TLS Online TPP Program

#Question id: 5049


The fundamental notion of a stem cell is that it can make more stem cells while also producing cells committed to undergoing differentiation. This process is called as-

#SCPH06 I Botany
  1. Symmetric cell division

  2. Stem cell renewal

  3. Asymmetric cell division

  4. Redifferentiation

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TLS Online TPP Program

#Question id: 14277

#SCPH05 I Biotechnology

Lactobacillus casei is propagated under essentially anaerobic conditions to provide a starter culture for manufacture of Swiss cheese. The culture produces lactic acid as a by-product of energy metabolism. The system has the following characteristics:

                                                                 

 

A stirred fermenter is operated in fed-batch mode at quasisteady state with a feed flow rate of 4 m3 h-1 and feed substrate concentration of 80 kg m-3. After 6 h, the liquid volume is 40 m3. What mass of cells is produced after 6 h fed-batch operation?

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TLS Online TPP Program

#Question id: 20983

#SCPH01 Biochemistry

Which is considered as less recalcitrant out of the BTEX compounds, and of lesser regulatory concern?
1. Xylene
2. Ethylbenzene
3. Toluene
4. Benzene
Which of the below combinations are correct?

TLS Online TPP Program

#Question id: 2122

#SCPH28 | Zoology

The inner (plasma) membrane of E. coli is about 75% lipid and 25% protein by weight.  How many molecules of membrane lipid are there for each molecule of protein?  (Assume that the average protein is Mr 50,000 and the average lipid is 750.)

TLS Online TPP Program

#Question id: 15585

#SCPH05 I Biotechnology

A stirrer has a power number (Np) 10. If the stirrer speed (N) is 1 s-1 , its diameter D= 1 m and the density of the medium is 1000 kg/m3, the ungassed power input (P) in watts is

TLS Online TPP Program

#Question id: 2285

#I Life Science/ Life Sciences Group – I-V

Assuming all other factors to be the same, electron microscopes have greater resolving power than light microscopes because.