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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: 4102

#Unit 3. Fundamental Processes

Given the following monoploid operons, which would not synthesize lactose permease under any circumstance?
TLS Online TPP Program

#Question id: 14775

#Unit 13. Methods in Biology

A bag contains 3 black and 5 white balls. One ball is drawn from the bag. What is the probability that the ball is not black ?
TLS Online TPP Program

#Question id: 11442

#Unit 10. Ecological Principles

Forests dominated primarily by evergreen trees with abundant lianas and epiphytes are found in which of the following biomes?
TLS Online TPP Program

#Question id: 23843

#Unit 2. Cellular Organization

Thick-filament regulation is,
TLS Online TPP Program

#Question id: 9258

#Unit 9. Diversity of Life Forms

Which of the following is characteristic of most terrestrial biomes?