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TLS Online TPP Program

#Question id: 1216

In yeast signal transduction, a yeast cell releases a mating factor, which:

#Unit 4. Cell Communication and Cell Signaling

  1. acts back on the same cell that secreted the mating factor, changing its development

  2. passes through the membranes of neighboring cells, binds to DNA, and initiates transcription

  3. binds to receptors on the membranes of other types of yeast cells

  4. diffuses through the membranes of distant cells, causing them to produce factors that initiate long-distance migrations

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TLS Online TPP Program

#Question id: 22955

#Unit 5. Developmental Biology

Based On ABC model during flower development, loss of class A activity results the formation of only stamen and carpel. Which of the flowering floral organs identity genes controls the class  A activity ?
TLS Online TPP Program

#Question id: 15286

#Unit 5. Developmental Biology

In the case of the French flag model. we assume a source of morphogen at one end and a sink at the other and that the concentrations of morphogen at both ends are kept constant but are different from each other. If the cells can respond to threshold concentrations of the morphogen, Thresholds can represent the
TLS Online TPP Program

#Question id: 28336

#Unit 5. Developmental Biology

Which of the following gene has the ability to divide the embryo into 14-segment-wide units, establishing the periodicity of the embryo?
TLS Online TPP Program

#Question id: 11116

#Unit 7. System Physiology – Animal

Which one of the following structures is NOT part of the respiratory zone:
TLS Online TPP Program

#Question id: 4328

#Unit 3. Fundamental Processes

Which of the following statements about the DNA in one of your brain cells is true?