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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: 21275

#Unit 12. Applied Biology

In which one of the following transducers the additional energy source is not required?
1. Active transducer
2.  Passive transducer
3. Transducive
Which of the following is correct?
TLS Online TPP Program

#Question id: 13023

#Unit 13. Methods in Biology

Which of the following enzymes are required for end labelling?
TLS Online TPP Program

#Question id: 24576

#Unit 10. Ecological Principles

The birth of 100 cockroaches to a population of 1,000 would represent a birth rate. Similarly, the death of 50 cockroaches in a population of 1,000 would be a death rate, d, per individual per week. Calculate the rate of change in a population per unit time ?
TLS Online TPP Program

#Question id: 2601

#Unit 2. Cellular Organization

Condition of basal level transcription (BLT);
TLS Online TPP Program

#Question id: 4516

#Unit 3. Fundamental Processes

High mobility group (HMG) proteins

A. are a common type of architectural regulator

B. facilitating the looping of the DNA

C. the binding is relatively very specific

D. are abundant in chromatin and bind to DNA with limited specificity.