Which of the following is the correct match ?

Options

A. `{:("Acid amino","Basic amino","Neutral amino"),("acid","acid","acid"),("Glutamic acid","Lysine","Valine"):}`
B. `{:("Acid amino","Basic amino","Neutral amino"),("acid","acid","acid"),("Lysine","Valine","Glutamic acid"):}`
C. `{:("Acid amino","Basic amino","Neutral amino"),("acid","acid","acid"),("Glutamic acid","Valine","Lysine"):}`
D. `{:("Acid amino","Basic amino","Neutral amino"),("acid","acid","acid"),("Lysine","Glutamic acid","Valine"):}`

Answer

To determine the correct match for the given amino acids based on whether they are acidic, basic, or neutral, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Structure of Amino Acids**:
- Amino acids consist of a central carbon atom bonded to an amino group (-NH2), a carboxylic acid group (-COOH), a hydrogen atom, and a variable side chain (R group).

2. **Identify Functional Groups**:
- The nature of the side chain (R group) determines whether the amino acid is acidic, basic, or neutral:
- **Acidic Amino Acids**: Contain an acidic functional group in their side chain (e.g., -COOH).
- **Basic Amino Acids**: Contain an amine functional group in their side chain (e.g., -NH2).
- **Neutral Amino Acids**: Contain neither acidic nor amine functional groups.

3. **Analyze the Given Amino Acids**:
- **Glutamic Acid**: Contains an acidic side chain, hence it is classified as acidic.
- **Lysine**: Contains an amine group in its side chain, hence it is classified as basic.
- **Valine**: Contains a side chain that is neither acidic nor basic, hence it is classified as neutral.
- **Glycine**: Also a neutral amino acid, but not the focus here.

4. **Match the Amino Acids with Their Classifications**:
- Based on the analysis:
- Acidic: Glutamic Acid
- Basic: Lysine
- Neutral: Valine

5. **Evaluate the Options**:
- **Option 1**:
- Acidic: Glutamic Acid (Correct)
- Basic: Lysine (Correct)
- Neutral: Valine (Correct)
- **Option 2**:
- Acidic: Lysine (Incorrect)
- Basic: Valine (Incorrect)
- Neutral: Glutamic Acid (Incorrect)
- **Option 3**:
- Acidic: Glutamic Acid (Correct)
- Basic: Valine (Incorrect)
- Neutral: Glycine (Incorrect)
- **Option 4**:
- Acidic: Glycine (Incorrect)
- Basic: Glutamic Acid (Incorrect)
- Neutral: Valine (Correct)

6. **Conclusion**:
- The only option that correctly matches all three classifications is **Option 1**.

### Final Answer:
The correct match is **Option 1**:
- Acidic Amino Acid: Glutamic Acid
- Basic Amino Acid: Lysine
- Neutral Amino Acid: Valine

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