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

typically, most spiders possess eight eyes. however, others have as many as 12, and some don't have any. these eyes are for detecting light from dark, deciphering shapes and for gathering their prey.

a. seed plant structure. 1. the three main plant organs are roots, stems, and leaves. a fourth kind of tissue, meristematic tissue, is responsible for plant growth. meristematic tissue is the only plant tissue that produces new cells by mitosis. plants can lose water out of their leaves as they exchange gases with the air

explanation: