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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:

#SCPH28 | Zoology

  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: 8861

#SCPH06 I Botany

Which of the following is true of members of the phylum Cnidaria?
TLS Online TPP Program

#Question id: 3898

#SCPH28 | Zoology

Which one of the following classes is expressed in the unfertilized egg and is involved in directing the spatial organization of the Drosophila embryo early in development?
TLS Online TPP Program

#Question id: 753

#SCPH05 I Biotechnology

The renaturation of regions of complementarity between different nucleic acid strands is known as___________
TLS Online TPP Program

#Question id: 18378

#SCPH28 | Zoology

Biostimulation is a process which involves the modification of the environment to
TLS Online TPP Program

#Question id: 8914

#I Life Science/ Life Sciences Group – I-V

Which of the following is (are) unique to animals?