What is the role of complete cells found in the plasma in the immune response

An antigen triggers the immune system, specifically plasma cells, to produce antibodies against an antigen. Antibodies, or immunoglobulins, are special proteins that fight infection and defend the body against harmful foreign invaders. ... Normally, plasma cells make up about 2%–3% of the cells in bone marrow.

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not the best question format lol but what i think might as scale color is controlled by a single gene with two alleles, the green allele and the yellow allele. when moths that are homozygous for green scales are mated with moths that are homozygous for yellow scales, 100% of the offspring have green scales.

i think that it is c, d, and e, hope this