The enzyme complex or gene that maintains telomere integrity is________, which acts as an antisenescence complex. Mice and humans with its deficiencies age prematurely (Mitchell et al. 1999). Overexpressing or reactivating it in senescent cells extends longevity in mice without increasing cancer,

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#Question id: 12789

#Unit 10. Ecological Principles

Which of the following terms encompasses all of the others?

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#Question id: 23360

#General Aptitude

Anderson quoted

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#Question id: 4680

#Unit 3. Fundamental Processes

A protein is a transcriptional activator,  which binds to a site upstream of a promoter called PRE and stimulates transcription of the cI (repressor) gene. This activator protein is

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#Question id: 1395

#Unit 4. Cell Communication and Cell Signaling

Which of the following mutations would promote malignancy in cells whose proliferation is inhibited by TGFβ?

a. overexpression of Smad2               

b. loss of Smad 4

c. overexpression of TGFβ receptor I

d. loss of TGFβ receptor II

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#Question id: 11024

#Unit 7. System Physiology – Animal

A 55-year-old man has been diagnosed with Stokes-Adams syndrome. Two minutes after the syndrome starts to cause active blockade of the cardiac impulse, which of the following is the pacemaker of the heart?