Active intake of macromolecules and particulate materials by the cell is called ...............

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the term that describes the active intake of macromolecules and particulate materials by a cell.

2. **Identifying Key Terms**: The key terms in the question are "active intake," "macromolecules," and "particulate materials." This indicates that the process involves the cell actively transporting substances into itself.

3. **Recalling Biological Processes**: In biology, there are various processes through which cells intake materials. Two primary types are passive transport (which does not require energy) and active transport (which requires energy).

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