Which test is used to detect the presence of proteins in a food sample?
-
Iodine test
-
Benedict's test
-
Biuret test
-
Emulsion test
📝 Detailed explanation
The Biuret reagent (copper sulfate and sodium hydroxide) turns from blue to violet/purple in the presence of peptide bonds.
← Previous
→ Next
Space — Show answer
🎯 Take a test on the topic «Variant #6 of the University Scholarship Examination»
This topic contains 50 questions.
Test your knowledge!
🔐 Log in to take the test
📚 All tests by subject «Bio+Chem»
View all collections and topics in Bio+Chem
Go to subject →