TLS Online TPP Program

#Question id: 18729


Which of the following is not a function of DNA topoisomerase?

#Part-A Aptitude & General Biotechnology
  1. Removing turns of the double helix DNA
  2. Adding turns to the double helix DNA
  3. Have nuclease and ligase activity
  4. Have polymerase activity
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TLS Online TPP Program

#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

TLS Online TPP Program

#Question id: 19955

#Part-B Specialized Branches in Biotechnology

A culture system with constant environmental conditions maintained through continual provision of nutrient and removal of wastes is called __________ culture system.

TLS Online TPP Program

#Question id: 19955

#Part-A Aptitude & General Biotechnology

A culture system with constant environmental conditions maintained through continual provision of nutrient and removal of wastes is called __________ culture system.

TLS Online TPP Program

#Question id: 20043

#Part-B Specialized Branches in Biotechnology

The exponential phase may be described by the equation _______