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 phototrophs chemotrophs photo-organotrophs autotrophs phototrophs chemotrophs photo-organotrophs ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria A microbe, which grows at temperatures above 95° C is most likely to be an archaean a fungus a protozoan none of these an archaean a fungus a protozoan none of these ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The growth is normally expressed as __________ in turbidimetric measurement cells per ml cfu/ml optical density mg N2 /ml cells per ml cfu/ml optical density mg N2 /ml 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 cannot produce superoxide dismutase and/or catalase organism can tolerate oxygen organism should be grown in an anaerobic chamber broth is sterile organism cannot produce superoxide dismutase and/or catalase organism can tolerate oxygen ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria A synergistic effect is observed when All of these microbial alteration of pH, aw, Eh favours the growth of another one organism produces a growth factor utilized by another one organism removes an inhibitory substance for another All of these microbial alteration of pH, aw, Eh favours the growth of another one organism produces a growth factor utilized by another one organism removes an inhibitory substance for another ANSWER DOWNLOAD EXAMIANS APP
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 doesn't use oxygen but tolerates it prefers to grow without oxygen is killed by oxygen uses oxygen when present or grows without oxygen when oxygen is absent doesn't use oxygen but tolerates it prefers to grow without oxygen is killed by oxygen ANSWER DOWNLOAD EXAMIANS APP