The pace at which light passes through objects in phase contrast microscopy is-

TLS Online TPP Program

#Question id: 19885

#Part-A Aptitude & General Biotechnology

The plasmid used by Cohen and Boyer fr their transformation experiment was

TLS Online TPP Program

#Question id: 19886

#Part-A Aptitude & General Biotechnology

Gene cloning refers to the

I) Production of large number of copies of the gene being cloned

II) Production of asexual progeny from a single individual or a cell 

III) Mechanism of intake of DNA fragments from the surrounding medium by a cell

TLS Online TPP Program

#Question id: 19887

#Part-A Aptitude & General Biotechnology

Paul Berg’s gene splicing experiment created the first rDNA molecules which was a

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#Question id: 19888

#Part-A Aptitude & General Biotechnology

There are some typical enzyme used in the manipulation of nucleic acid;

ENZYMES	USE IN NUCLEIC ACID MANIPULATION
A) klenow	i) DNA-dependent RNA polymerase
B) T4 DNA polymerase	ii) Single-strand specific nuclease
C) Taq DNA polymerase	iii) DNA pol I lacks 5’→ 3’ exonuclease activity
D) T7 RNA polymerase	iv) Thermostable DNA polymerase used in PCR
E) S1 nuclease	v) Lack  5’→ 3’ exonuclease activity

TLS Online TPP Program

#Question id: 19929

#Part-B Specialized Branches in Biotechnology

he growth of an organism on glucose is described by the following Monod model parameters: μm = 0.5 h^-1 and Ks =0.1 g.l^-1, if the concentration of glucose in the feed is 10 g.l^-1 and the dilution rate is set to 0.4 h^-1, then the steady state concentration of glucose in the effluent will be

TLS Online TPP Program

#Question id: 19954

#Part-B Specialized Branches in Biotechnology

A continuous reactor at steady state contains 0.04 g.l^-1 of biomass and 0.02 g.l^-1 of phenol. The feed contained 0.1 g.l^-1 of phenol. The biomass yield would be