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TLS Online TPP Program

#Question id: 561

Enzyme X exhibits maximum activity at pH = 6.9.  X shows a fairly sharp decrease in its activity when the pH goes much lower than 6.4.  One likely interpretation of this pH activity is that:

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. a Glu residue on the enzyme is involved in the reaction.

  2. a His residue on the enzyme is involved in the reaction.

  3. the enzyme has a metallic cofactor.

  4. the enzyme is found in gastric secretions

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TLS Online TPP Program

#Question id: 1096

#Unit 4. Cell Communication and Cell Signaling

Which of the following processes generally requires protein phosphorylation?
TLS Online TPP Program

#Question id: 23635

#General Aptitude

Three individuals X, Y, Z hired a car on a sharing basis and paid Rs. 1, 040. They used it for 7, 8, 11 hours, respectively. What are the charges paid by Y?
TLS Online TPP Program

#Question id: 19198

#Unit 12. Applied Biology

Sensitivity of calorimetric biosensor can be increased by
TLS Online TPP Program

#Question id: 24037

#General Aptitude

Orkut was a part of:
TLS Online TPP Program

#Question id: 1571

#Unit 4. Cell Communication and Cell Signaling

Double-stranded RNA (dsRNA) recognize by