What cells display portions of the pathogens (antigens) they ingest on their plasma membranes?
A) basophils B) natural killer (NK) cells
C) antigen-presenting cells D) eosinophils
Answer: A
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Define herd check
What will be an ideal response?
The dartos and cremaster muscles are important to the integrity of the male reproductive system. Which of the following is true about the role they play?
A) They regulate the temperature of the testes. B) They contract to allow ejaculation. C) They contract to push sperm along the ductus deferens. D) They are responsible for penile erection.
__________ is a hereditary condition resulting from a deficiency of a clotting factor.
Fill in the blank(s) with the appropriate word(s).
An enhancement of the postsynaptic cell's response to a constant stimulus that lasts for a period of time from hours to weeks is called
A) long-term potentiation. B) synchronicity. C) consolidation. D) training. E) synaptic plasticity.