Identify the type of bacterial reproduction described using the following choices:
binary fission, conjugation
Circular chromosome is copied ________

Explanation

To solve the question regarding the type of bacterial reproduction described by the phrase "circular chromosome is copied," we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Options**: The two types of bacterial reproduction given are binary fission and conjugation. We need to identify which one corresponds to the description provided.

2. **Analyze the Description**: The description states "circular chromosome is copied." In bacteria, the genetic material is typically in the form of a circular chromosome.

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