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TLS Online TPP Program

#Question id: 33231

Which character makes concerted acid–base catalysis a common enzymatic mechanism?

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. The side chains of the amino acid residues Asp, Glu, His, Cys, Tyr, and Lys have pK’s in or near the physiological pH range.
  2. Only His have pK’s in or near the physiological pH range.
  3. Only Cys & His have pK’s in or near the physiological pH range
  4. Only Tyr, Cys & His have pK’s in or near the physiological pH range
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TLS Online TPP Program

#Question id: 258

#Unit 1. Molecules and their Interaction Relevant to Biology

 It is easier to melt DNA richer in AT than GC because
TLS Online TPP Program

#Question id: 15444

#Unit 4. Cell Communication and Cell Signaling

Which is the Inhibitor of apoptosis proteins (IAPs) because of inhibition of XIAP it not able to bind with caspases, and retain in the cytosol;
TLS Online TPP Program

#Question id: 11893

#General Aptitude

Let x be the smallest number, which when added to 2000 makes the resulting number divisible by 12, 16, 18 and 21. The sum of the digits of x is
TLS Online TPP Program

#Question id: 12094

#Unit 10. Ecological Principles

Which of the following plant groups is now extinct?
TLS Online TPP Program

#Question id: 8849

#Unit 9. Diversity of Life Forms

Humans can digest starch but not cellulose because