TLS Online TPP Program

#Question id: 438


A reaction that best serves as a control point for regulation ________.

#Part-A Aptitude & General Biotechnology
  1. is a near equilibrium reaction

  2. has a large positive △G

  3. is metabolically irreversible 

  4. follows Michaelis-Menten kinetics

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TLS Online TPP Program

#Question id: 782

#Part-B Specialized Branches in Biotechnology

Which of the following experimental requirements makes an siRNA approach unsuitable for determining the consequence of silencing a gene of interest in an established cell line?

TLS Online TPP Program

#Question id: 891

#Part-B Specialized Branches in Biotechnology

The folding pathways of some proteins require two enzymes that catalyze isomerization reactions such as,

a) Peptide prolyl isomerase (PPI)  catalyzes the elimination of folding intermediates with inappropriate disulfide cross-links

b) Protein disulfide isomerase (PDI) enzyme that catalyzes the interchange, or shuffling, of disulfide bonds until the bonds of the native conformation are formed

c) Peptide prolyl cis-trans isomerase (PPI) catalyzes the interconversion of the cis and trans isomers of Proline residue peptide bonds

d) Peptide prolyl isomerase (PPI) can be a fast step in the folding of proteins that contain some Pro peptide bonds in the cis conformation

Which of the following combinations is correct about protein folding pathways?

TLS Online TPP Program

#Question id: 11296

#Part-B Specialized Branches in Biotechnology

Which of the following statements is true?

TLS Online TPP Program

#Question id: 18910

#Part-A Aptitude & General Biotechnology

is a lactose analog which is broken down by enzyme beta-galactosidase to give a product deep blue in colour.

TLS Online TPP Program

#Question id: 11445

#Part-B Specialized Branches in Biotechnology

When the mammalian brain compares the actual temperature of the body to the preferred temperature of the body, which general component is being used?