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TLS Online TPP Program

#Question id: 8908


According to one hypothesis, the jaws of vertebrates were derived by the modification of

#Unit 9. Diversity of Life Forms
  1. scales of the lower lip.
  2. skeletal rods that had supported pharyngeal (gill) slits.
  3. one or more gill slits.
  4. one or more of the bones of the cranium.

Answer:- Option(s): 2


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TLS Online TPP Program

#Question id: 1728

#Unit 4. Cell Communication and Cell Signaling

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#Question id: 1729

#Unit 4. Cell Communication and Cell Signaling

When a resting naive T-cell engages its specific MHC–peptide complex displayed on the surface of a fibroblast, it:

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#Question id: 1730

#Unit 4. Cell Communication and Cell Signaling

What is the T-cell ligand binding B7 on a professional antigen-presenting cell?

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#Question id: 1731

#Unit 4. Cell Communication and Cell Signaling

Which of the following statements is TRUE of Sos (Son of sevenless)?

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#Question id: 1732

#Unit 4. Cell Communication and Cell Signaling

Protein tyrosine kinase activity following T-cell stimulation:

TLS Online TPP Program

#Question id: 1733

#Unit 4. Cell Communication and Cell Signaling

The early increase in phospholipase Cγ1 activity following T-cell stimulation:

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