Acertain cell type has existed in the blood and tissue of its vertebrate host's immune system for over twenty years. one day, it recognizes a newly arrived antigen and binds to it, subsequently triggering a secondary immune response in the body. which of the following cell types most accurately describes this cell?

The options are

A) thyroid cells

B) macrophage

C) memory cell

D) plasma cell

C) memory cell is the ANSWER

Explanation:

B lymphocytes is one of the important cells of the immune system. It's the building block for the memory cells which acts as a means of recognizing pathogens that have previously infected the body system in order to boost the production of antibodies against such pathogen for faster immune response in future infections

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.