によって Scarlett BTS 5年前.
191
Prokaryotes
Prokaryotes are single-celled organisms that play a crucial role in various ecological interactions. They form biofilms, which are communities of bacteria that adhere to surfaces, exemplified by dental plaque.
によって Scarlett BTS 5年前.
191
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decomposes organic material
reduces carbon dioxide to methane
nitrogen is converted to ammonia
makes ATP with or without oxygen
Poisoned by Oxygen
requires oxygen to grow
use light for energy, but not carbon dioxide as their sole carbon source
obtain energy by oxidation of electron donors in their environment
Gets energy from the oxidation or inorganic compounds
Carry our photosynthesis
Thermophilic
thermophilic or hyperthermophilic organisms
contains microorganisms from terrestrial and subsurface geothermal ecosystems
embraces ammonia-oxidizing organisms from different enviroments.
Separate deep-branching phylum within archaea
can grow in low tempratures
survive in alkaline environments
thrive under highly acidic conditions
grows best at higher than normal tempratures
an organism that grows in or can tolerate saline conditions
carry prokaryotic genes from one host cell to another
DNA is transferred between two prokaryotic cells that are temporarily joined.
movement of genes from one organism to another
Genotype and possibly the phenotype of prokaryotic cell are altered by the uptake of foreign DNA from its surroundings.
single prokaryotic cell divides into two, then 4, and so on
Ex: Campylobacter- causes blood poisoning
Most are pathogenic to humans or other animals
Ex: Bdellovibrios- attack other bacteria
Slime-secreting myxobacteria
Some are pathogens (ex. Salmonella)
Includes sulfer bacteria.
Wide range of aquatic species (ex: Rubrivivax)
Nutritionally Diverse
Associated with Eukaryotic hosts (ex: Rhizobium)
Curved or corkscrew-like spiral
Rod-shape
Sperical
