________ lacks the capacity to remember a pathogen or react differently to it in the future, whereas ________ utilizes memory cells to adapt to a given pathogen and ward it off more easily in the future
A) Adaptive immunity; specific immunity
B) Nonspecific resistance; adaptive immunity
C) Adaptive immunity; nonspecific resistance
D) A natural killer cell; a cytoxic T cell
E) Nonspecific resistance; cytotoxicity
B
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Select the correct statement about absorption
A) Eighty percent of ingested materials have been absorbed by the end of the large intestine. B) In the rare case that intact, whole proteins are transported across the mucosal endothelium, an immune response may be generated. C) Carbohydrates diffuse across the mucosal endothelium and are then actively transported into blood capillaries. D) Amino acid transport is linked to chloride transport.
____________________ refers to a state of collapse, usually manifested by fainting, resulting from reduced blood pressure brought about by overtaxing the heat-loss mechanisms
Fill in the blank(s) with correct word
In the process of ____________________-____________________, piglets are moved from one litter to another to balance litter size
Fill in the blank(s) with correct word
Gap junctions play an important role in transmission of impulses for heart contraction
Indicate whether the statement is true or false