What is single cell protein? Give two examples.

Explanation

### Step-by-Step Text Solution:

1. **Definition of Single Cell Protein (SCP)**:
Single cell protein refers to the protein extracted from single-celled organisms such as bacteria, yeast, fungi, and algae. It serves as an alternative source of protein for both human and animal nutrition.

2. **Importance of Single Cell Protein**:
SCP is considered a valuable source of protein due to its high protein content and the ability to grow these microorganisms on various substrates, including waste materials. This not only provides a sustainable source of nutrition but also helps in reducing environmental waste.

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