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TLS Online TPP Program

#Question id: 33152

Which of the following process prevents the opening of the cohesion ring, thereby locking the cohesin ring around the sister chromatids?

#Unit 2. Cellular Organization
  1. Proteolytic cleavage of sites in the disordered region of scc1
  2. Phosphorylation of cohesins by plk1 and aurora B kinase
  3. Acetylation of the ATPase domain of smc3
  4. Shugoshin proteins begin recruiting the protein phosphatase 2A (PP2A) to centromeric regions
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TLS Online TPP Program

#Question id: 18949

#Unit 13. Methods in Biology

Rocket immunoelectrophoresis uses an agarose gel that contains uniform and definite concentration of th,e antibody. The buffer is so chosen that the antibody molecules have zero net charge. As the protein molecules migrate through the gel, they interact with the antibody molecules and 'rocket' -shaped regions containing immunoprecipitate are formed; which of the following is trure about Rocket immunoelectrophoresis
TLS Online TPP Program

#Question id: 31178

#Unit 4. Cell Communication and Cell Signaling

Wnt is a combination of which of the following proteins?
TLS Online TPP Program

#Question id: 3216

#Unit 11. Evolution and Behavior

The frequency of galactosemia is approximately 1 in 40,000 live births. The frequency of the carrier state can be calculated as
TLS Online TPP Program

#Question id: 3553

#Unit 8. Inheritance Biology

Diploid cell genotype AaBb undergoes meiosis that generates new combinations of alleles by which mechanism when gene A and B located on the same chromosome?  
TLS Online TPP Program

#Question id: 4032

#Unit 3. Fundamental Processes

 Dimethyl sulfate is used to ___