The A260/A280 ratio of a double-stranded DNA sample can be used to assess its purity. The value for the pure DNA is ----------------

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#Question id: 15866

#SCPH05 I Biotechnology

Tissues and cells cultured in a liquid medium produce a single cells and cells clumps of few to many cells; these are called;

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#Question id: 15867

#SCPH05 I Biotechnology

Which of the following culture is used for the production of primary and secondary metabolites?

TLS Online TPP Program

#Question id: 15867

#SCPH05 I Biotechnology

Which of the following culture is used for the production of primary and secondary metabolites?

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#Question id: 15868

#SCPH05 I Biotechnology

If the culture is kept in stationary phase for a prolonged period, the cells may die. Why?

a) due to the time taken for doubling of cell number

b) duration of a cell generation is too large, depending mainly on the plant species.

c) stationary phase is forced on the culture by a depletion of the nutrients

d) due to an accumulation of cellular wastes

TLS Online TPP Program

#Question id: 15868

#SCPH05 I Biotechnology

If the culture is kept in stationary phase for a prolonged period, the cells may die. Why?

a) due to the time taken for doubling of cell number

b) duration of a cell generation is too large, depending mainly on the plant species.

c) stationary phase is forced on the culture by a depletion of the nutrients

d) due to an accumulation of cellular wastes

TLS Online TPP Program

#Question id: 15869

#SCPH05 I Biotechnology

In a modest laboratory, aseptic handling, maintenance and observation of cultures, these activities can be done in the culture room.  Some facilities are required for the culture room, except?