What is peculiar about Thermoplasma ?

Explanation

**Step-by-Step Solution:**

1. **Identify the Organism**: The organism in question is Thermoplasma, specifically Thermoplasma acidophilum.

2. **Classification**: Thermoplasma is classified as a thermoacidophilic Archeon. This means it thrives in both high-temperature (thermo) and highly acidic (acidophilic) environments.

3. **Cell Structure**: A peculiar characteristic of Thermoplasma is that it lacks a traditional cell wall, which is commonly found in many other organisms. Instead, it possesses a specialized cell membrane.

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