Carbohydrate and Lipid Tests
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Questions and Answers

What is the primary function of Benedict's reagent in the test for sugars?

To detect the presence of sugars in a food sample

What is the purpose of grinding up food in the tests for carbohydrates, lipids, and proteins?

To increase the surface area of the food sample, allowing for better reaction with the reagents

What is the characteristic color change observed in the test for starch?

From orange/brown to blue-black

What is the role of ethanol in the test for lipids?

<p>To extract the lipids from the food sample, making them more accessible to the water</p> Signup and view all the answers

What is the significance of the Biuret reagent in the test for proteins?

<p>To detect the presence of proteins by changing the color of the solution from blue to purple or lilac</p> Signup and view all the answers

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