Growth and Nutrition of Bacteria Starvation proteins are produced by a culture during which of the following segments of the growth curve? Exponential phase Death phase Stationary phase Lag phase Exponential phase Death phase Stationary phase Lag phase ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following is not the characteristic of a growth curve? Each growth curve consists of four distinct phases Graphs numbers of microbes versus time Shows development of microbial population under relatively stable environmental conditions Plotted with logarithmic numbers Each growth curve consists of four distinct phases Graphs numbers of microbes versus time Shows development of microbial population under relatively stable environmental conditions Plotted with logarithmic numbers ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Bacteria and fungi multiply best between 16-38°C above 38°C none of these below 16°C between 16-38°C above 38°C none of these below 16°C ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The organism which obtain their energy from chemicals are designated as prototrophs chemotrophs organotrophs autotrophs prototrophs chemotrophs organotrophs autotrophs 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 Salmonella all of these S. aureus C. botulinum Salmonella all of these S. aureus C. botulinum ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria An organism that expends energy to grow in a habitat with a low water activity in order to maintain internal solute concentrations to retain water is aerotolerant anaerobe alkalophile osmotolerant acidophile aerotolerant anaerobe alkalophile osmotolerant acidophile ANSWER DOWNLOAD EXAMIANS APP