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TLS Online TPP Program

#Question id: 7290

Following figure regarding to regulatory network in the Arabidopsis shoot meristem stem-cell niche.

A. The transcription factor WUS is synthesized in the cell A and moves via plasmodesmata into cell B, where one of its functions is to induce expression of the CLV3.

B. The transcription factor CLV3 is synthesized in the cell A and moves via plasmodesmata into cell B, where one of its functions is to induce expression of the WUS.

C. Secreted CLV3 protein from cell B binds to the receptor protein kinase on the surface of cell A; there, it activates a signal that represses WUS transcription.

D. Secreted WUS protein from cell B binds to the receptor protein kinase on the surface of cell A; there, it activates a signal that represses CLV3 transcription.

Which of the following combination is correct?

#Unit 5. Developmental Biology
  1. A and C
  2.  B and D
  3. A and D
  4. B and C
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TLS Online TPP Program

#Question id: 7222

#Unit 5. Developmental Biology

During development of sea urchin, The fates of the different cell layers are determined by which process?
TLS Online TPP Program

#Question id: 1462

#Unit 4. Cell Communication and Cell Signaling

In a healthy eukaryotic cell, the rate of DNA repair is typically equal to the rate of DNA mutation. When the rate of repair lags behind the rate of mutation, what is a possible fate of the cell?
TLS Online TPP Program

#Question id: 4234

#Unit 3. Fundamental Processes

Accuracy in the translation of mRNA into the primary structure of a polypeptide depends on specificity in the __.
TLS Online TPP Program

#Question id: 28704

#Unit 2. Cellular Organization

What is the function of Glycosidase in biosynthesis of all N-linked oligosaccharides in the ER?
TLS Online TPP Program

#Question id: 2662

#Unit 2. Cellular Organization

In the tryptophan operon, tryptophan serves as ________________.