________ are white blood cells that attack cancer cells
A) Microphages
B) Neutrophils
C) Macrophages
D) Natural killer cells
E) Mast cells
D
You might also like to view...
The growth rate of a given species of microorganism is dependent on the composition of the medium in which it is grown.
Answer the following statement true (T) or false (F)
A patient has a serious respiratory infection. A sputum sample yielded a bacterium that did not have any peptidoglycan. You hypothesize that the identity of this microbe could possibly be ________.
A. Mycobacterium tuberculosis B. Staphylococcus aureus C. Borrelia burgdorferi D. Mycoplasma pneumoniae E. Streptococcus pneumoniae
Mud is composed of:
a. dirt and water. b. iron and diatoms. c. clay and silt. d. calcareous and siliceous ooze. e. sand and clay.
What were the short-term responses of each population during the first 20 years following the removal of the prairie dogs? a. Prairie dogs remained absent, and the mesquite population level rose to dominate thecommunity landscape
b. Ferrets, hawks, forbs, and mice populations all reduced very quickly to zero or near zero. c. Grasses rose very quickly, but then began to fall. d. All of the above.