Growth and Nutrition of Bacteria Organisms such as lactobacilli that have elaborate requirements for specific nutrients i.e. vitamins and other growth promoting substances, are generally called as chemo-lithotrophs chemotrophs photo-organotrophs fastidious hetrotrophs chemo-lithotrophs chemotrophs photo-organotrophs fastidious hetrotrophs ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria In the exponential phase, the cells and cell mass first increases then decreases are constant decreases double at a constant rate first increases then decreases are constant decreases double at a constant rate ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The growth is normally expressed as __________ in turbidimetric measurement cells per ml optical density mg N2 /ml cfu/ml cells per ml optical density mg N2 /ml cfu/ml ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Exponential phase of growth curve of bacteria is of limited duration because of all of these exhaustion of nutrients rise in cell density accumulation of toxic metabolites all of these exhaustion of nutrients rise in cell density accumulation of toxic metabolites ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Microaerophilic bacteria are those which require oxygen for activation of enzymes low levels of oxygen for growth (lesser than O2 present in atmosphere) None of these 21 % oxygen for growth oxygen for activation of enzymes low levels of oxygen for growth (lesser than O2 present in atmosphere) None of these 21 % oxygen for growth ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Nutrient content and biological structures are considered as processing factor intrinsic factor for microbial growth implicit factor for microbial growth None of these processing factor intrinsic factor for microbial growth implicit factor for microbial growth None of these ANSWER DOWNLOAD EXAMIANS APP