Cytotoxic T cells, as well as NK cells, destroy a targeted cell by releasing __________ molecules, which penetrate the target cell's surface membrane and join to form pore-like channels
Fill in the blank(s) with correct word
perforin
You might also like to view...
Reddened skin reflects
A. inheriting extra melanin. B. eating too many carrots. C. constricted blood vessels with more blood entering the epidermis. D. dilated blood vessels with more blood entering the dermis.
Both thrombocytes and platelets are living cells but they are found in different organisms
Indicate whether the statement is true or false
Which of the following statements concerning the uterine tube is true?
A. Fimbria are associated with the lining of the tube. B. The opening of the uterine tube is the mesosalpinx. C. The portion of the uterine tube closest to the uterus is the infundibulum. D. The outer layer of the tube is formed by the ampulla. E. The oocyte is moved along the tube by peristaltic contractions of the muscular layer.
The motor division is also called the ________ system; the sensory division is also called the ________ system.
A. afferent; efferent B. efferent; afferent