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TLS Online TPP Program

#Question id: 1496

Cancers that arise due to mutated tumor suppressor genes require that

#Unit 4. Cell Communication and Cell Signaling

  1. one allele of the gene undergoes mutation.

  2. both alleles of the gene undergo mutations.

  3. neither allele of the gene undergoes mutation.

  4. none of the above

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TLS Online TPP Program

#Question id: 1216

#Unit 4. Cell Communication and Cell Signaling

In yeast signal transduction, a yeast cell releases a mating factor, which:
TLS Online TPP Program

#Question id: 4307

#Unit 3. Fundamental Processes

When taken up by a cell, which of the following molecules binds to a repressor so that the repressor no longer binds to the operator?
TLS Online TPP Program

#Question id: 31066

#Unit 2. Cellular Organization

G1 CDKs activate members of a small family of related transcription factors, referred to collectively as: 
TLS Online TPP Program

#Question id: 7304

#Unit 5. Developmental Biology

Which one of the following will be observed when auxin to cytokinin ratio is increased in the culture medium during organogenesis from tobacco pith callus?
TLS Online TPP Program

#Question id: 1367

#Unit 4. Cell Communication and Cell Signaling

Match the following junctions (column A) with their intracellular adaptors (column B).

Column A

Column B

A. Adherens junctions

I. Plectin, dystonin

B. Desmosomes

II. ZO-1,2,3

C. Hemidesmosomes

III. Catenins, vinculin

D. Gap junctions

IV. Plakoglobin, plakophilins