Balanced growth is defined as balancing the growth while changing the nutrient composition balancing the growth while controlling the pH balancing the growth while controlling the temperature cultures undergoing balanced growth while maintaining a constant chemical composition TRUE ANSWER : ? YOUR ANSWER : ?
Thiobacillus thiooxidans has an optimum pH of 6.5-7.5 0.5-6.0 2.0-3.5 9.0-9.5 TRUE ANSWER : ? YOUR ANSWER : ?
Stringent anaerobes can be grown in a media by taking special measure as addition of cysteine boiling the media for several minutes passing through oxygen-free nitrogen any of these TRUE ANSWER : ? YOUR ANSWER : ?
The cell mass can be measured optically by determining the amount of light scattered by a suspension of cells. The measurements are usually at a wavelength of 600-700nm 400-500nm 300-400nm 500-600nm TRUE ANSWER : ? YOUR ANSWER : ?
Callus cultures are amorphous cell aggregates arising from the unorganized growth of explants on an aseptic solid nutrient medium liquid medium solid or liquid medium solid nutrient medium TRUE ANSWER : ? YOUR ANSWER : ?
The isolation of the gonorrhoea - causing organisms, Neisseria gonorrhoeae,from a clinical specimen is facilitated by the use of media containing none of these certain antibiotics cellulose succinate TRUE ANSWER : ? YOUR ANSWER : ?
The archaebacterium Halobacterium, an extreme halophile, and Sulfolobus, a thermoacidophile, can be cultured in the presence of antibiotics such as streptomycin and chloramphenicol because All of these they contain ether-linked isoprenoids in their plasma membrane they contain 80S, as opposed to 70S, ribosomes they lack murein in their cell wall TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not an indirect method for the measurement of cell mass? Viscosity Heat evolution Nutrient composition Cell dry weight TRUE ANSWER : ? YOUR ANSWER : ?
Anchorage -dependent cells require nothing to do with the surface either (a) or (b) wettable surface for growth dry surface for growth TRUE ANSWER : ? YOUR ANSWER : ?
For most bacteria, the optimum pH for growth lies between 4.5-5.5 3.5-4.5 6.5-7.5 5.5-6.5 TRUE ANSWER : ? YOUR ANSWER : ?