Can obligate parasites be cultured on synthetic culture medium ?

Explanation

### Step-by-Step Solution:

1. **Define Obligate Parasites**:
- Obligate parasites are organisms that can only grow and reproduce within a host cell. They cannot survive or multiply outside of their host environment.

2. **Provide an Example**:
- An example of an obligate parasite is Rickettsia, which lives within eukaryotic cells and relies on the host for nutrients and reproduction.

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