Difference between revisions of "Protein"
(Created page with "==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 prot...") |
|||
| Line 21: | Line 21: | ||
| style="height:20px; width:200px; text-align:center;" |Nuts are the seeds of trees and are part of a '''balanced diet'''. | | style="height:20px; width:200px; text-align:center;" |Nuts are the seeds of trees and are part of a '''balanced diet'''. | ||
| style="height:20px; width:200px; text-align:center;" |There are many different kinds of peas that can help make sure you have a '''balanced diet'''. | | style="height:20px; width:200px; text-align:center;" |There are many different kinds of peas that can help make sure you have a '''balanced diet'''. | ||
| + | |} | ||
| + | |||
| + | ===Testing For Protein=== | ||
| + | : Adding protein to Biuret solution will cause the solution to turn purple. | ||
| + | =====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]]. | ||
| + | |||
| + | {| class="wikitable" | ||
| + | |- | ||
| + | |[[File:Biuret.png|center|600px]] | ||
| + | |- | ||
| + | | style="height:20px; width:600px; text-align:center;" |This [[Biuret]] has turned purple, indicating protein is present. | ||
|} | |} | ||
Revision as of 11:16, 16 September 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
- Adding protein to Biuret solution will cause the solution to turn purple.
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. |
