The lymphocytes that recognize and kill abnormal cells
Ans: Natural Killer Cells
Biology & Microbiology
You might also like to view...
Describe the main structural characteristics of the four basic tissues.
(a) Epithelial tissue: (b) Connective tissue: (a) Muscle tissue: (b) Nervous tissue:
Biology & Microbiology
The nematocysts of cnidarians are produced within the:
a. cnidocytes. b. cnidocils. c. statocysts. d. mouths. e. pneumatocysts.
Biology & Microbiology
Which type of protist lives in the digestive tracts of termites and cockroaches playing a key role in cellulose digestion?
a. pathogenic plasmodia b. photosynthetic dinoflagellates c. anaerobic parabasalids d. enteric excavata
Biology & Microbiology
How many different amino acids are present in the human body to produce the infinite variety of enzymes and other necessary proteins?
A) 10 B) 20 C) millions D) an infinite variety
Biology & Microbiology