Which organisms were used in Hershey-chase experiment?

Explanation

**Step-by-Step Solution:**

1. **Identify the Experiment**: The question refers to the Hershey-Chase experiment, which was a pivotal study in molecular biology.

2. **Understand the Purpose of the Experiment**: The Hershey-Chase experiment was designed to determine whether DNA or protein was the genetic material in organisms.

3. **Identify the Organisms Used**: In the Hershey-Chase experiment, two main organisms were utilized:
- **Bacteriophage**: A type of virus that infects bacteria. Specifically, they used the T2 bacteriophage.
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