- The term antibiotic was coined by Selman Waksman in 1942.
- Bacteria were discovered by Anton Von Leeuwenhock.
- Bacteria are classified based on shapes into Cocci, Bacilli, Spirilli and Vibrio.
- Gram positive bacteria retain purple colour with gram stain.
- The nuclear material of bacteria is called nucleoid.
- Extra nuclear rings of DNA found in bacteria are called plasmids.
- Bacterial photosynthesis does not use water.
- Transformation, Conjugation and Transduction are the types of sexual reproduction seen in bacteria.
- Antibiotics like streptomycin, bacitracin are obtained from bacteria.
- Fungi in association with algae form lichens.
- The plant body of fungi is called mycelium.
- Fungi consists of eukaryotic cells.
- Penicillium reproduces asexually by the formation of conidia.
- In 1929 Alexander Flemming made a discovery that the fungus penicillium could produce an antibacterial substance which he called penicillin.
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