Prokaryotes possess

Options

A. Nucleus
B. Nulcleoid
C. Nucleolus
D. Nucellus.

Answer

### Step-by-Step Solution:

1. **Understanding Prokaryotes**: Prokaryotes are primitive organisms that lack a true nucleus and membrane-bound organelles. This means they do not have structures like the endoplasmic reticulum, Golgi apparatus, mitochondria, or chloroplasts.

2. **Identifying Genetic Material**: Since prokaryotes do not have a true nucleus, they still possess genetic material. This genetic material is not enclosed within a membrane, which is a key characteristic of prokaryotes.

3. **Defining Nucleoid**: The genetic material in prokaryotes is found in a region called the nucleoid. The nucleoid is located in the cytoplasm and does not have a nuclear membrane surrounding it. This distinguishes it from the nucleus found in eukaryotic cells.

4. **Evaluating Options**:
- **Nucleus**: This is incorrect because a nucleus is a membrane-bound organelle that contains genetic material, which prokaryotes do not have.
- **Nucleoid**: This is the correct answer, as it is the region where the genetic material is located in prokaryotes.
- **Nucleolus**: This is also incorrect because the nucleolus is a structure found within the nucleus of eukaryotic cells and is involved in ribosome production.
- **Nucellus**: This option is incorrect as well; it refers to a structure in plants related to the ovule and is not related to prokaryotic cells.

5. **Conclusion**: The correct answer is **nucleoid**, as it is the structure that prokaryotes possess for their genetic material.