QUESTIONS And CORRECT Answers
how are archaea different than bacteria? - CORRECT ANSWERS archaea live in inhospitable
places
what are archaeal cell walls composed of? - CORRECT ANSWERS polysaccharides (sugars),
pesudopeptidoglycan, surface-layer proteins, or glycoproteins
what are bacterial cell walls composed of? - CORRECT ANSWERS peptidoglycan
what type of cell membrane does archaea have? - CORRECT ANSWERS lipid bilayer or
monolayer
what type of cell membrane does bacteria have? - CORRECT ANSWERS lipid bilayer comprised
of fatty acids
why was archaea separated from bacteria - CORRECT ANSWERS difference in cell wall
what is similar between archaea and eukarya - CORRECT ANSWERS both do:
- asexual reprod.
- same DNA replication process
what were "archaeons" termed after - CORRECT ANSWERS methanogens
where can you find halobacterium salinarium? - CORRECT ANSWERS dead sea, salted foods
where can you find pyrococcus furiosus - CORRECT ANSWERS hydrothermal vents
, where can you find picrophilus oshimae - CORRECT ANSWERS sulfur-rich volcanic regions
where can you find methogenium frigidium - CORRECT ANSWERS ace lake, antarctica
how does PCR help unculturable bacteria - CORRECT ANSWERS helps amplify & sequence
unculturable bacteria
enrichment media - CORRECT ANSWERS only permits growth of certain species
differential media - CORRECT ANSWERS helps distinguish between bacterial cultures
selective media - CORRECT ANSWERS grows specific microbes
ex: MacConkey agar
synthetic media - CORRECT ANSWERS (defined) defined chemical composition
non-synthetic media - CORRECT ANSWERS (non-defined) multiplies microorganisms
complex media - CORRECT ANSWERS unknown chemical composition
liquid media - CORRECT ANSWERS shows turbidity (broths)
rank microbes on their growth temp ranges (lowest-highest)
thermophiles, mesophiles, hyperthermophiles, psychrophiles - CORRECT
ANSWERS psychrophiles->mesophiles->thermophiles->hyperthermophiles
facultative anaerobes ___ use oxygen but can also grow ___ oxygen - CORRECT ANSWERS can ;
without