Growth and Nutrition of Bacteria Organisms, using organic compounds as electron donors are called chemotrophs lithotrophs organotrophs phototrophs chemotrophs lithotrophs organotrophs phototrophs ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Antimicrobial constituents for the microbial growth in foods are both (a) and (b) intrinsic factor none of these extrinsic factor both (a) and (b) intrinsic factor none of these extrinsic factor ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The combination of low levels of NaCl, NaNO3 (sodium nitrate), and slightly acid pH can prevent multiplication and toxin formation of C. botulinum S. aureus all of these Salmonella C. botulinum S. aureus all of these Salmonella ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following organisms typically get their carbon for biosynthesis from organic compounds? Ammonia-oxidizing bacteria (chemolithotrophic bacteria) None of these Aerobic, glucose-respiring bacteria (aerobic respiration) Photosynthetic cyanobacteria (phototrophic metabolism) Ammonia-oxidizing bacteria (chemolithotrophic bacteria) None of these Aerobic, glucose-respiring bacteria (aerobic respiration) Photosynthetic cyanobacteria (phototrophic metabolism) ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria A culture broth tube was very turbid at the surface but clear throughout the rest of the tube indicating that the organism should be grown in an anaerobic chamber organism cannot produce superoxide dismutase and/or catalase organism cannot tolerate oxygen organism are aerobes organism should be grown in an anaerobic chamber organism cannot produce superoxide dismutase and/or catalase organism cannot tolerate oxygen organism are aerobes ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Exponential phase of growth curve of bacteria is of limited duration because of rise in cell density accumulation of toxic metabolites all of these exhaustion of nutrients rise in cell density accumulation of toxic metabolites all of these exhaustion of nutrients ANSWER DOWNLOAD EXAMIANS APP
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