Difference between revisions of "Protein"
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| style="height:20px; width:300px; text-align:center;" |This [[Biuret]] has turned purple, indicating protein is present. | | style="height:20px; width:300px; text-align:center;" |This [[Biuret]] has turned purple, indicating protein is present. | ||
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+ | ==Key Stage 4== | ||
+ | ===Meaning=== | ||
+ | [[Protein]]s are large [[molecule]]s made from [[Amino Acid|amino acids]] that are used by our bodies for growth and repair. | ||
+ | |||
+ | ===About Proteins=== | ||
+ | : [[Protein]]s are broken down by our [[Digestive System|digestive systems]] into [[Amino Acid|amino acids]] which are then transported around the body by our [[blood]]. | ||
+ | : [[Cell (Biology)|cells]] build new [[protein]]s from [[Amino Acid|amino acids]] in a process called [[Protein Synthesis|protein synthesis]] which takes place at the [[ribosome]]s in [[Cell (Biology)|cells]]. |
Revision as of 15:19, 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. |
Key Stage 4
Meaning
Proteins are large molecules made from amino acids that are used by our bodies for growth and repair.
About Proteins
- Proteins are broken down by our digestive systems into amino acids which are then transported around the body by our blood.
- cells build new proteins from amino acids in a process called protein synthesis which takes place at the ribosomes in cells.