Cellular Respiration Lab: The Use of Glucose in Cellular Respiration.
This inquiry-based lab allows students to discover how yeasts use organic molecules as a source of energy and give off carbon dioxide as a waste product. Make your biology class more appealing and exciting by incorporating a variety of fun and interesting labs into your weekly lesson plans.
Suitable for biology or life science students in grades 9 - 12.
Cellular respiration may be one of the hardest topics that a biology teacher faces in their curriculum. For many students, the concepts are vague and abstract, making them difficult to understand. In order to teach a successful unit on cellular respiration, many "hands-on" activities are essential.
The Purpose of this Lab:
In this lab, the student will try to determine these things:
1. Is glucose required for cell respiration?
2. Is there a correlation or relationship between the amount of sugar available and the amount of carbon dioxide produced?
3. Can any type of sugar be used as a fuel for cellular respiration?
To answer these questions, students will carry out a two-part lab. In the first part, students explore how the concentration of the glucose affects the rate of respiration. Second, students will conduct an experiment to determine if the type of sugar is important in the respiration process.
Your download will include an 8-page student lab handout that includes: Title, Introduction, Purpose, Procedure, Materials List, Data Table, Graphing Grid, and 18 Analysis Questions.
Also included is a 4-page teacher preparation handout. This includes directions for mixing solutions, tips for setting up the lab, sample data, and most importantly, answers to all questions. A photo gallery has also been included to show you how to set up the lab, and to give you an idea of the results you should expect.
This lab is designed for a typical high school biology class for students in grades 9 - 12. It is appropriate for both standard and honors classes as well as for first or second year biology students. I have used this lab in both my freshman biology I class as well as my AP biology class.
The lab materials needed for this experiment are simple and are commonly found in most science labs:
• Yeast suspension
• 12 (50-mL) beakers
• 1 (100-mL) beaker
• 12 (10 x 75 mm) fermentation tubes
• Karo corn syrup (glucose)
• 10 mL graduated cylinder
Your download will include both a Word document as well as a pdf of the lab. I have also included a folder of photographs showing how to set this lab up.
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Cellular Respiration Homework and Study Guide
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