The 5' methyl guanosine caps added during RNA chain elongation performs what function?

1. prevents degradation by nucleases 

2. are recognized by protein factors

3. are used to identify the type of RNA

TLS Online TPP Program

#Question id: 19994

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Quantification of reassociation/annealing of various part of DNA is called 

TLS Online TPP Program

#Question id: 20007

#Section 5: Bioprocess Engineering and Process Biotechnology

A fed-batch reactor initially contains 2 litre of medium. If it was fed at 1 litre per hour, then after 10 hours, the volume of the reactor will be

TLS Online TPP Program

#Question id: 20008

#Section 5: Bioprocess Engineering and Process Biotechnology

In a glucose-yeast extract medium, Lactococcus lactis has a maximum specific growth rate (um) of 1.23 h^-1. What would be the specific growth rate of this organism at steady state in a 4 litre reactor being fed at 2 litres per hour?

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#Question id: 20009

#Section 5: Bioprocess Engineering and Process Biotechnology

In a plug flow reactor, the highest concentration of substrates is exposed to the cells that

TLS Online TPP Program

#Question id: 20010

#Section 5: Bioprocess Engineering and Process Biotechnology

In an activated sludge process, the biomass is recycled to

TLS Online TPP Program

#Question id: 20011

#Section 5: Bioprocess Engineering and Process Biotechnology

A strain of Escherichia coli has a maximum specific growth rate of 0.8 h^-1 on a glucose based medium. If this organism is being grown in a chemostat with a dilution rate of 1.2 h^-1, then at steady state the concentration of E. coli in the same medium will