What are nuclear pores? State their function.

Explanation

### Step-by-Step Solution

1. **Definition of Nuclear Pores**:
- Nuclear pores are tiny holes located in the nuclear membrane, which surrounds the nucleus of a cell. The term "nuclear" refers to its relation to the nucleus, while "pores" indicates that they are openings or holes.

2. **Structure of Nuclear Pores**:
- The nuclear membrane is composed of two layers: an inner membrane and an outer membrane. Nuclear pores are formed where these two membranes fuse together, creating openings that allow for the passage of materials.

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