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TLS Online TPP Program

#Question id: 1393

In research on aging (both cellular aging and organismal aging), it has been found that aged cells do not progress through the cell cycle as they had previously. Which of the following, if found in cells or organisms as they age, would provide evidence that this is related to cell signalling?

#4. Cell Communication and Cell Signaling

  1. Growth factor ligands do not bind as efficiently to receptors.

  2. Hormone concentrations decrease.

  3. cAMP levels change very frequently.

  4. Enzymatic activity declines.

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TLS Online TPP Program

#Question id: 23535

#Aptitude

The most controversial amendment passed during the emergency was?
TLS Online TPP Program

#Question id: 19351

#12. Applied Biology

Different organisms may preferentially use different codons to encode the same amino acid in the cases of such amino acids that are encoded by more than one codon this is called
TLS Online TPP Program

#Question id: 683

#1. Molecules and their Interaction Relevant to Biology

Which factor does not help to explain why many proteins exhibit quaternary structure?
TLS Online TPP Program

#Question id: 5426

#8. Inheritance Biology

Which of the following is incorrect regard polygenic inheritance?
TLS Online TPP Program

#Question id: 23291

#Aptitude

Suppose your principal is penalizing you deliberately. You do your best efforts to make him happy. But he deals with you as his enemy. What would you do under this situation?