Phagocytic cells that digest a pathogen, then insert a bit of pathogenic antigen on their cell membrane, are described as being _____ cells.
A. natural killer
B. helper T
C. antigen-presenting
D. memory
Answer: C. antigen-presenting
You might also like to view...
Bile:
a. has no effect on digestion b. helps in the digestion of fats c. helps in the digestion of carbohydrates d. helps in the digestion of proteins e. lowers the pH in the intestine
Crossing over takes place during:
A) middle prophase I of meiosis only. B) early prophase I of meiosis only. C) both prophase I and prophase II of meiosis. D) anaphaseI of meiosis. E) interphase.
Monosaccharides and amino acids absorbed from the gut enter _____
a. blood vessels c. fat droplets b. lymph vessels d. both lymph vessels and fat droplets
Four of the five choices below support the concept of
evolution. Select the exception. a. biogeography b. fossils c. comparative anatomy d. natural selection e. catastrophism