What substance was earlier given the name sarcode?

Explanation

**Step-by-Step Solution:**

1. **Identify the Original Name**: The question asks for the substance that was previously known as "sarcode."

2. **Recall Historical Context**: The term "sarcode" was used in the 19th century to describe a certain substance found in living cells.

3. **Identify the Substance**: The substance that was referred to as "sarcode" is "protoplasm."

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