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 chemotrophs chemo-lithotrophs fastidious hetrotrophs photo-organotrophs chemotrophs chemo-lithotrophs fastidious hetrotrophs photo-organotrophs ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria A spore differs from an actively replicating bacterium in that the spore is metabolically inactive is able to withstand more extreme conditions than the replicating cell is produced during a process involving asymmetric division All of these is metabolically inactive is able to withstand more extreme conditions than the replicating cell is produced during a process involving asymmetric division All of these ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria What is the primary source of food for marine life? Zooplankton Phytoplankton Sea weed Grass Zooplankton Phytoplankton Sea weed Grass ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The ability of Vibrio fischeri to produce bioluminescence chemicals only when a certain population density has been reached is an example of quorum sensing Liebig's law of the minimum Shelford's law of tolerance Heisenberg's principle of uncertainty quorum sensing Liebig's law of the minimum Shelford's law of tolerance Heisenberg's principle of uncertainty ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The growth is normally expressed as __________ in turbidimetric measurement optical density cells per ml mg N2 /ml cfu/ml optical density cells per ml mg N2 /ml cfu/ml ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria In the exponential phase, the cells and cell mass double at a constant rate first increases then decreases are constant decreases double at a constant rate first increases then decreases are constant decreases ANSWER DOWNLOAD EXAMIANS APP