AB, A2 and B2 are diatomic molecules. If the bond enthalpies of A2, AB & B2 are in the ratio 1 : 1 : 0.5 and enthalpy of formation of AB from A2 and B2 is – 100 kJ/mol^–1. What is the bond enthalpy of A2.

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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:

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#Question id: 1736

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Lipopolysaccharide (LPS) from Gram-negative bacteria is:

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#Question id: 1737

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The carrier T-cell epitope on a thymus-dependent antigen:

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#Question id: 1738

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T-cell help for antibody production:

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#Question id: 1739

#XL - Q Biochemistry

Cross-linking of B-cell surface receptors: