Kingdom monera members do not contain

Options

A. Cell wall
B. Nucleus
C. Chloroplast
D. Ribosomes

Answer

To answer the question "Kingdom Monera members do not contain," we will analyze the characteristics of members of the Monera kingdom step by step.

### Step-by-Step Solution:

1. **Understanding Kingdom Monera**:
- Kingdom Monera consists of prokaryotic organisms, which are unicellular and lack a well-defined nucleus. This means that their genetic material is not enclosed within a membrane-bound nucleus.

**Hint**: Remember that prokaryotic organisms are defined by the absence of a true nucleus.

2. **Cell Wall**:
- Members of Monera typically have a cell wall, which is primarily made of peptidoglycan in bacteria. Therefore, they do contain a cell wall.

**Hint**: Consider the structure of bacterial cells when thinking about cell walls.

3. **Nucleus**:
- Since Monera includes prokaryotic organisms, they do not have a well-defined nucleus. Instead, their genetic material is found in a region called the nucleoid.

**Hint**: Focus on the definition of prokaryotic cells to understand the absence of a nucleus.

4. **Chloroplast**:
- Chloroplasts are organelles found in eukaryotic cells (like those in plants and some protists) that conduct photosynthesis. Monera does not typically contain chloroplasts, although some prokaryotes can perform photosynthesis (like cyanobacteria) but do not have chloroplasts.

**Hint**: Think about the differences between prokaryotic and eukaryotic cells regarding organelles.

5. **Ribosomes**:
- Ribosomes are present in all living cells, including those in Monera. They are essential for protein synthesis.

**Hint**: Remember that ribosomes are fundamental to all cellular life.

### Conclusion:
From the analysis, we conclude that members of Kingdom Monera do not contain a well-defined nucleus. Therefore, the correct answer is:

**Answer**: Nucleus