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Prokaryotes
Bio
| Question | Answer |
|---|---|
| What is a prokaryote? | single celled organisms that lack intracellular membrane structures, such as nuclei |
| What is archaea? | one of the three domains of life, characterized by single-celled prokaryote organisms that are commonly found in extreme habitats |
| What is bacteria? | one of the three domains of life, characterized by single celled prokaryote organisms that are extremely ubiquitous and diverse |
| What are protobionts? | they are thought to be the first single-celled organisms |
| What are the three domains of life? | prokaryote bacteria, prokaryote archaea, and eukarya |
| What are archaea? | unicellular prokaryotes |
| How does archaea reproduce? | asexually |
| Archaea are commonly seen as ______ | extremophiles |
| What are bacteria? | unicellular prokaryotes |
| How does bacteria reproduce? | asexually |
| Bacteria is much more common than ______ | archaea |
| categories of the bacteria species based on its nutrition | photoautotrophs, chemoautotrophs, chemoheterotrophs, photoheterotrophs |
| categories of bacteria species based on its response to oxygen | obligate aerobes, facultative aerobes, obligate anaerobes, aerotolerant anaerobes |
| what are pathogenic (disease-causing) bacteria? | makes up a small proportion of the total number of species of bacteria |
| what are nitrogen-fixing bacteria? | associated with plant roots and are able to convert atmospheric nitrogen into other forms that can be used by plants as fertilizer. bacteria are located within nodules on the roots of plants, particularly those with plans within the legume family |
| What are cyanobacteria? | able to photosynthesize like plants and provides a large proportion of oxygen in the atmosphere and serve as important primary producers in natural ecosystems |
| what are spherical (coccus)? | coccus bacterial cells have a spherical shape and include many species of bacteria, such as the pathogenic bacteria, staphylococcus aereus |
| what are comma-shaped (vibrio)? | vibrio is a genus of gram-negative bacteria possessing a curved rod shape, several species of which can cause foodborne infection, usually associated with eating undercooked seafood |
| what are rod-shaped (bacillus)? | bacillus is a genus of gram-positive, rod-shaped bacteria that includes both free-living and pathogenic species |
| what are spiral-shaped (spirochaete)? | spirochaetes belong to a phylum of distinctive gram-negative bacteria, which has long, helically coiled cells |
| bacteria pilli is responsible for _____ | conjugation |
| what do prokaryotic and eukaryotic cells share in common? | ribosomes |
| what are cell walls of bacteria composed of? | peptidoglycan |
Created by:
Lavernee
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