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| Most prokaryotes plasmolyze in what kind of surrounding? | ||
| What is the matrix composed of modifid-sugar polymers cross-linked by short polypeptides, that bacteria contain in their cell walls? | ||
| What is an important tool for identifying bacteria with a thicker layer of peptidoglycan? | ||
| What are bacteria with walls containing a thicker layer of peptidoglycan called? | ||
| What are bacteria called when they have more complex walls including an outer lipopolysaccharide membrane? | ||
| Many prokaryotes secrete a sticky what outside of the cell wall that serves as protection from attack by a host's immune system and as glue for adhering to a substrate or other prokaryotes? | ||
| What are surface hairlike appendages that some bacteria may attach using? | ||
| What do the bacteria's flagella lack? | ||
| What do many motile bacteria exhibi, which is an oriented movement in response to chemical, light, magnetic, or other stimuli? | ||
| The circular DNA chromosome is found where? | ||
| What are small rings of DNA which may carry genes for antibiotic resistance, metabolism of unusual nutrients, or other functions? | ||
| Some bacteria contain what, which are tough-walled dormant cells formed in response to harsh conditions? | ||
| What obtain energy by oxidizing inorganic substances and need only CO2 as an energy source? | ||
| What use light energy but must obtain carbon in organic form? | ||
| What use organic molecules as both an energy and a carbon source? | ||
| What need oxygen for cellular respiration? | ||
| What can use oxygen but also can grow in anaerobic conditions using fermentation? | ||
| some obligate anaerobes use what to break down nutrients, with inorganic molecules other than oxygen as the final electron acceptor? | ||
| What are surface-coating colonies characterized by intercellular signaling, proteins that adhere to each other and to the substrate, and channels n the colony for movement of nutrients and wastes | ||
| What is a nutritionally diverse group of aerobic and anaerobic gram-negative bacteria? | ||
| What are mutual symbionts or parasites of eukaryotes? | ||
| What includes the important soil bacteria? | ||
| What includes photosynthetic sulfur bacteria and some serious pathogens and enterics (intestinal inhabitants)? | ||
| What includes the colony-forming myxobacteria and the predacious bdellovibrio? | ||
| What is the mostly pathogenic group? | ||
| What are gram-negative obligate intracellular animal parasites, and cause blindness and an STD? | ||
| What are helical heterotrophs that move in a cockscrew fashion, causing syphilis and lyme disease? | ||
| What have plantlike, oxygenic photosynthesis and are important producers in freshwater and marine ecosystems? | ||
| What are species that live in extreme habitats? | ||
| What may be found in hot sulfur springs and near deep-sea hydrothermal vents? | ||
| What live in extremely saline waters? | ||
| What have a unique energy matabolism in which CO2 is used to oxidize H2, producing the waste product methane? | ||
| What is an ecological relationship involving direct contact between organisms of different species? | ||
| If, during symbiosis, one organism is larger than the other, it is called the what and the smaller is called the what? | ||
| What are proteins secreted by prokaryotes that cause diseases? | ||
| What are lipopolysaccharides released from the outer membrane of gram-negative bacteria that have died, which causes diseases like salmonella? | ||
| What is the use of organisms to remove environmental pollutants? |
