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List some applications of Microbiology
- Food Production
- Useful products from bacteria
What is biodiversity?
The variety of species inhabiting a particular environment.
What is a domain?
The highest level in classification above the level of kingdom.
What are the 3 domains all organsism can be assigned to?
What is a Eukaryote?
- Organism composed of one or more eukaryotic cells
- members of the domain "Eukarya" are eukaryotes.
What is a eukaryotic cell?
Cell characterized by a membrane bound nucleus.
What is a Prokaryote?
Single celled organism composed of prokaryotic cells.
What is a Prokaryotic Cell?
Cell type characterized by lack of a membrane bound nucleus or any other intracellular organelles.
What is the nucleoid?
The region of a prokaryote that contains DNA.
Which 2 domains belong to the prokaryote group?
Give an example of eukaryotes:
- Multi-cellular parasites
Compare the cell walls of Bacteria, Archaea, and Eucarya:
- Bacteria - has Peptidoglycan present, which causes the wall to be rigid.
- Archaea - No Peptidoglycan
- Eucarya - No Peptidoglycan
Compare nuclear membranes of Bacteria, Archaea, and Eucarya:
- Bacteria: No membane
- Archaea: No membane
- Eucarya: Has membrane
Discuss the organelles of Bacteria, Archaea, and Eucarya:
- Bacteria: No organelles
- Archaea: No organelles
- Eucarya: Organelles
How do Bacteria and Archaea multiply?
What is a virus?
A piece of nucleic acid surrounded by a protien coat that can only reproduce inside living cells.
What is a viroid?
A simple, short piece of ribonucleic acid without a protective coating, that can only reproduce within a living cell.
What are prions?
Structure that consists only of abnormal protiens, with no nucleic acid, responsible for at least 7 neurodegenerative diseases in humans and animals.