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BIOL 2117 CHAPTER 6 TERMS 3

Across
MULTIPLE TEST TUBE; COUNT POSITIVE TEST TUBES; COMPARE WITHA STATISTICAL TUBE.
USED TO ISOLATE PURE CULTURES; CLONES OF BACTERIA.
LOGARITHMIC, OR EXPONENTIAL, INCREASE IN POPULATION.
VOLUME OF BACTERIAL SUSPENSION PLACED ON A SLIDE; AVERAGE # OF BACTERIA PER VIEWING FIELD IS CALCULATED; USES A SPECIAL PETROFF-HAUSSER CELL COUNTER; # OF BACTERIA/ML = #OF CELLS COUNTED/ VOLUME OF AREA COUNTED.
-54 TO -72 DEGREES CELSIUS, MICROBES ARE QUICKLY FROZEN AND THE WATER IS REMOVED BY A HIGH VACUUM (SUBLIMATION).
MOST FREQUENT METHOD, COUNT COLONIES ON PLATES THAT HAVE 30-300 COLONIES; ENSURE THE RIGHT NUMBER OF COLONIES, THE ORIGINAL INOCULUM MUST BE DILUTED VIA SERIAL DILUTION; COUNTS ARE PERFORMED ON BACTERIA MIXED INTO A DISH WITH AGAR
-50 TO -95 DEGREES CELSIUS, PROCESS IN WHICH A PURE CULTURE OF MICROBES IS PLACED IN A SUSPENDING LIQUID AND QUICK-FROZEN.
Down
POPULATION IS DECREASING AT A LOGARITHMIC RATE.
CONTAINS ONLY ONE SPECIES OR STRAIN.
THE WAY BACTERIA NORMALLY PRODUCE, DOUBLES THE NUMBER OF CELLS EACH GENERATION.
SOLUTION PASSED THROUGH A FILTER THAT COLLECTS BACTERIA; FILTER IS TRANSFERRED TO A PETRI DISH AND GROWS AS COLONIES ON THE SURFACE.
PERIOD OF EQUILIBRIUM; MICROBIAL DEATHS BALANCE PRODUCTION OF NEW CELLS.
INTENSE ACTIVITY PREPARING FOR POPULATION GROWTH, BUT NO INCREASE IN POPULATION.
MEASUREMENT OF CLOUDINESS WITH A SPECTROPHOTOMETER; PRACTICAL WAY OF MONITORING BACTERIAL GROWTH.