TLS Online TPP Program

#Question id: 5239


Which of the following statements is not true for Hfr strains of E. coli ?

#Part-A Aptitude & General Biotechnology
  1. F factor is integrated in the genome

  2. all plasmid  markers are transferred from donor to recipient

  3. They act as donors in the cross              

  4. recipient remain 

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TLS Online TPP Program

#Question id: 532

#Part-B Specialized Branches in Biotechnology

In glycolysis, fructose 1,6-bisphosphate is converted to two products with a standard free-energy change (DG'°) of 23.8 kJ/mol.  Under what conditions (encountered in a normal cell) will the free-energy change (DG) be negative, enabling the reaction to proceed to the right?

TLS Online TPP Program

#Question id: 533

#Part-B Specialized Branches in Biotechnology

Glucose, labeled with 14C in different carbon atoms, is added to a crude extract of a tissue rich in the enzymes of the pentose phosphate pathway.  The most rapid production of 14CO2 will occur when the glucose is labeled in:

TLS Online TPP Program

#Question id: 544

#Part-A Aptitude & General Biotechnology

One of the enzymes involved in glycolysis, aldolase, requires Zn2+ for catalysis. Under conditions of zinc deficiency, when the enzyme may lack zinc, it would be referred to as the:

TLS Online TPP Program

#Question id: 544

#Part-B Specialized Branches in Biotechnology

One of the enzymes involved in glycolysis, aldolase, requires Zn2+ for catalysis. Under conditions of zinc deficiency, when the enzyme may lack zinc, it would be referred to as the:

TLS Online TPP Program

#Question id: 545

#Part-A Aptitude & General Biotechnology

Which one of the following is not among the six internationally accepted classes of enzymes?

TLS Online TPP Program

#Question id: 551

#Part-A Aptitude & General Biotechnology

Enzymes differ from other catalysts in that only enzymes: