TLS Online TPP Program

#Question id: 28918


Which of the following statements is correct about Sonic hedgehog?

#Unit 4. Cell Communication and Cell Signaling
  1. It is assuring that motor neurons come from the Anterior portion of the neural tube & essential for normal patterning of the limb

  2. It is assuring that motor neurons come from the posterior portion of the neural tube & essential for normal patterning of the limb

  3. It is assuring that motor neurons come from the dorsal portion of the neural tube & essential for normal patterning of the limb

  4. It is assuring that motor neurons come only from the ventral portion of the neural tube & essential for normal patterning of the limb
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TLS Online TPP Program

#Question id: 28237

#Unit 5. Developmental Biology

One of the regulation of extracellular mechanism is chemical regulation of stem cells takes the form of secreted proteins from surrounding cells that influence stem cell through signals, these Chemical signals maintain the stem cell in which state?

TLS Online TPP Program

#Question id: 28238

#Unit 5. Developmental Biology

 At what state stem cell exist, when stem cells become positioned farther from the niche? 

TLS Online TPP Program

#Question id: 28239

#Unit 5. Developmental Biology

 In principles of stem cell regulation involve Extracellular mechanisms leading to intracellular changes, for these changes various intracellular regulatory mechanisms include, except? 

TLS Online TPP Program

#Question id: 28240

#Unit 5. Developmental Biology

partitioning occurs at cytokinesis, factors determining cell fate are either selectively partitioned to one daughter cell or shared evenly between daughter cells, so these type of regulation called___

TLS Online TPP Program

#Question id: 28241

#Unit 5. Developmental Biology

regulation occurs through a factors that keep a stem cell in its quiescent or proliferative state, as well as promoting maturation of daughter cells toward a particular fate, these type of regulation is called as___

TLS Online TPP Program

#Question id: 28242

#Unit 5. Developmental Biology

 which types of Intracellular regulatory mechanisms that involve to regulate stem cell behavior occurs at the level of chromatin?