Performing a test on a substance known to contain the molecule you are looking for is known as a (two words).
Added by Sheila T.
Close
Step 1
Show more…
Show all steps
Your feedback will help us improve your experience
James Kiss and 91 other Biology educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
If you had an unknown substance, how would using indicators for macromolecules help you narrow down what it could be?
James K.
Table 4. Testing an Unknown: Proteins Sample Initial Color Hypothesis (Protein +/-) Final Color Protein Present? Positive Control (1): Negative Control (2): Unknown (3)
Sri K.
Biuret reagent tests for proteins. There are other reagents that test for other macromolecules. For carbohydrates, Benedict's reagent tests for simple sugars and iodine (IKI) tests for starch. For lipids, a simple grease spot test using a brown paper bag can be performed, where fatty substances will cause the spot to be translucent when held up to a light. Record the expected colors of solutions of the following substances when tested with these reagents and explain your hypotheses: Bread: Biuret: Benedict's: Iodine: Grease Spot: Explanation of hypothesis: Ground Beef: Biuret: Benedict's: Iodine: Grease Spot: Explanation of hypothesis: Soda: Biuret: Benedict's: Iodine: Grease Spot: Explanation of hypothesis: Diet Soda: Biuret: Benedict's: Iodine: Grease Spot: Explanation of hypothesis:
Adi S.
Recommended Textbooks
Biology for AP Courses
Objective Biology for NEET
Introduction to General, Organic and Biochemistry
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD