tiny bubbles. As a result, you can get a relative measure of the rate of photosynthesis by counting the release of gas bubbles.

In this assignment, you will investigate the relative rate of photosynthesis by quantifying the gas bubbles emitted by the waterweed, Elodea canadensis.

Complete the interactive activities embedded within the page prior to analyzing the data. These activities are designed to help you understand the scientific method and how it applies to this specific mock experiment.

Graph the data in the appropriate format. Make sure that you present the data in the format that best demonstrates the results.

Analyze the data, looking for trends and evidence that supports (or disputes) the hypothesis.

Prepare your discussion that focuses on the back ground science, the results, any relevant scientific concepts that can help explain the results, and further tests or new experiments to expand on what was learned in this experiment.

Note

Science is always best when you have an opportunity to participate in the process, from planning the experiment, setting up the equipment, to collecting and analyzing the data. As the majority of students will not have access to the required equipment or materials, this assignment is designed to allow you an opportunity to analyze the data and make required connections to the course content.

Reference no: EM133200065

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