Natural Killer cells are
a. neutrophils.
b. macrophages.
c. present outside of the lymphatic system only.
d. helper T cells.
e. detect and kill virus-infected body cells.
E
You might also like to view...
In which organ does the smooth ER inactivate drugs and harmful metabolic byproducts?
a. brain b. kidney c. liver d. heart e. spleen
A factory with an office that controls the information sent to separate rooms for each of the manufacturing and shipping processes would be analogous to
a. a virus. c. a prokaryotic cell without a nucleus. b. a prokaryotic cell with a nucleus. d. a eukaryotic cell with a nucleus.
What fraction of the genome contains genes that are essential for the survival of an organism, meaning that a homozygous null for them is lethal?
What will be an ideal response?
The products of photosynthesis are:
A) CO2 and sugar B) O2 and sugar. C) H2O and sugar. D) O2 and CO2