Range of osmolarity tolerated/accepted in mOsm/Kg of H2O by mammalian cells is 360-400 280-360 300-325 150-300 TRUE ANSWER : ? YOUR ANSWER : ?
Cells which have undergone transformation frequently become stable unstable anchorage dependent anchorage independent TRUE ANSWER : ? YOUR ANSWER : ?
To prevent the accumulation of lactate high glucose concentration is required low glutamine concentration is required high glutamine concentration is required low glucose concentration is required TRUE ANSWER : ? YOUR ANSWER : ?
Higher dissolved oxygen concentration in the culture media are toxic and lead to lipid peroxidation metabolism of nutrients in culture media at a rate greater than that required for consumption All of these DNA degradation TRUE ANSWER : ? YOUR ANSWER : ?
Excess CO2 suppress cell growth and productivity by altering pH of the medium both (a) and (b) altering intracellular pH by diffusing across cell membrane inhibiting respiration TRUE ANSWER : ? YOUR ANSWER : ?
The major problem associated with the isolation of free cells and cell aggregates from organs is that of releasing the cells from their supporting matrix None of these inhibiting the cells from their supporting matrix disintegrating the cells from their supporting matrix TRUE ANSWER : ? YOUR ANSWER : ?
Toxicity due to accumulation of ammonia can be overcome by substituting glutamine by glutamate All of these by removal of ammonia or ammonium from culture medium by controlled addition of glutamine at low level TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not the explantation technique? Roller test tube culture Adherent primary culture Slide culture Carrel flask culture TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following abnormality, resulted from the inheritance of an unbalanced complement of chromosomes can be diagnosed through karotyping? Klinefelter's syndrome Down's syndrome Turner's syndrome all of these TRUE ANSWER : ? YOUR ANSWER : ?
pH of culture medium is initially controlled by presence of CO2 none of these presence of bicarbonate buffer addition of bases TRUE ANSWER : ? YOUR ANSWER : ?