The charged particles inside and outside the cell are called

• A. nuclei.
• B. axons.
• C. membranes.
• D. ions.

Answer: (D)

Verified step by step guidance

1. Understand the context: The problem is about identifying the correct term for charged particles inside and outside the cell.
2. Recall basic cell biology: Cells have charged particles that play a crucial role in cellular functions.
3. Identify the options: The options given are nuclei, axons, membranes, and ions.
4. Clarify each term: Nuclei are the control centers of cells, axons are parts of neurons, membranes are structures that enclose cells, and ions are charged particles.
5. Conclude with the correct term: Based on the definitions, ions are the charged particles inside and outside the cell.