Growth and Nutrition of Bacteria Which of the following procedures uses a photocell to measure absorbance of a culture to regulate the flow of culture media? Hemostat Petroff-Hausser chamber Trubidostat Coulter Counter Hemostat Petroff-Hausser chamber Trubidostat Coulter Counter ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The growth is normally expressed as __________ in turbidimetric measurement optical density mg N2 /ml cfu/ml cells per ml optical density mg N2 /ml cfu/ml cells per ml 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 chemo-lithotrophs fastidious hetrotrophs chemotrophs photo-organotrophs chemo-lithotrophs fastidious hetrotrophs chemotrophs photo-organotrophs ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria A spore differs from an actively replicating bacterium in that the spore is produced during a process involving asymmetric division is metabolically inactive All of these is able to withstand more extreme conditions than the replicating cell is produced during a process involving asymmetric division is metabolically inactive All of these is able to withstand more extreme conditions than the replicating cell ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria A culture broth tube was very turbid at the surface but clear throughout the rest of the tube indicating that the organism cannot produce superoxide dismutase and/or catalase organism are aerobes organism should be grown in an anaerobic chamber organism cannot tolerate oxygen organism cannot produce superoxide dismutase and/or catalase organism are aerobes organism should be grown in an anaerobic chamber organism cannot tolerate oxygen ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The reproduction by budding occur in Bacillus subtilis Rhodopseudomonas acidophila Hyphomicrobium vulgare Both (a) and (b) Bacillus subtilis Rhodopseudomonas acidophila Hyphomicrobium vulgare Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
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