Which scientist called the protoplasm as the physical basis of life?

Explanation

**Step-by-Step Solution:**

1. **Define Protoplasm**: Protoplasm is often referred to as living matter. It is a complex substance that is semi-solid and has properties that are characteristic of life.

2. **Characteristics of Protoplasm**: Protoplasm is described as a crystallocolloidal complex. This means it has a structure that is both crystalline and colloidal, allowing it to exhibit all the properties of life.

3. **Location of Protoplasm**: Protoplasm is found within living cells, making it essential for the functioning of life.

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