What is lamellasome?

Explanation

**Step-by-Step Solution:**

1. **Definition of Lamellasome**: Lamellasome is a structure found in blue-green algae (also known as cyanobacteria). It is a membranous structure associated with the plasma membrane of these organisms.

2. **Structure Description**: Lamellasome appears as a membranous, squared, or semicircular structure. This indicates that it has a specific shape that is characteristic of its function and location.

3. **Location**: Lamellasomes are attached to the plasma membrane of blue-green algae. This positioning is important as it suggests a role in the cellular processes that occur at the membrane interface.

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