Amino Acids
- Created by: sophie.brett98
- Created on: 18-11-15 11:58
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- Amino Acids
- 20 different amino acids in body. These are alpha amino acids
- Made up of a basic amine group and an acidic carboxyl group
- General formula of alpha amino acid is RCH(NH2)COOH
- R group is usually carbon-containing group that may also contain an OH, COOH, SH OR NH2 group
- Amino acids are amphoteric-they can react with both acids and bases
- At a pH more acidic (lower) than the isoelectric point, the amino acid acts as a base and accepts a proton from the acid. The amino acid forms a positively charged ion
- At a pH more alkaline (higher) than the isoelectric point, the amino acid acts as an acid and donates a proton to the base. The amino acid forms a negatively charged ion
- 20 different amino acids in body. These are alpha amino acids
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