The epidermal dendritic cells are able to play an important immune response role by their phagocytic activity
Indicate whether this statement is true or false.
TRUE
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If you were to cut a cross section of the retina and examine it under a microscope, what would be the order of features from the choroid to the posterior cavity?
a: Rods and cones b: Ganglionic axons progressing to the optic nerve c: Bipolar cells d: Ganglion cells' bodies e: Pigmented retina A. a, b, c, d, e B. e, a, c, d, b C. c, a, e, d, b D. d, e, a, b, c E. e, d, c, b, a
In positive selection of T-lymphocytes, those cells that
A. bind self antigens are eliminated. B. can bind MHC survive. C. bind to self antigens survive. D. bind to MHC class II are eliminated.
The fluids contributed by the seminiferous tubules and epididymis account for about how much of the volume of semen?
A) 75% B) 5% C) 50% D) 10% E) 25%
All axons in the PNS have a myelin sheath.
Answer the following statement true (T) or false (F)