You're an undercover biological weapons agent who has been given an unknown liquid. One of the tests you need to run is to see if it contains protein (remember, foreign proteins can cause severe immune responses which can be a powerful biological weapon). You set up 3 test tubes each with 10mL of the following: distilled water, gelatin solution and the unknown. The distilled water is clear, the gelatin solution is clear with a beige tint, and the unknown is cloudy white. You use Biuret's Reagent - a dark blue dye which will turn a liquid sample purple in the presence of protein. When Biuret's Reagen is added to the gelatin, predict what color you expect it to become: v [ Select ] no change

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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You're an undercover biological weapons agent who has been given an unknown liquid. One of the tests you need to
run is to see if it contains protein (remember, foreign proteins can cause severe immune responses which can be a
powerful biological weapon). You set up 3 test tubes each with 10mL of the following: distilled water, gelatin 2
solution and the unknown.
The distilled water is clear, the gelatin solution is clear with a beige tint, and the unknown is cloudy white.
You use Biuret's Reagent - a dark blue dye which will turn a liquid sample purple in the presence of protein.
When Biuret's Reagen is added to the gelatin, predict what color you expect it to become:
V [ Select ]
no change
blue
purple
Transcribed Image Text:You're an undercover biological weapons agent who has been given an unknown liquid. One of the tests you need to run is to see if it contains protein (remember, foreign proteins can cause severe immune responses which can be a powerful biological weapon). You set up 3 test tubes each with 10mL of the following: distilled water, gelatin 2 solution and the unknown. The distilled water is clear, the gelatin solution is clear with a beige tint, and the unknown is cloudy white. You use Biuret's Reagent - a dark blue dye which will turn a liquid sample purple in the presence of protein. When Biuret's Reagen is added to the gelatin, predict what color you expect it to become: V [ Select ] no change blue purple
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