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 Microaerophilic bacteria are those which require 21 % oxygen for growth oxygen for activation of enzymes None of these low levels of oxygen for growth (lesser than O2 present in atmosphere) 21 % oxygen for growth oxygen for activation of enzymes 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 term obligate anaerobe refers to an organism that doesn't use oxygen but tolerates it is killed by oxygen prefers to grow without oxygen uses oxygen when present or grows without oxygen when oxygen is absent doesn't use oxygen but tolerates it is killed by oxygen prefers to grow without oxygen uses oxygen when present or grows without oxygen when oxygen is absent ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following is not the characteristic of a growth curve? Shows development of microbial population under relatively stable environmental conditions Each growth curve consists of four distinct phases Graphs numbers of microbes versus time Plotted with logarithmic numbers Shows development of microbial population under relatively stable environmental conditions Each growth curve consists of four distinct phases Graphs numbers of microbes versus time Plotted with logarithmic numbers ANSWER DOWNLOAD EXAMIANS APP
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 fastidious hetrotrophs chemotrophs photo-organotrophs chemo-lithotrophs fastidious hetrotrophs chemotrophs photo-organotrophs chemo-lithotrophs ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Postgates assay technique is useful in determining if a cell is viable even though it is a thermophile too small to see an obligate aerobe incapable of cell division a thermophile too small to see an obligate aerobe incapable of cell division ANSWER DOWNLOAD EXAMIANS APP
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