What's Included. 1  Official IAPP CIPP participant guide. 2  Official IAPP CIPP textbook. 3  Official IAPP CIPP practice test. 4  IAPP CIPP/G certification exam voucher. 5  IAPP Membership for one year.
Natural killer cells (NK cells) are a component of the innate immune system that does not directly attack invading microbes. Rather, NK cells destroy compromised host cells, such as tumor cells or virus-infected cells, recognizing such cells by a condition known as missing self..
Rather, their surfaces. contain specialized antibody-like receptors. that see fragments of antigens on the. surfaces of infected or cancerous cells. T cells contribute to immune defenses in. two major ways: some direct and regulate. immune responses; others directly attack. infected or cancerous cells.