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TLS Online TPP Program

#Question id: 1591

Which of the following is not true about helper T cells?

#XL - S Microbiology

  1. They function in cell-mediated and humoral responses.

  2. They recognize polysaccharide fragments presented by class II MHC molecules.

  3. They bear surface CD4 molecules.

  4. They are subject to infection by HIV.

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TLS Online TPP Program

#Question id: 1728

#XL - Q Biochemistry

Which of the following is characteristic of B- but not T-cells?
TLS Online TPP Program

#Question id: 1729

#XL - Q Biochemistry

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

#Question id: 1730

#XL - Q Biochemistry

What is the T-cell ligand binding B7 on a professional antigen-presenting cell?
TLS Online TPP Program

#Question id: 1731

#XL - Q Biochemistry

Which of the following statements is TRUE of Sos (Son of sevenless)?
TLS Online TPP Program

#Question id: 1732

#XL - Q Biochemistry

Protein tyrosine kinase activity following T-cell stimulation:
TLS Online TPP Program

#Question id: 1733

#XL - Q Biochemistry

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