Difference between revisions of "Protein"
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===Testing For Protein=== | ===Testing For Protein=== | ||
− | : Adding protein to Biuret solution will cause the solution to turn purple. | + | : Adding [[protein]] to [[Biuret]] [[solution]] will cause the [[solution]] to turn purple. |
=====Method===== | =====Method===== | ||
: 1. Take a small sample of food and [[dissolve]] it in [[water]]. | : 1. Take a small sample of food and [[dissolve]] it in [[water]]. |
Revision as of 15:15, 5 November 2018
Contents
Key Stage 3
Meaning
Proteins are molecules in our diet that are used by our bodies for growth and repair.
About Proteins
- There are many different proteins.
- Protein is used to build muscles and repair injuries.
- Not enough protein can cause a disease called Kwashiorkor.
Protein
Meat provides lots of protein for a balanced diet. | You can help keep your diet balanced by eating lots of different beans. | Nuts are the seeds of trees and are part of a balanced diet. | There are many different kinds of peas that can help make sure you have a balanced diet. |
Testing For Protein
Method
- 1. Take a small sample of food and dissolve it in water.
- 2. Add some Biuret to the solution.
- 3. If it turns from blue to purple then the food contained protein.
This Biuret has turned purple, indicating protein is present. |