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? Petroff-Hausser chamber Hemostat Trubidostat Coulter Counter Petroff-Hausser chamber Hemostat Trubidostat Coulter Counter ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria All organisms require at least small amounts of carbondioxide, However, some can use CO2 as their sole source of carbon. Such organisms are termed as autotrophs chemotrophs phototrophs photo-organotrophs autotrophs chemotrophs phototrophs photo-organotrophs ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Starvation proteins are produced by a culture during which of the following segments of the growth curve? Stationary phase Exponential phase Lag phase Death phase Stationary phase Exponential phase Lag phase Death phase ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The term facultative anaerobe refers to an organism that doesn't use oxygen but tolerates it requires less oxygen than is present in air is killed by oxygen uses oxygen when present or grows without oxygen when absent doesn't use oxygen but tolerates it requires less oxygen than is present in air is killed by oxygen uses oxygen when present or grows without oxygen when absent ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria A culture broth tube was very turbid at the bottom of the tube but clear at the top of the tube indicating that the organism should be grown in an anaerobic chamber broth is sterile organism can tolerate oxygen organism cannot produce superoxide dismutase and/or catalase organism should be grown in an anaerobic chamber broth is sterile organism can tolerate oxygen organism cannot produce superoxide dismutase and/or catalase ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The term aerotolerant anaerobe refers to an organism that requires less oxygen than is present in air is killed by oxygen doesn't use oxygen but can grow in the presence of oxygen prefers to grow without oxygen requires less oxygen than is present in air is killed by oxygen doesn't use oxygen but can grow in the presence of oxygen prefers to grow without oxygen ANSWER DOWNLOAD EXAMIANS APP
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