TLS Online TPP Program

#Question id: 4208


Tryptophan synthesis is controlled by a repressor protein which is activated by a corepressor which is

#Unit 3. Fundamental Processes
  1. leader peptide. 

  2. promoter locus.

  3. operator locus. 

  4. tryptophan.

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TLS Online TPP Program

#Question id: 4551

#Unit 3. Fundamental Processes

Various types of σ factor in column I, that are involved in several other function given in column II

 I

II

I) σ70

a) Induced by unfolded proteins in the cytoplasm contain chaperones activity which refold unfolded proteins               

II) σs

b) Genes involved in flagellum assembly             

III) σ32

c) Genes for nitrogen metabolism and other functions

IV) σE

d) Housekeeping genes, most genes in exponentially replicating cells

V) σF

e) Activated by unfolded proteins in the periplasmic space and cell membrane; genes encoding proteins that restore integrity to the cellular envelope

VI) σ54

f) Stationary-phase genes and general stress response

 Which of the following combination is correct?

TLS Online TPP Program

#Question id: 2989

#Unit 2. Cellular Organization

Use the figure to answer the question below.

In the figure, G1 is represented by which numbered part(s) of the cycle?

TLS Online TPP Program

#Question id: 2051

#Unit 4. Cell Communication and Cell Signaling

In a thymectomized animal, which of the following is irradiated and reconstituted with bone marrow cells?

TLS Online TPP Program

#Question id: 28903

#Unit 4. Cell Communication and Cell Signaling

Which of the following graph correct predict about the notum activity?


TLS Online TPP Program

#Question id: 15189

#Unit 4. Cell Communication and Cell Signaling

Which of the following  cells control the differentiation of HSCs (hematopoietic stem cells )?