Why is the enzyme cellulase needed for isolating genetic material from plant cells and not from the animal cells?

Explanation

To answer the question of why the enzyme cellulase is needed for isolating genetic material from plant cells and not from animal cells, we can break down the explanation into several steps:

### Step-by-Step Solution:

1. **Understanding Cell Structure**:
- Plant cells have a rigid structure due to the presence of a cell wall, which is primarily composed of cellulose. In contrast, animal cells do not have a cell wall; they only have a cell membrane.

2. **Role of Cellulase**:
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