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TLS Online TPP Program

#Question id: 33154

Which of the following statement is not correct regarding positive feedback mechanism in the activation of M-Cdk?

#Unit 2. Cellular Organization
  1. Inactive M-Cdk complex is activated at the end of G2 by the phosphatase Cdc25.
  2. Cdc25 is further stimulated by active M-Cdk by phosphorylation.
  3. M-Cdk also activates the inhibitory kinase Wee1. 
  4. The phosphorylation of both Cdc25 and Wee1 is reversed by the phosphatase PP2A-B55.
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TLS Online TPP Program

#Question id: 28927

#Unit 4. Cell Communication and Cell Signaling

Cytosolic destruction complex of hedgehog signalling is bound to a microtubule by the__
TLS Online TPP Program

#Question id: 12551

#Unit 10. Ecological Principles

Which of the following examples would most accurately measure the density of the population being studied? 
TLS Online TPP Program

#Question id: 11222

#Unit 7. System Physiology – Animal

A chemical that affects neuronal function but is not stored in presynaptic vesicles is ________.
TLS Online TPP Program

#Question id: 27643

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is correct regarding the Type I β turn positions in Ramachandran plot
TLS Online TPP Program

#Question id: 5247

#Unit 8. Inheritance Biology

Which of the following is not a protein or group of proteins required for conjugation to occur?