DEATH PHASE
POPULATION DECREASES
STATIONARY PHASE
PERIOD OF EQUILIBRIUM
LOG PHASE
RAPID EXPONENTIAL GROWTH
LAG PHASE
STARTING PHASE
WHAT IS CHEMICALLY DEFINED MEDIA?
EXACT CHEMICAL COMPOSITION IS KNOWN
MICROAEROPHILES
OCCURS WHERE O2 IS LOW CONCENTRATION
AEROTOLERANT ANAEROBES
GROWTH OCCURS EVENLY O2 HAS NO EFFECT
OBLIGATE ANAEROBES
NO O2 TO GROW
FACULTATIVE ANAEROBES
PREFERS O2 BUT CAN TOLERATE WITHOUT O2
OBLIGATE AEROBES
HAVE TO HAVE O2 TO GROW
CHEMOHETEROTROPHS
USE ORGANIC CARBON SOURCES FOR ENERGY
PSYCHROPHILES
CAN GROW IN COLD TEMPERATURES
COLD-LOVING MICROBES
MESOPHILES
MODERATE-TEMPERATURE LOVING MICROBES
THERMOPHILES
HEAT GROWING MICROBES
WHAT TOLERATES HIGH OSMOTIC PRESSURE?
FACULTATIVE HALOPHILES
WHAT REQUIRES HIGH OSMOTIC PRESSURE?
OBLIGATE HALOPHILES
WHAT CAUSES PLASMOLYSIS?
HYPERTONIC ENVIRONMENTS
WHAT pH DO MOLDS AND YEASTS GROW?
BETWEEN 5 & 6
WHAT pH DO BACTERIA GROW?
BETWEEN 6.5 AND 7.5