TLS Online TPP Program

#Question id: 31224


In the worm apoptotic pathway, CED-3 is similar to: 

#Unit 4. Cell Communication and Cell Signaling
  1. Apaf-1 in mammals
  2. caspase-9 in mammals
  3. Bcl-2 in mammals
  4. Bid/Bim in mammals
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TLS Online TPP Program

#Question id: 856

#Unit 1. Molecules and their Interaction Relevant to Biology

Protein folding is not a completely random, trial-and-error process, This problem was first pointed out by

TLS Online TPP Program

#Question id: 857

#Unit 1. Molecules and their Interaction Relevant to Biology

The aggregation of nonpolar side chains in the interior of a protein is favored by

TLS Online TPP Program

#Question id: 858

#Unit 1. Molecules and their Interaction Relevant to Biology

Unfolded protein response (UPR)

TLS Online TPP Program

#Question id: 859

#Unit 1. Molecules and their Interaction Relevant to Biology

Which one statement is incorrect about ATG genes;

TLS Online TPP Program

#Question id: 860

#Unit 1. Molecules and their Interaction Relevant to Biology

Select true ‘T’ AND false ‘F’ about ubiquitinylation

I. These ubiquitin-like modifiers control processes as diverse as nuclear import,

II. Regulated by the ubiquitin-like modifier Sumo, and autophagy,

III. Regulated by the ubiquitin-like modifier Atg8.

IV. For a protein to be efficiently degraded, it must be linked to a chain of at least four tandemly linked ubiquitin molecules in which Lys 34 of each ubiquitin forms an isopeptide bond with the C-terminal carboxyl group of the following ubiquitin.

TLS Online TPP Program

#Question id: 861

#Unit 1. Molecules and their Interaction Relevant to Biology

Alexander Varshavsky discovered, the half-lives of many cytoplasmic proteins vary with the identities of their N-terminal residues via the so-called N-end rule:-

A. Destabilizing N-terminal residues Asp, Arg, Leu, Lys, and Phe have half-lives of

i. Only 2 to 3 minutes,

B. Stabilizing N-terminal residues Ala, Gly, Met, Ser, Thr, and Val have half-lives of

ii. >10 hours in prokaryotes

iii. >20 hours in eukaryotes.