Which One of the Following Does Not Occur as Diatomic

question 131

Multiple Choice

Which one of the following does not occur as diatomic molecules in elemental form?

• A) sulfur
• B) oxygen
• C) nitrogen
• D) hydrogen
• E) bromine

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Definitions:

Memory B Cell

A type of B cell that remains after an initial immune response and can quickly respond to subsequent exposures to the same antigen.

Intracellular Antigens

Molecules located within cells that, when recognized as foreign by the immune system, can trigger an immune response.

Cell-Mediated Immunity

A type of immune reaction that is independent of antibodies, instead relying on the activation of phagocytes, antigen-specific cytotoxic T-lymphocytes, and the secretion of diverse cytokines when reacting to an antigen.

Antibody-Mediated Immunity

A type of adaptive immunity where B cells produce antibodies that target and neutralize foreign pathogens.