TLS Online TPP Program

#Question id: 659


What does it mean to say a protein is oligomeric?

#Part-A Aptitude & General Biotechnology
  1. In vivo it establishes an equilibrium between two or more active conformations.

  2. It has more than fifty amino acids.

  3. The active protein involves the association of two or more polypeptide chains.

  4. The protein has multiple α-helices.

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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: