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TLS Online TPP Program

#Question id: 1247

Which of the following is NOT true about the role of adapter proteins in the activation of Ras by receptor tyrosine kinases?

#Unit 4. Cell Communication and Cell Signaling

  1. Following dimerization and autophosphorylation of receptor tyrosine kinases, GRB2 and Sos proteins couple to the receptor.

  2. GRB2 and Sos proteins couple the receptor to the inactive Ras·GDP complex.

  3. GRB2 interacts with Sos via its SH3 domain.

  4. Sos acts as a GAP, which helps convert Ras·GDP to active Ras·GTP.

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TLS Online TPP Program

#Question id: 19451

#Unit 13. Methods in Biology

We use different lenses in combinations. The total magnification is represented as
TLS Online TPP Program

#Question id: 824

#Unit 1. Molecules and their Interaction Relevant to Biology

why comparisons of the X-ray structures of hyperthermophilic enzymes with their mesophilic counterparts have failed to reveal any striking differences between them?
TLS Online TPP Program

#Question id: 2931

#Unit 2. Cellular Organization

Which of the following is a substrate of Cln3-Cdc28?
TLS Online TPP Program

#Question id: 19884

#Unit 13. Methods in Biology

The first successful transformation of rDNA molecules into a bacterium was carried out by
TLS Online TPP Program

#Question id: 26948

#Unit 10. Ecological Principles

Calculate the population doubling time, if given the intrinsic rate of increase is 1.2?