TLS Online TPP Program

#Question id: 34954


Identify the correct statements regarding suspension cultures ?  

#Section 6: Plant, Animal and Microbial Biotechnology
  1. perfusion cultures :- At regular intervals, a constant volume of spent medium, without cells, is withdrawn and an equal volume of fresh medium is added.
  2. semi-continuous batch cultures At regular intervals, a constant fraction of the culture, including cells, is withdrawn and an equal volume of fresh medium is added to the culture.
  3. continuous-flow cultures continuous withdrawal of culture along with cells and addition of half  volume of fresh medium so that the culture is maintained in a steady state of growth.
  4. fed-batch cultures (gradual addition of fresh medium leading to an increase in culture volume)