Prokaryotes Flashcards
4 types of prokaryotic cell division with unequal products
1- simple budding
2- budding form hyphae
3- cell division of stalked organism
4- polar growth
What is dilution rate in cell growth cultures?
rate of adding medium to maintain exponential growth phase
Different pH type resistant names
Acidophiles, neutrophiles, alkaliphiles
Name for prokaryotes tolerant to low/negative temp.
Psychrophiles
Name for resistant to NaCl tolerant prokaryote
Extreme halophile
Name for organism which can grow in high sugars
osmophiles
what is the main characteristic of xerophile s?
can grow in very dry conditions
Whats important about compatible solutes?
compatible with cellular cytoplasm
Whats another name for compatible solute?
Osmoprotector
What is a faculative aerobe?
microorganism which can perform aerobic, anaerobic respiration or fermentation BUT peforms better with O2
What is an aerotolerant microorganism?
Fermentation- growth not better when O2 present
What is shift down?
rich to poor medium
= cessation of growth followed by growth increase = stringent response
What refolds denatured proteins?
Dnak (in heatshock situation)
What type of plasmid confer antibiotic resistance?
R-plasmids
What on plasmids can kill related bacteria?
Bacteriocins