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TLS Online TPP Program

#Question id: 7271

In drosophila, Head formation required higher Bicoid concentrations than thorax formation, because

#Unit 5. Developmental Biology
  1. The promoters of such head specific genes would have high-affinity binding sites for Bicoid protein, causing them to be activated only at extremely high concentrations of Bicoid.
  2. The promoters of such head specific genes would have low-affinity binding sites for Bicoid protein, causing them to be activated only at extremely high concentrations of Bicoid.
  3. The promoters of such head specific genes would have high- affinity binding sites for bicoid protein, causing them to be activated only at extremely low concentratrations of bicoid.
  4. The promoters of such head specific genes would have low-affinity binding sites for Bicoid protein, causing them to be activated only at extremely low concentrations of Bicoid.
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TLS Online TPP Program

#Question id: 1268

#Unit 4. Cell Communication and Cell Signaling

The collagen triple-helix domain

a. is rich in glycine.                             b. is rich in proline.

c. is rich in hydroxyproline.                d. is an alpha helix.
TLS Online TPP Program

#Question id: 28737

#Unit 2. Cellular Organization

Match the following given Rab protein with its effector molecules ;
TLS Online TPP Program

#Question id: 145

#Unit 1. Molecules and their Interaction Relevant to Biology

The pKaʹs of isoleucineʹs α-Carboxyl group and α-Amino group are 2.3 and 9.8, respectively. Calculate the isoelectric point.
TLS Online TPP Program

#Question id: 2667

#Unit 1. Molecules and their Interaction Relevant to Biology

A regulatory protein that attracts RNA polymerase to its promoter is an example of what type of regulation?
TLS Online TPP Program

#Question id: 5084

#Unit 5. Developmental Biology

The first cavity formed during frog development is the ________.