B cells, unlike the other 2 classes of lymphocytes, T cells and natural killer cells, express B cell receptors (BCRs) on their cell membrane. BCRs allow the B cell to bind a specific antigen, against which it will initiate an antibody response.
Full Definition of INFEST. transitive verb. 1. 2. : to live in or on as a parasite. â inÂ·fesÂ·tant \-Ëfes-tÉnt\ noun. â inÂ·fesÂ·taÂ·tion \Ëin-Ëfes-ËtÄ-shÉn\ noun. â inÂ·festÂ·er \in-Ëfes-tÉr\ noun. See infest defined for English-language learners.ull Definition of INFEST. transitive verb. 1. 2. : to live in or on as a parasite. â inÂ·fesÂ·tant \-Ëfes-tÉnt\ noun. â inÂ·fesÂ·taÂ·tion \Ëin-Ëfes-ËtÄ-shÉn\ noun. â inÂ·festÂ·er \in-Ëfes-tÉr\ noun. See infest defined for English-language learners.
Malevolent is a word that used to describe someone or something to be hostile and aggressive another meaning for malevolent is someone or something that wishes to do evil upon others, as killing, stealing, cheating, or doing blasphemous things all with intention.