Genetic engineering was a major factor in the development of which Of the following? A. High-strength metals
B. Miniature electronics
C. Synthetic fabrics
D. Disease-resistant crops

Which of the following are not matched correctly? cd8+: directly destroy infected or cancerous cells t reg cell: reduce the adaptive response once threat passes t l: activate cellular branch (cytotoxic t cells, macrophages, nk cells) t 2: stimulate b cells to make antibodies t (cd4+): mhc i