Cellular respiration - Weight loss


You have a friend that lost 15 lbs on a diet. Where did the mass go?

Background Information

The following question is modified from BioDQC (Diagnostic Question Cluster) project. This is an open response version of such a question.  It assess whether students can keep track of matter, while traversing biological scales. We use this question in introductory biology courses.

Question Instructions

We recommend that you administer these questions as homework and preface the question with these instructions for students:

"For the following question, please respond to the best of your knowledge and using only the information in the question and what you know. Please do not refer to any outside sources (textbooks, notes, internet, etc.). Any reasonable attempt to answer the question will be awarded full credit."

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