Growth and Nutrition of Bacteria The term obligate anaerobe refers to an organism that uses oxygen when present or grows without oxygen when oxygen is absent prefers to grow without oxygen doesn't use oxygen but tolerates it is killed by oxygen uses oxygen when present or grows without oxygen when oxygen is absent prefers to grow without oxygen doesn't use oxygen but tolerates it is killed by oxygen ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Organisms, using organic compounds as electron donors are called chemotrophs organotrophs phototrophs lithotrophs chemotrophs organotrophs phototrophs lithotrophs ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The period between inoculation of bacteria in a culture medium and beginning of multiplication is known as lag phase log phase decline phase stationary phase lag phase log phase decline phase stationary phase ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria In the exponential phase, the cells and cell mass decreases are constant first increases then decreases double at a constant rate decreases are constant first increases then decreases double at a constant rate 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
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 Trubidostat Coulter Counter Hemostat Petroff-Hausser chamber Trubidostat Coulter Counter Hemostat ANSWER DOWNLOAD EXAMIANS APP