The secondary response of the immune system to an infectious agent involves
A. fewer cells than the antigen challenge, as the response has become more specific.
B. more cells than the antigen challenge, due to the proliferation of memory cells.
C. amnesia of past exposures, so that a perfectly adapted response can be generated to the new pathogen.
B
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An enlarged prostate in a dog can be determined by ________________________________________ examination
Fill in the blank(s) with correct word
A urinary blockage can be caused by __________ or stones
Fill in the blank(s) with correct word
Which term describes the female external genitalia?
A) Vulva B) Uterine tube C) Vagina D) Ovary
The passive process that involves the movement of water through aquaporins is ________
A) facilitated diffusion B) endocytosis C) solute pumping D) osmosis