Where do T cells become immunocompetent?
A. Spleen
B. Bone marrow
C. Yolk sac
D. Lymph nodes
E. Thymus
E. Thymus
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Endocrine disrupting compounds
a. may often mimic the effects of estrogen. b. are human made substances c. can be passed from one generation to the next. d. only two of these. e. all of these..
Fertilization is complete when which of the follow occurs?
A) oocyte activation B) pronucleus formation C) spindle formation D) amphimixis and cleavage E) formation of blastomeres
What is the only way to avoid making any selection mistakes?
A. hire all job applicants B. use extremely low selection ratios C. use very expensive tests D. use tests with perfect validity
Select the correct statement about blood flow.
A) It is relatively constant through all body organs. B) It is measured in mm Hg. C) It is greatest where resistance is highest. D) Blood flow through the entire vascular system is equivalent to cardiac output.