kingdom monera

Question

Which characteristic is typical of cyanobacteria but absent in most true bacteria?

RankGuru · Accepted Answer

1. **Prokaryotes**: Both True Bacteria (Eubacteria) and Cyanobacteria (Blue-green algae) belong to Kingdom Monera and share prokaryotic traits (no nucleus, 70S ribosomes, peptidoglycan walls).
2. **Photosynthesis types**:
   - **Most True Bacteria**: If they photosynthesize, they are usually anoxygenic (do not produce oxygen, $e.g.,$ purple sulfur bacteria).
   - **Cyanobacteria**: They have **Chlorophyll $a$** (similar to green plants) and perform **oxygenic photosynthesis** (splitting water to release $O_2$).
3. **Unique Pigments**: They also contain phycobiliproteins (phycoerythrin and phycocyanin).

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kingdom monera

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