A new pathogenic bacterium has been discovered - it is an intracellular parasite and can prevent MHC molecules from being properly made in infected cells. Which of the following cell types would be MOST effective at fighting this pathogen? a. CTL b. NK cell c. Dendritic cell d. B cell e. Basophil

NK cell

Explanation:

Natural Killer (NK) cells are a type of cytotoxic lymphocytes (i.e., white blood cells), and they are key in innate immune response. These cells are a special class of innate lymphoid cells (ILCs) which is able to protect against unknown pathogenic threats. ILCs originate from common lymphoid progenitors (like T and B cells). It has been shown that NK cells provide a quick immune response to new pathogens. In response to infection, NK cells release cytotoxic factors to lyse these infected cells.

when a reversible reaction is occurring in both directions at the same rate; the products and reactants do not change in concentration. a chemical reaction where the compound is broken into its constituent parts.

explanation:

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