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TLS Online TPP Program

#Question id: 1084

Which observation suggested to Sutherland the involvement of a second messenger in epinephrine's effect on liver cells?

#Unit 4. Cell Communication and Cell Signaling

  1. Receptor studies indicated that epinephrine was a ligand.

  2. Glycogen breakdown was observed only when epinephrine was administered to intact cells.

  3. Glycogen breakdown was observed when epinephrine and glycogen phosphorylase were combined in a cell-free system.

  4. Epinephrine was known to have different effects on many types of cells.

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TLS Online TPP Program

#Question id: 28648

#Unit 2. Cellular Organization

Which of the following are the MCM helicase loading factors?
TLS Online TPP Program

#Question id: 28649

#Unit 2. Cellular Organization

Geminin a small protein, what is the contribution of geminin in cell cycle?
TLS Online TPP Program

#Question id: 28650

#Unit 2. Cellular Organization

Geminin is expressed in which of the following phase of cell cycle? 
TLS Online TPP Program

#Question id: 28651

#Unit 2. Cellular Organization

 A protein Geminin is binds to some type of factor in late G1 and inhibit it, which specifically involve to loading of the MCM helicase?
TLS Online TPP Program

#Question id: 28652

#Unit 2. Cellular Organization

Which of the ubiquitinylated ligase protein complexes recognized the N-terminus of a geminin protein destruction box that leads to degradation by proteosome in late anaphase? 
TLS Online TPP Program

#Question id: 28653

#Unit 2. Cellular Organization

Which of the ubiquitin-protein ligases to allow loading of replicative helicases on DNA replication origin by degradation of geminin in metazoans?