cell chemistry

Discussion questions are listed below. Each question is meant to be an independent thread. If you are the first to post on a particular question, please use the question number and title in your subject. Once a question has been started, please put your posts on that question within the existing thread.

1. Control Variables

Which control variables did you choose for these experiments? Reply to your classmates and discuss whether some of these are things that would be “coincidentally the same” versus ones that “you take deliberate action to keep the same.”

2. Surprise Starches

How did your “Starchy” foods respond compared to your hypotheses? Do you believe the results or do you think the test may not have properly detected the appropriate chemicals? Reply to classmates and share similar results, suggest alternative means of identification, or identify likely sources of error.

3. Surprise Emulsifiers

Let me confess that we were SHOCKED when we first did this experiment on American cheese and no oil floated to the top. Emulsifiers, right! Research the nutritional components of one of your “fatty” foods to see which item is the emulsifier. Reply to classmates with similar results or suggest alternate emulsifiers. Do you still want to eat the food now that you’ve done this test? Why or why not?

You must participate in at least one of the discussions.