A-Level AQA Biology DNA & Protein Synthesis: Draw the general structure of an

Amine Group (–NH₂): This group is responsible for the basic properties of the amino acid.
Carboxyl Group (–COOH): This group gives amino acids their acidic character.
Hydrogen Atom (–H): A single hydrogen atom is also attached to the central carbon.
R Group (Side Chain): The side chain varies between different amino acids and dictates the properties and identity of the amino acid.

Question

Draw the general structure of an amino acid.

The general structure of an amino acid consists of a central carbon atom (C) to which an amine group (–NH₂), a carboxyl group (–COOH), a hydrogen atom (–H), and a variable side chain (R group) are attached. The R group differs among different amino acids, defining their characteristics. The structure can be represented as:

```
  H
  |
H2N--C--COOH
  |
  R
```

Draw the general structure of an amino acid - AQA - A-Level Biology - Question 5 - 2018 - Paper 1

Worked Solution & Example Answer:Draw the general structure of an amino acid - AQA - A-Level Biology - Question 5 - 2018 - Paper 1

General Structure of an Amino Acid

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