_____________ promotes recombination between specific sites on the plasmid if the same site occurs more than once in the molecule, as it would in a dimer or multimer.

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#Question id: 1730

#XL - Q Biochemistry

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

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#Question id: 1731

#XL - Q Biochemistry

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

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#Question id: 1732

#XL - Q Biochemistry

Protein tyrosine kinase activity following T-cell stimulation:

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#Question id: 1733

#XL - Q Biochemistry

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

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#Question id: 1734

#XL - Q Biochemistry

The nuclear AP-1 site responsible for 90% of IL-2 enhancer activity binds:

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#Question id: 1735

#XL - Q Biochemistry

In the immunological synapse: