biochap19bacteria
Terms
undefined, object
copy deck
- prokaryotes
- single celled organisms lacking a nucleus
- bacillus
- rod shaped prokaryote
- spirilla
- spiral and corkscrew shaped prokaryotes
- flagella
- whiplike structures used for movement
- photoautotroph
- prokaryotes that carry out photosynthesis in a manner like plants
- chemoautotrophs
- prokaryotes that obtain energy from inorganic molecules
- photoheterotrophs
- prokaryote that is photsynthetic but also needs organic compounds for nutrition
- nitrogen fixation
- process of converting oxygen into a form plants can use
- pathogens
- disease causing agents, such as bacterium or fungi
- Antibiotic
- compounds that block growth and reproduction of bacteria
- Sterilization
- destroying bacteria by subjecting them to either great heat or chemical action
- Virus
- particles made up of nucleic acid, protein, and in some cases lipids that can replicate only by infecting other cells
- capsid
- a virus's outer protein coat
- bacteriophage
- viruses that infect bacteria
- lytic infection
- process in which a virus enters a cell, makes a copy of itself, and causes the cell to burst
- lysogenic infection
- host cell makes copies of the virus indefinitely
- Retrovirus
- viruses that contain RNA as their genetic info
- prions
- infectious particle made up of protein rather than RNA or DNA