Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 26177
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

More Questions
TLS Online TPP Program

#Question id: 23395

#General Aptitude

. ....., siy, oeu, kaq, gwm, csi
TLS Online TPP Program

#Question id: 10513

#Unit 6. System Physiology – Plant

Which of the following major cyanogenic glycosides are derived from the Cassava?
TLS Online TPP Program

#Question id: 12677

#Unit 10. Ecological Principles

Aquatic ecosystems that are most readily damaged by acid are those that lack an important buffer that dissolves into the runoff after a precipitation event. What is this buffer?
TLS Online TPP Program

#Question id: 16785

#Unit 13. Methods in Biology

Median of 25, 72, 28165,29, 60, 30, 54132, 53, 33, 52, 35,51, 42, 48145, 47, 46, 33 is 
TLS Online TPP Program

#Question id: 23331

#General Aptitude

Generally variable are of