A Level Biology Lesson 14:
Proteins: The Biuret Test.
Task 1. Check Where this Lesson fits into your Exam Specification!
Task 2. Watch the Revision Notes Lesson in Full.
00:00 Intro Screen / Learning Outcomes
00:38 Peptide Bonds are identified when carrying out the Biuret Test...
00:55 The Biuret Reagent contains...
01:14 Long chain polypeptides have many peptide bonds...
01:37 The Biuret Test - Step 1.
02:00 The Biuret Test - Step 2.
02:13 The Biuret Test - Step 3.
02:46 The Biuret Test - Describing the steps in your exam.
03:28 The Biuret Test - Exam Tips - NOTE!
Download, Print out & complete the accompanying Interactive Worksheet.
Check Your Spec!
★ AQA Specification Reference: - 3.1.4 Proteins: 184.108.40.206 General properties of proteins. The biuret test for proteins. Students could use, and interpret the results of, a biuret test for proteins.
★ CIE Specification Reference: - 2 Biological Molecules: Testing for biological molecules. a) carry out tests… the biuret test for proteins to identify the contents of solutions.
★ Edexcel (Biology A – Salters-Nuffield) Specification Reference: - Appendix 5c: Use of apparatus and Techniques. 6. use qualitative reagents to identify biological molecules.
★ Edexcel (Biology B) Specification Reference: - Appendix 5c: Use of apparatus and Techniques. 6. use qualitative reagents to identify biological molecules.
★ OCR (Biology A) Specification Reference: - 2.1.2 Biological molecules (q) how to carry out and interpret the results of the biuret test for proteins.
★ OCR (Biology B) Specification Reference: - Module 2: Cells, chemicals for life, transport and gas exchange. C) (ii) the methodology and interpretation of the results of the Biuret test.
★ WJEC Specification Reference: - Core Concepts 1. Chemical elements are joined together to form biological compounds - SPECIFIED PRACTICAL WORK - Food tests to include: …biuret test for protein.