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TLS Online TPP Program

#Question id: 1427

 In females, all the cells in a tumor have the same inactive X chromosome. The reason for this is that:

#SCPH06 I Botany

  1. all of the cells in a tumor are derived from a single progenitor cell.

  2. all late-stage tumors have chromosome abnormalities.

  3. multiple mutations are required for tumor induction.

  4. many tumor-suppressor genes are on the X chromosome.

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TLS Online TPP Program

#Question id: 10248

#SCPH06 I Botany

Factors involved in an animal’s foraging "strategy" are
TLS Online TPP Program

#Question id: 4576

#SCPH06 I Botany

Which of the following pairs of structures is least likely to represent homology?
TLS Online TPP Program

#Question id: 2287

#SCPH05 I Biotechnology

Which characteristic do eukaryotic and prokaryotic flagella have in common?
TLS Online TPP Program

#Question id: 847

#SCPH06 I Botany

A proposed pathway for the action of E.coli chaperonins  are groEL and groES.groEL exist in trans and cis structure transferring with its bound ATP now become the cis ring once the groES  bound to it ATP hydrolysis takes place and improperly folded protein get properly folded, total number of  ATP molecules are required to per folding cycle;
TLS Online TPP Program

#Question id: 637

#SCPH05 I Biotechnology

Effect of temperature on enzymatic catalysis is analysed by the rate v of a chemical reaction varies with temperature according to the Arrhenius Equation which explains the sensitivity of enzyme reactions to temperature. A plot to determination of the activation energy Ea involves