TLS Online TPP Program

#Question id: 10663


Following is a hypothetical life table of species


Following some statement is given

A- This type of life table is characteristic of species that produce a large number of offspring

B- Its greatest mortality early in life, with relatively low rates of death for those surviving this bottleneck

C. It is characterized by high age-specific survival probability in early and middle life, followed by a rapid decline in survival in later life

D. This includes k selected species

Which of the following above statement is correct?

#Unit 10. Ecological Principles
  1. A, B
  2. A, C 
  3. C, D  
  4. A only 
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#Question id: 856

#Unit 1. Molecules and their Interaction Relevant to Biology

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#Question id: 857

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

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#Unit 1. Molecules and their Interaction Relevant to Biology

Unfolded protein response (UPR)

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#Question id: 859

#Unit 1. Molecules and their Interaction Relevant to Biology

Which one statement is incorrect about ATG genes;

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#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.