TLS Online TPP Program

#Question id: 11296


Which of the following statements is true?

#Unit 10. Ecological Principles
  1. Oligotrophic lakes contain more nutrients than eutrophic lakes.
  2. Xerarch succession is primary succession that occurs in salt-water environments.
  3. Most ecologists believe that most communities achieve a stable, unchanging climax vegetation.
  4. A mature ecosystem has greater species richness, greater biomass, and less net productivity than a younger stage of succession.
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TLS Online TPP Program

#Question id: 855

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following interactions make a large contribution to the stability of protein structures

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.