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 phototrophs photo-organotrophs chemotrophs autotrophs phototrophs photo-organotrophs chemotrophs autotrophs ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The equation used to obtain bacterial population by binary fission is All of these N = No2n log N/No = (0.3010) n log(N/No) = nlog 2 All of these N = No2n log N/No = (0.3010) n log(N/No) = nlog 2 ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria An organism has an optimal growth rate when the hydrogen ion concentration is very high. This organism is aerotolerant anaerobe acidophile neutrophile osmotolerant aerotolerant anaerobe acidophile neutrophile osmotolerant 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 acidophile aerotolerant anaerobe osmotolerant alkalophile acidophile aerotolerant anaerobe osmotolerant alkalophile 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 The combination of low levels of NaCl, NaNO3 (sodium nitrate), and slightly acid pH can prevent multiplication and toxin formation of C. botulinum Salmonella all of these S. aureus C. botulinum Salmonella all of these S. aureus ANSWER DOWNLOAD EXAMIANS APP