Growth and Nutrition of Bacteria Microaerophilic bacteria are those which require oxygen for activation of enzymes 21 % oxygen for growth None of these low levels of oxygen for growth (lesser than O2 present in atmosphere) oxygen for activation of enzymes 21 % oxygen for growth None of these low levels of oxygen for growth (lesser than O2 present in atmosphere) 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 S. aureus C. botulinum Salmonella all of these S. aureus C. botulinum Salmonella all of these ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria All organisms require at least small amounts of carbondioxide, However, some can use CO2 as their sole source of carbon. Such organisms are termed as autotrophs phototrophs chemotrophs photo-organotrophs autotrophs phototrophs chemotrophs photo-organotrophs ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The period between inoculation of bacteria in a culture medium and beginning of multiplication is known as lag phase log phase stationary phase decline phase lag phase log phase stationary phase decline phase ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Organisms, using organic compounds as electron donors are called lithotrophs chemotrophs phototrophs organotrophs lithotrophs chemotrophs phototrophs organotrophs ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Exponential phase of growth curve of bacteria is of limited duration because of exhaustion of nutrients accumulation of toxic metabolites rise in cell density all of these exhaustion of nutrients accumulation of toxic metabolites rise in cell density all of these ANSWER DOWNLOAD EXAMIANS APP