ANSC 326 Exam 2 Questions with Complete Solutions

ANSC 326 Exam 2 Questions with Complete Solutions
3 species of sporeformers that cause food borne illness Correct Answer-
c. botulinum
c. perfrigens
b. cereus


spore Correct Answer-metabolically inactive, doesnt consume sugar
process of germination


vegetative cell Correct Answer-metabolically active, produce and
released spores


alicylobacillus Correct Answer-thermophilic aciduric spore-forming
bacteria that survive hot fill processes and cause spoilage and injuries


amphilbacillus Correct Answer-facultative anaerobically xylan-
degrading spore-forming bacteria


bacillus Correct Answer-aerobic spore-forming rod shaped bacteria


clostridium Correct Answer-anaerobic spore-forming rod shaped
bacteria


desulfotomaculum Correct Answer-sulfate reducing spore-forming
bacteria

, filobacillus Correct Answer-halophilic aerobic spore-forming rod shaped
bacteria


geobacillus Correct Answer-thermophilic spore-forming rod shaped
bacteria


sporolacbacillus Correct Answer-spore-forming lactobacilli


sulfolobus Correct Answer-sulfur oxidizing thermophilic acidic spore-
forming bacteria


all of the above bacteria are Correct Answer-gram positive spore
forming bacteria


c. botulinum appearance Correct Answer-spores swell the mother
sporangium giving a "tennis racket" shape


C. botulinum Correct Answer-heterogeneous and produce antigeniclly
distinct toxins that are strain specific


type 1 c. botilinum Correct Answer-strains are mesophiles, produce
heat-resistant spores, and make proteases that cause obvious spoilage