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TLS Online TPP Program

#Question id: 191

The role of zinc in the mechanisms of carbonic anhydrase is to

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. maintain the configuration of the holoenzyme.

  2. bind to three histidine residues.

  3. produce a nucleophilic attack on the substrate.

  4. promote ionization of bound water.

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TLS Online TPP Program

#Question id: 7079

#Unit 5. Developmental Biology

In xenopus, In what conditions b-catenin on target gene expression without wnt protein?
TLS Online TPP Program

#Question id: 12150

#Unit 10. Ecological Principles

You are studying population dynamics in three species of small aquatic invertebrates called water fleas. Among these species, which is most likely to exhibit regular population cycles? 
TLS Online TPP Program

#Question id: 29060

#Unit 10. Ecological Principles

Find out the correct explanation of adaptation for osmoregulation in freshwater fish?
TLS Online TPP Program

#Question id: 4017

#Unit 3. Fundamental Processes

Which of the following sequences of events occurs when E. coli are released from catabolite repression by transfer to low-glucose medium?
TLS Online TPP Program

#Question id: 118

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following best describes the cholesterol molecule?