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TLS Online TPP Program

#Question id: 75

The experimental approach taken in current biological investigations presumes that ________.

#SCPH06 I Botany

  1. Simple organic compounds can be synthesized in the laboratory from inorganic precursors, but complex organic compounds like carbohydrates and proteins can be synthesized only by living organisms

  2. A life force ultimately controls the activities of living organisms, and this life force cannot be studied by physical or chemical methods

  3. Living organisms are composed of the same elements present in nonliving things, plus a few special trace elements found only in living organisms or their products

  4. Living organisms can be understood in terms of the same physical and chemical laws that can be used to explain all natural phenomena

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TLS Online TPP Program

#Question id: 14742

#SCPH05 I Biotechnology

Gel chromatography is used for hormone separation. A pilot-plant scale gel chromatography column packed with sephacryl resin is used to separate two hormones, A and B. The column is 5 cm in diameter and 30 cm in height: V, = 1.9x 10-4m3, Wr = 3x10-3m3 /kg dry sephacryl, ps =1.25 x 103 kg/m3 . The partition coefficients are kpA =0.38 and kpB= 0.15. If the eluting flow rate is 0.7 I/h, what is the retention time for each hormone? 
TLS Online TPP Program

#Question id: 14743

#SCPH05 I Biotechnology

for the fermenter with the given data. 
Air is sparged with 0.4 vvm, it is equipped with two sets of impellers and a flat-blade turbine with four baffles. calculate power, P 
TLS Online TPP Program

#Question id: 14744

#SCPH05 I Biotechnology

For production of an enzyme used for synthesis of a sun protection lotion, the required kinetic data and constants are: 
vmax = 2.3 mmol.m-3 s-1 Km = 8.9 mmol.-1 So = 12 mmol1- 
Find the reaction time for 95% conversion of raw material 
TLS Online TPP Program

#Question id: 14745

#SCPH05 I Biotechnology

heat exchanger, one transfer unit means 
TLS Online TPP Program

#Question id: 14746

#SCPH05 I Biotechnology

During cultivation of microorganism in a fermenter, various parameters are controlled by appropriate mechanism, match the following 
TLS Online TPP Program

#Question id: 14747

#SCPH05 I Biotechnology

Mechanism of separation of contaminants present in air by fibrous media are.