Practice Questions

TLS Online TPP Program

#Question id: 31193

Mutations in β-catenin phosphorylation sites for the destruction complex kinases GSK3 or CK1 leads to following events, except?

#Unit 4. Cell Communication and Cell Signaling

Reduce the formation of the destruction complex
Reduce the phosphorylations on β-catenin
Reduce degradation of β-catenin and allow free β-catenin to activate gene expression even in the absence of the normal Wnt signal
Reduce degradation of β-catenin but not allowed β-catenin to activate gene expression even in the absence of the normal Wnt signal

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TLS Online TPP Program

#Question id: 27385

#Unit 1. Molecules and their Interaction Relevant to Biology

Ranks the following in increasing atomic radius S, Mg, Al

TLS Online TPP Program

#Question id: 17813

#Unit 7. System Physiology – Animal

During the stress response, cortisol triggers the release of ______.

TLS Online TPP Program

#Question id: 12318

#Unit 10. Ecological Principles

The evolution of mating systems is most likely affected by

TLS Online TPP Program

#Question id: 923

#Unit 1. Molecules and their Interaction Relevant to Biology

The conversion of palmitoyl-CoA (16:0) to myristoyl-CoA (14:0) and 1 mol of acetyl-CoA by the B-oxidation pathway results in the net formation of:

TLS Online TPP Program

#Question id: 3868

#Unit 3. Fundamental Processes

The sigma factor of E. coli RNA polymerase: