Growth and Nutrition of Bacteria Some organisms can use reduced inorganic compounds as electron donors and are termed as lithotrophs photo-organotrophs phototrophs chemotrophs lithotrophs photo-organotrophs phototrophs chemotrophs ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following is not the characteristic of a growth curve? Graphs numbers of microbes versus time Plotted with logarithmic numbers Each growth curve consists of four distinct phases Shows development of microbial population under relatively stable environmental conditions Graphs numbers of microbes versus time Plotted with logarithmic numbers Each growth curve consists of four distinct phases Shows development of microbial population under relatively stable environmental conditions ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Quantitative measurement of bacterial growth can be carried out by measuring all of these cell count cell mass cell activity all of these cell count cell mass cell activity ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The equation used to obtain bacterial population by binary fission is log(N/No) = nlog 2 log N/No = (0.3010) n All of these N = No2n log(N/No) = nlog 2 log N/No = (0.3010) n All of these N = No2n ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Exponential phase of growth curve of bacteria is of limited duration because of 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 exhaustion of nutrients 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 all of these Salmonella S. aureus C. botulinum all of these Salmonella S. aureus ANSWER DOWNLOAD EXAMIANS APP