What are cry protein ? and organisms?

Explanation

### Step-by-Step Solution:

1. **Definition of Cryoprotein**:
- Cryoproteins are a large family of crystalline toxins. They are proteins that have a crystalline structure and possess insecticidal properties.

2. **Characteristics of Cryoproteins**:
- These proteins are toxic and are specifically designed to target and kill certain insects. The crystalline form allows them to be effective in their role as insecticides.

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