Phenyl ammonia lyase (PAL) involved in biosynthesis of phenolic compound in plants. Following are some statements regarding the action of PAL;

a) PAL catalyze conversion of phenyl alanine to p-coumaric acid

b) PAL catalyzes the conversion of phenyl alanine into trans-Cinnamic acid by elimination of an ammonia molecule

c) The activity of PAL is increased by environmental factors, such as low nutrient levels, light, and fungal infection

d) PAL is situated at a branch point between primary and secondary metabolism, so the reaction that it catalyzes is an important regulatory step in the formation of many phenolic compounds

Which of the following combinations of above statement is true?

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?

TLS Online TPP Program

#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