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: 7701

#SCPH05 I Biotechnology

The various taxonomic levels (for example, phyla, genera, classes) of the hierarchical classification system differ from each other on the basis of ________

TLS Online TPP Program

#Question id: 7701

#SCPH06 I Botany

The various taxonomic levels (for example, phyla, genera, classes) of the hierarchical classification system differ from each other on the basis of ________

TLS Online TPP Program

#Question id: 7701

#SCPH28 | Zoology

The various taxonomic levels (for example, phyla, genera, classes) of the hierarchical classification system differ from each other on the basis of ________

TLS Online TPP Program

#Question id: 7702

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

If organisms A, B, and C belong to the same class but to different orders and if organisms C, D, and E belong to the same order but to different families, which of the following pairs of organisms would be expected to show the greatest degree of structural homology?

TLS Online TPP Program

#Question id: 7702

#SCPH05 I Biotechnology

If organisms A, B, and C belong to the same class but to different orders and if organisms C, D, and E belong to the same order but to different families, which of the following pairs of organisms would be expected to show the greatest degree of structural homology?

TLS Online TPP Program

#Question id: 7702

#SCPH06 I Botany

If organisms A, B, and C belong to the same class but to different orders and if organisms C, D, and E belong to the same order but to different families, which of the following pairs of organisms would be expected to show the greatest degree of structural homology?