Biomolecules

The Biuret Test will test for the presence of _________________.

• Protein

• Lipids

• Starch

• Simple Sugars

The Sudan IV Test will test for the presence of _________________.

• Protein

• Lipids

• Starch

• Simple Sugars

The Benedict Test will test for the presence of _________________.

• Protein

• Lipids

• Starch

• Simple Sugars

The Iodine Test will test for the presence of _________________.

• Protein

• Lipids

• Starch

• Simple Sugars

What are some characteristics of a positive Sudan IV result:

• The solution will separate and produce a dark pink/red ring indicating the presence of lipid

• The solution will turn a dark brown color indicating starch

• The solution will turn a bright blue color indicating the presence of simple sugars

• The solution will dark purple color indicating the presence of protein

If I wanted to see if my new Low Carb Bread had a lot of starch in it I would use which of the following test to decide?

• Iodine Test

• Benedict's Test

• Sudan IV Test

• Biuret Test

My cousin said that Gatorade is filled with protein, I don't believe him. Which test should I run to see if he is right or wrong?

• Biuret

• Iodine

• Sudan IV

• Benedict

A positive Biuret's Test will turn which color?

• Red

• Blue

• Purple

• Yellow

In the video, the scientist said that Sudan IV is a _________ dye, which is why we can use it to identify _______ easily.

• lipophilic, fats

• lipophobic, carbohydrates

• lipophilic, simple sugars

• lipophobic, proteins

When one of our reagents contacts the starch in this bread, the white bread turns blue-black. This is an example of which of the following tests?

• Iodine

• Biuret

• Sudan IV

• Benedict's